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2017

19609451Multi-rate system for audio processing
29609450Method and system for monitoring speaker temperature for speaker protection
39609447Audio jack insertion/removal fault detection
49609432Microphone with automatic bias control
59609431Interested audio source cancellation method and voice recognition method and voice recognition apparatus thereof
69609430Temperature measurement apparatus and protection apparatus for sound signal converting device
79609429Microphone
89609428Method and device for automatically identifying microphone pin and ground pin of audio interface and electronic signature token
99609427User terminal apparatus, electronic device, and method for controlling the same
109609424Method and device for personalized hearing
119609410Processing circuit for a multiple sensing structure digital microelectromechanical sensor having a broad dynamic range and sensor comprising the processing circuit
129609409Use of an earpiece acoustic opening as a microphone port for beamforming applications
139609408Directional control of a vehicle microphone
149608849Method, system and apparatus for audio communication modulation mode self-adaptation and electronic signature token
159607628Audio system
169606952System with speaker, transceiver and related devices
179602930Dual diaphragm microphone
189602924Microphone with programmable frequency response
199602923Estimating a room impulse response
209602922Adaptive echo cancellation
219602921Independently charge pumps for differential microphone
229602920Method and apparatus for ultra-low power switching microphone
239602919Electronic device with wireless power control system
249602918Stream caching for audio mixers
259602916Signal processing device, signal processing method, measurement method, and measurement device
269602053Audio FM transmitter
279601133Vector noise cancellation
289601132Method and apparatus for managing audio signals
299601119Systems and methods for segmenting and/or classifying an audio signal from transformed audio information
309601102Ambient noise cancellation for voice communication device
319596554Methods circuits devices systems and associated computer executable code for acquiring acoustic signals
329596553Apparatus and method for performing an audio measurement sweep
339596549Audio system and method of operation therefor
349596540Active noise reduction device and active noise reduction method
359596539Wireless sound-emitting device and system for remotely controlling a sound-emitting device
369596538Wearable audio mixing
379596537Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement
389596533Unidirectional close-talking microphone and microphone cap
399596529Parametric transducer with adaptive carrier amplitude
409596437Audio focusing via multiple microphones
419596391Gaze based directional microphone
429595402Single knob controller
439595248Remotely operable bypass loop device and system
449595201Wireless mobile training device and method of training a user utilizing the wireless mobile training device
459591423Nonlinear power supply ramping for pop-click noise reduction
469591422Method and apparatus for audio interference estimation
479591411Self-calibration of multi-microphone noise reduction system for hearing assistance devices using an auxiliary device
489591410Hearing assistance apparatus
499591404Beamformer design using constrained convex optimization in three-dimensional space
509591403Instability detection and correction in sinusoidal active noise reduction systems
519591402Transmit audio in a target space
529591394Headphones, audio device, audio system and method for transmitting signals
539590571Single stage buffer with filter
549590499Drive circuit and method
559589573Wind noise reduction
569589478Natural orientation induction tool apparatus and method
579584939Arrangement and method for measuring the direct sound radiated by acoustical sources
589584926Implantable microphone
599584918Dynamic volume control and multi-spatial processing protection
609584910Sound gathering system
619584909Distributed beamforming based on message passing
629584908Signal processing device and signal processing method
639584907Transmission of a wind-reduced signal with reduced latency time
649584906Mixing device, mixing signal processing device, mixing program and mixing method
659584905Audio signal mixing
669583089Buzzer output control device and buzzer output control method
679578432Metric and tool to evaluate secondary path design in adaptive noise cancellation systems
689578431Audio output apparatus capable of controlling temperature of voice coil and method thereof
699578424Frequency modulated microphone system
709578419Method and apparatus for estimating spatial content of soundfield at desired location
719578417Systems and methods for detection of load impedance of a transducer device coupled to an audio device
729578416Control of a loudspeaker output
739578415Hybrid adaptive noise cancellation system with filtered error microphone signal
749578414Active noise-reduction apparatus
759578413Audio processing system and audio processing method
769578407Multi-mode audio device and monitoring system
779577579Methods and circuits to reduce pop noise in an audio device
789571932Electronic device
799571931Systems and methods for reducing non-linearities of a microphone signal
809571930Audio data detection with a computing device
819571929Sound accessory device and operating method thereof
829571928Wireless sound equipment
839571927Digital/analogue conversion
849571926High-efficiency low-voltage-power-supply high-power-output audio driver architecture
859571925Systems and methods of reducing acoustic noise
869571922Apparatus and method for controlling beamforming microphone considering location of driver seat
879571913Smart flexible interactive earplug
889571807Audio signal level estimation in cameras
899571046Amplifier circuit for a two-wire interface
909570087Single channel suppression of interfering sources
919570062Method and device for self-adaptively eliminating noises
929565506Interface for expanding the dynamic interval of an input signal of an acoustic transducer
939565505Loudspeaker cone excursion estimation using reference signal
949565497Enhancing audio using a mobile device
959565495Contactless audio adapter, and methods
969565494Acoustic processing device
979565491Real-time audio processing of ambient sound
989565284Systems and methods for automatically connecting a user of a hands-free intercommunication system
999564982Audio control console
1009564144System and method for multichannel on-line unsupervised bayesian spectral filtering of real-world acoustic noise
1019561449LED lighting device and wireless speaker
1029560463Multistage minimum variance distortionless response beamformer
1039560455Offset calibration in a multiple membrane microphone
1049560448System and method for directionally radiating sound
1059560446Sound source locator with distributed microphone array
1069560445Enhanced spatial impression for home audio
1079560444Kinetic event detection in microphones
1089560441Determining speaker direction using a spherical microphone array
1099560440Apparatus and method for detecting location of moving body, lighting apparatus, air conditioning apparatus, security apparatus, and parking lot management apparatus
1109560431Digital audio beverage holder
1119559656System for adjusting loudness of audio signals in real time
1129559647Amplifier circuit
1139559645Switched amplifier for a variable supply voltage
1149558758User feedback on microphone placement
1159558730Audio signal processing system
11695574003D soundscaping
1179554214Signal processing platform in an acoustic capture device
1189554210Multichannel acoustic echo cancellation with unique individual channel estimations
1199554209Microphone preamplifier circuit
1209554207Offset cartridge microphones
1219554203Sound source characterization apparatuses, methods and systems
1229554091Identifying conference participants and active talkers at a video conference endpoint using user devices
1239553554Signal processing device
1249552840Three-dimensional sound capturing and reproducing with multi-microphones
1259552803Communication method, communication system, and magnetic resonance apparatus
1269549271Device and method for tracking sound source location by removing wind noise
1279549256Speaker protection for surround sound systems
1289549255Sound pickup apparatus and method for picking up sound
1299549254Method and system of acoustic signal mixing
1309549253Sound source localization and isolation apparatuses, methods and systems
1319549252Microphone apparatus and method for removing unwanted sounds
1329549251Distributed automatic level control for a microphone array
1339549250Wind noise detection for in-car communication systems with multiple acoustic zones
1349549249Headphone for active noise suppression
1359549248Method and apparatus for reducing crosstalk in an integrated headset
1369549247Audio mixing system
1379549245Speakerphone and/or microphone arrays and methods and systems of using the same
1389549244Directivity control system, directivity control method, sound collection system and sound collection control method
1399549241Earphone and a method for making an earphone to achieve automatic identification and switch control
1409549235User interface apparatus using speaker and method thereof
1419548655Differential dynamic charge pump circuit
1429548064Noise estimation apparatus of obtaining suitable estimated value about sub-band noise power and noise estimating method
1439544694Piezoelectric element, piezoelectric vibration module, and methods of manufacturing the same
1449544688Low cross-talk headset
1459544687Audio distortion compensation method and acoustic channel estimation method for use with same
1469544686Solid state relay circuit arrangement for audio signals and switching system
14795446855 GHz wireless stereo sound system
1489544684Sound determination unit based on mean amplitudes of partial sound segments
1499544683Wirelessly powered audio devices
1509544682Apparatus, method and article for providing audio of different programs
1519544674Microphone holder
1529542933Microphone circuit assembly and system with speech recognition
1539542924Apparatus, system and method for noise cancellation and communication for incubators and related devices
1549542816Wearable alert device having selectable alert volume and method of operating same
1559538303System and method for adapting a loudspeaker signal
1569538301Device comprising a plurality of audio sensors and a method of operating the same
1579538289Control parameter dependent audio signal processing
1589538287DC voltage error protection circuit
1599538286Spatial adaptation in multi-microphone sound capture
1609538285Real-time microphone array with robust beamformer and postfilter for speech enhancement and method of operation thereof
1619538284Audio system for audio streaming and associated method
1629538283Ear microphone
1639538274Smart microphone with voice control functions
1649538271Electronic apparatus having microphone
1659536515Headphone device
1669536510Sound system including an engine sound synthesizer
1679532897Devices that train voice patterns and methods thereof

2016

1689532157Audio processing for mono signals
1699532154Method and apparatus for customizing audio signal processing for a user
1709532143Low frequency equalization for loudspeaker system
1719532142Embedded speaker protection for automotive audio power amplifier
1729532141Protection apparatus for sound signal converting device
1739532140Listen to people you recognize
1749532139Dual-microphone frequency amplitude response self-calibration
1759532138Systems and methods for suppressing audio noise in a communication system
1769532137Method and device for matching with audio interface of mobile terminal, and electronic signature token
1779532136Semantic audio track mixer
1789532131System and method of improving voice quality in a wireless headset with untethered earbuds of a mobile device
1799532129Earphone line control device and earphone
1809532125Noise cancellation microphones with shared back volume
1819531884Stereo echo suppressing device, echo suppressing device, stereo echo suppressing method, and non-transitory computer-readable recording medium storing stereo echo suppressing program
1829530429Reverberation suppression apparatus used for auditory device
1839530407Spatial audio database based noise discrimination
1849530406Apparatus and method for recognizing voice
1859529906Low-latency audio networking
1869526810Systems, devices, components and methods for improved acoustic coupling between a bone conduction hearing device and a patient's head or skull
1879525945Loudspeaker protection systems and methods
1889525939Overheat protector and protection methodology for electrodynamic loudspeakers
1899525938User voice location estimation for adjusting portable device beamforming settings
1909525937Circuit for suppressing audio output noise and audio output circuit
1919525936Wireless earbud communications using magnetic induction
1929525935Audio processing during low-power operation
1939525926Acoustic sensor apparatus and acoustic camera for using MEMS microphone array
1949525925Sensor with movable part and biasing
1959521502Method for determining a stereo signal
1969521492Condenser microphone
1979521486Frequency based beamforming
1989521485Voltage supply circuit included in terminal equipment
1999521484Multi-beam sound system
2009521482Sound receiving device
2019520843Power amplifiers coupled in series
2029517048Ultrasound endoscope
2039516444Wireless control and calibration of audio system
2049516443Non-linear control of loudspeakers
2059516418Sound field spatial stabilizer
2069516417Boundary binaural microphone array
2079516415Double backplate MEMS microphone with a single-ended amplifier input port
2089516412Directivity control apparatus, directivity control method, storage medium and directivity control system
2099516411Signal-separation system using a directional microphone array and method for providing same
2109516410Asynchronous clock frequency domain acoustic echo canceller
2119516409Echo cancellation and control for microphone beam patterns
2129516408Method and apparatus for wind noise detection
2139516407Active noise control with compensation for error sensing at the eardrum
2149516399Wireless microphone system and transmission power control method
2159516398Method and system of extending battery life of a wireless microphone unit
2169516241Beamforming method and apparatus for sound signal
2179513727Touch input surface microphone
2189510121Transducer and method of controlling the same
2199510119Method and device for detecting function of loudspeaker module
2209510114Audio processing pipeline for auditory prosthesis having a common, and two or more stimulator-specific, frequency-analysis stages
2219510101Direct measurement of an input signal to a loudspeaker to determine and limit a temperature of a voice coil of the loudspeaker
2229510096Noise energy controlling in noise reduction system with two microphones
2239510095Sound emitting and collecting apparatus, sound source separating unit and computer-readable medium having sound source separation program
2249510094Noise estimation in a mobile device using an external acoustic microphone signal
2259510093Device and method for hum signal compensation in analog telephony signals
2269510092Method and apparatus for processing a switched audio signal from a crosspoint router
2279510090Device and method for capturing and processing voice
2289509959Electronic device and control method thereof
2299509854Echo cancellation
2309503822Electroacoustic transducer
2319503818Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field
2329503815Perceptual echo gate approach and design for improved echo control to support higher audio and conversational quality
2339503814Differential outputs in multiple motor MEMS devices
2349503813System and method for dynamic residual noise shaping
2359503812Systems and methods for split echo cancellation
2369503811Digital microphone and position-to-frequency converter
2379503810Arrangement for mixing at least two audio signals
2389503809Beam-forming device
2399503800Glass-type terminal and method of controlling the same
2409503799Handheld microphone with a notch filter and a high pass filter
2419503783Methods and apparatus to detect spillover in an audience monitoring system
2429502050Noise dependent signal processing for in-car communication systems with multiple acoustic zones
2439502048Adaptively reducing noise to limit speech distortion
2449502019Elimination of 3D parasitic effects on microphone power supply rejection
2459501472System and method for dual screen language translation
2469497544Systems and methods for surround sound echo reduction
2479497543Sound signal processing apparatus
2489497542Signal processing system and signal processing method
2499497541Audio system for audio streaming and associated method
2509497540System and method for reducing rub and buzz distortion
2519497539Variable directional microphone
2529497536Electronic device
2539497528Cotalker nulling based on multi super directional beamformer
2549497526Speaker apparatus and methods useful in conjunction therewith
2559496611System and method for coherent processing of signals of a plurality of phased arrays
2569495975Systems and methods for source signal separation
2579495953Dynamic engine harmonic enhancement sound stage
2589495591Object recognition using multi-modal matching scheme
2599491557Connector mating assurance system and method
2609491546Electronic device and audio-data transmission method
2619491545Methods and devices for reverberation suppression
2629491544Frequency domain noise cancellation with a desired null based acoustic devices, systems, and methods
2639491543Method and device for improving audio signal quality in a voice communication system
2649491542Automatic sound pass-through method and system for earphones
2659491541Signal processing for eliminating speaker and enclosure buzz
2669491540Electret condenser microphone
2679491539MEMS apparatus disposed on assembly lid
2689491538Adaptive gain control for digital audio samples in a media stream
2699491537Noise reducing sound reproduction system
2709491536Headphone driver, loudspeaker, and method of manufacturing headphone driver or loudspeaker
2719490765Microphone biasing circuitry and method thereof
2729489948Sound source localization using multiple microphone arrays
2739485587Speaker device assembly with recoil vibration attenuating counter balance
2749485580Headset with microphone and wired remote control
2759485576Control of a loudspeaker output
2769485575Pre-filtering for loudspeakers protection
2779485574Spatial interference suppression using dual-microphone arrays
2789485573Wireless communication system for use by teams
2799485572Sound processing device, sound processing method, and program
2809485571Microphone manufacturing method, microphone, and control method
2819485570Article and method for muting a voice amplifier
2829485569Sound signal processing apparatus, microphone apparatus, sound signal processing method, and program
2839485568Power management controller for drivers
2849484042Speech enhancing method, device for communication earphone and noise reducing communication earphone
2859484030Audio triggered commands
2869479885Methods and apparatuses for performing null steering of adaptive microphone array
2879479869Systems and methods for detection of load impedance of a transducer device coupled to an audio device
2889479868Systems and methods for detection of load impedance of a transducer device coupled to an audio device
2899479867Method and circuitry for direction of arrival estimation using microphone array with a sharp null
2909479866Microphone array with daisy-chain summation
2919479865Transducer amplification circuit
2929479864Effect applying apparatus and effect applying method
2939479863Combo-jack detecting circuit
2949479856Ergonomic earpiece
2959478997Electronic device charging via an audio jack
2969478234Microphone apparatus and method with catch-up buffer
2979478229Methods and apparatus for recording impulsive sounds
2989478212Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device
2999478209Tunable active noise control
3009473868Microphone adjustment based on distance between user and microphone
3019473867Notification control device, notification control method and storage medium
3029473863System and method for improving audio capture quality in a living room type environment
3039473851Speaker protection circuit with improved accuracy
3049473850Voice signals improvements in compressed wireless communications systems
3059473845Active noise cancelling ear phone system
3069473842Earset
3079473841Acoustic source separation
3089473093Method and apparatus for ultrasonic triggered audio reduction
3099472180Headset and a method for audio signal processing
3109467786Portable terminal, hearing aid, and method of indicating positions of sound sources in the portable terminal
3119467779Microphone partial occlusion detector
3129467778Beamforming a digital microphone array on a common platform
3139467777Interface for a digital microphone array
3149467776Monitoring of speaker impedance to detect pressure applied between mobile device and ear
3159467775Method and a system for noise suppressing an audio signal
3169467774System and method for a PCM interface for a capacitive signal source
3179467770Handset or headset
3189466311Audio signal processing circuit and electronic device using the same
3199462395Biasing circuit for a MEMS acoustic transducer with reduced start-up time
3209462382Audio system
3219462381Intelligent dynamics processing
3229462380Microphone array system and a method for sound acquisition
3239462379Method and apparatus for detecting and controlling the orientation of a virtual microphone
3249462378Apparatus and method for deriving a directional information and computer program product
3259462377Systems and methods for optimizing an audio communication system
3269462376Systems and methods for hybrid adaptive noise cancellation
3279462375Feedback delay reduction in force feedback devices
3289462370Muting device
3299462100Method and earpiece for visual operational status indication
3309461605Electronic device
3319461601Multichannel digital audio interface
3329460727Audio encoder for wind and microphone noise reduction in a microphone array system
3339460720Powering-up AFE and microcontroller after comparing analog and truncated sounds
3349456289Converting multi-microphone captured signals to shifted signals useful for binaural signal processing and use thereof
3359456284Dual-element MEMS microphone for mechanical vibration noise cancellation
3369456280Electromagnetic transducer
3379456276Parameter selection for audio beamforming
3389456275Cardioid beam with a desired null based acoustic devices, systems, and methods
3399456274Digital electronic interface circuit for an acoustic transducer, and corresponding acoustic transducer system
3409456273Audio mixing method, apparatus and system
3419456272Button-press detection and filtering
3429456271Method and apparatus for outputting audio signal
3439456268Method and device for background mitigation
3449456267Noise reduction apparatus and method, and program
3459455671System and method for capacitive signal source amplifier
3469451379Sound field analysis system
3479451362Adaptive beam forming devices, methods, and systems
3489451361Apparatus, method and system of communicating acoustic information of a distributed microphone array between mobile devices
3499451360Muting a sound source with an array of microphones
3509451359Preamplifier for a microphone
3519451358System and method for adjusting microphone functionality
3529449594Adaptive phase difference based noise reduction for automatic speech recognition (ASR)
3539446559Speaker terminals
3549445208Emission of a commencement sound and a conclusion sound
3559445203Signal processor for a hearing device and method for operating a hearing device
3569445198Polyhedral audio system based on at least second-order eigenbeams
3579445196Inter-channel coherence reduction for stereophonic and multichannel acoustic echo cancellation
3589445195Directivity control method and device
3599445194Sound source separating apparatus, sound source separating program, sound pickup apparatus, and sound pickup program
3609445193Electronic device directional audio capture
3619445192Active-noise-reduction device, and active-noise-reduction system, mobile device and active-noise-reduction method which use same
3629445191Method of adjusting an active noise cancelling system
3639445190Masking open space noise using sound and corresponding visual
3649445189Noise suppressing apparatus and noise suppressing method
3659445188Condenser microphone
3669445187Method and an apparatus for processing an audio signal
3679445183Sound system with ear device with improved fit and sound
3689445173System and method for a transducer system with wakeup detection
3699445170Speaker apparatus and methods useful in conjunction therewith
3709445168Electronic device and direction switching method of the electronic device
3719444488Signal modulation circuit
3729443535Systems and methods for source signal separation
3739443532Noise reduction using direction-of-arrival information
3749443502Method for reducing parasitic vibrations of a loudspeaker environment and associated processing device
3759439020Audio signal processing unit and audio transmission system, in particular a microphone system
3769439019Sound signal processing method and apparatus
3779439016Information display method, information display device, and display apparatus
3789438993Methods and devices to generate multiple-channel audio recordings
3799438992Multi-microphone robust noise suppression
3809438991Sound feedback system for vehicles
3819438985System and method of detecting a user's voice activity using an accelerometer
3829438976Multifunctional wireless LED device and a multifunctional wireless speaker system
3839437181Off-axis audio suppression in an automobile cabin
3849437180Adaptive noise reduction using level cues
3859436259Electronic device and control method
3869435873Sound source localization using phase spectrum
3879432789Sound separation device and sound separation method
3889432787Systems and methods for determining the condition of multiple microphones
3899432776Condenser microphone
3909432775Energy conversion apparatus
3919432771Systems and methods for protecting a speaker from overexcursion
3929432770Method and device for localizing sound sources placed within a sound environment comprising ambient noise
3939432769Method and system for beam selection in microphone array beamformers
3949432768Beam forming for a wearable computer
3959432767Headphone with microphones that processes external sound pickup by the microphones and inputs external source sound signal
3969432766Audio processing device comprising artifact reduction
3979432765Condenser microphone
3989432762Back cavity microphone implementation
3999432761Signal processor
4009432758Electronic coaster
4019432756Feedback enclosure and feedback system for a transducer of an electronic device
4029432555System and method for AV sync correction by remote sensing
4039431013Co-talker nulling for automatic speech recognition systems
4049430185Loudness level control for audio reception and decoding equipment
4059426570Audio processing device and method
4069426568Apparatus and method for enhancing an audio output from a target source
4079426567Electronic device for microphone operation
4089426566Apparatus and method for suppressing noise from voice signal by adaptively updating Wiener filter coefficient by means of coherence
4099426564Audio processing device, method and program
4109426563MEMS speaker device with an electronic test circuit
4119426562Passive group delay beam forming
4129426561Microphone arrangement with improved directional characteristic
4139426553Microphone array arrangement structure in vehicle cabin
4149426548Loudspeaker having a passive radiator
4159426300Matching reverberation in teleconferencing environments
4169425757Apparatus and method for controlling an amplification gain of an amplifier, and a digitizer circuit and microphone assembly
4179425708Apparatus and methods for individual addressing and noise reduction in actuator arrays
4189424860Mixer with adaptive post-filtering
4199424859System to control audio effect parameters of vocal signals
4209420380Acoustic transducer
4219420376Microphone
4229420372Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field
4239420371User device having plurality of microphones and operating method thereof
4249420370Audio processing device and audio processing method
4259420369Processing method for earphone and user equipment
4269420115Method using array microphone to cancel echo
4279419575Audio settings based on environment
4289418678Sound processing device, sound processing method, and program
4299418676Audio signal processor, method, and program for suppressing noise components from input audio signals
4309417837Multiple input and passenger engagement configuration to influence dynamic generated audio application
4319415308Daisy chaining of tournament audio controllers
4329414175Microphone test procedure
4339414174Method and apparatus for controlling audio output
4349414167User adornable apparatus and system for generating user detectable audio and mechanical vibration signals
4359414165Acoustic sensor resonant peak reduction
4369414163Amplifier capable of controlling cut-off frequency in real time and amplification method for controlling cut-off frequency in real time
4379414161Method, system and apparatus for loudspeaker excursion domain processing
4389414160Method, system and apparatus for loudspeaker excursion domain processing
4399414159Beamforming pre-processing for speaker localization
4409414158Single-channel, binaural and multi-channel dereverberation
4419414157Method and device for reducing voice reverberation based on double microphones
4429414156Reducing resonance
4439414150Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device
4449414139Acoustic transducer
4459413317System and method for high input capacitive signal amplifier
4469412375Methods and apparatuses for representing a sound field in a physical space
4479412354Method and apparatus to use beams at one end-point to support multi-channel linear echo control at another end-point
4489408018Dual wireless mode speaker and control method thereof
4499408009Combined microphone seal and air pressure relief valve that maintains a water tight seal
4509408006Systems and methods for facilitating electroacoustic stimulation using an off-the-ear sound processor module
4519408005Hearing aid with adaptive antenna system
4529407996Wide dynamic range microphone
4539407994Direct drive micro hearing device
4549407992Estimation of reverberation decay related applications
4559407991Systems and methods for using a speaker as a microphone in a mobile device
4569407990Apparatus for gain calibration of a microphone array and method thereof
4579407989Closed audio circuit
4589407988Method and apparatus for audio processing
4599407987Audio interface self-adaptation device
4609407986Simultaneous wired and wireless connection for demonstration product
4619407985Microphone actuator
4629407256Reducing a disturbance on a signal path of a semiconductor switch
4639406313Adaptive microphone sampling rate techniques
4649406293Apparatuses and methods to detect and obtain desired audio
4659405502Electronic device and method for adjusting volume setting therefrom
4669405439Audio signal controller
4679402132Limiting active noise cancellation output
4689402131Push-pull microphone buffer
4699402130Wind noise reducing circuit
4709402129Audio control method and audio player using audio control method
4719402128Adaptive rail power amplifier technology
4729402117Wearable directional microphone array apparatus and system
4739402094Display apparatus and control method thereof, based on voice commands
4749401158Microphone signal fusion
4759401058Zone based presence determination via voiceprint location awareness
4769398421Preventing access to functions on a mobile device in response to an external OS-level command
4779398392Audio calibration and adjustment
4789398379Method of controlling a directional characteristic, and hearing system
4799398374Systems and methods for nonlinear echo cancellation
4809398373Direct selection of audio source
4819398372Operation device, reproduction system, operation method of operation device and program
4829398371Analog signal transfer system, variable compressor, and variable expander
4839396731Sound acquisition via the extraction of geometrical information from direction of arrival estimates
4849396717Systems and methods for reducing unwanted sounds in signals received from an arrangement of microphones
4859392379Output phase modulation entrainment containment for digital filters
4869392376Microphone on printed circuit board (PCB)
4879392368Dynamic positional audio
4889392365Psychoacoustic hearing and masking thresholds-based noise compensator system
4899392364Virtual microphone for adaptive noise cancellation in personal audio devices
4909392363Audio scene mapping apparatus
4919392362Microphone disruption apparatus and method
4929392361Microphone assembly
4939392360Steerable sensor array system with video input
4949392353Headset interview mode
4959391569Multi-stage switched-capacitor DC blocking circuit for audio frontend
4969391541Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
4979390724Voice controlled assistant with coaxial speaker and microphone arrangement
4989390723Efficient dereverberation in networked audio systems
4999386387Audio measurement amplifier
5009386382Hearing aid compatible mobile electronic device
5019386374Apparatus and method for keeping output loudness and quality of sound among different equalizer modes
5029386372Embedded speaker protection for automotive audio power amplifier
5039386371Psychoacoustic adaptive notch filtering
5049386370Slew rate control apparatus for digital microphones
5059386369Audio signal processing apparatus and method of controlling the same
5069386368Remote speaker microphone
5079386133Voice control module for mobile instruments
5089385779Acoustic echo control for automated speaker tracking systems
5099385676System and method for dynamically mixing audio signals
5109385593Suspend mode in charge pump
5119384753Sound outputting apparatus and method of controlling the same
5129384447Passive tracking of underwater acoustic sources with sparse innovations
5139380398Sound processing apparatus, method, and program
5149380393Capacitance sensor, acoustic sensor, and microphone
5159380384Systems and methods for providing a wideband frequency response
5169380382Methods and systems for active sound attenuation in a fan unit
5179380381Microphone package and method for providing a microphone package
5189380380Acoustic transducer and interface circuit
5199380365Acoustic generator, acoustic generation device, and electronic device
5209380262Mobile terminal and method for operating same
5219379681Rectifier circuit for monitoring DC offset of a single-supply audio power amplifier
5229374651Sensitivity calibration method and audio device
5239374638Method of performing an RECD measurement using a hearing assistance device
5249374634System for controlling displacement of a loudspeaker
5259374057Electronic device and method for controlling electronic device
5269374052Voice coil protection using damping
5279369811Condenser microphone
5289369800Intrinsically safe audio circuit for a portable two-way radio
5299369799Ambient noise cancellation for voice communication device
5309369798Internal dynamic range control in an adaptive noise cancellation (ANC) system
5319369797Display apparatus, display system, and control method thereof
5329369787Shielded audio apparatus
5339368117Device and system having smart directional conferencing
5349368098Parametric emitter system with noise cancelation
5359365158Engine sound enhancement based on vehicle selected mode
5369363620System for controlling audio frequencies of electronic appliances and a method of the same
5379363608Acoustic transducer
5389363600Method and apparatus for improved residual echo suppression and flexible tradeoffs in near-end distortion and echo reduction
5399363599Systems and methods for protecting a speaker
5409363598Adaptive microphone array compensation
5419363597Distance-based audio processing for parametric speaker system
5429363596System and method of mixing accelerometer and microphone signals to improve voice quality in a mobile device
5439363595Microphone unit, and sound input device provided with same
5449362954Digital communications channel
5459361902Earhole-wearable sound collection device, signal processing device, and sound collection method
5469360546Systems, methods, and apparatus for indicating direction of arrival
5479357321Signal processing based on audio context
5489357319Elastic body of audio accessory, audio accessory and electronic device supporting the same
5499357307Multi-channel wind noise suppression system and method
5509357303Speaker apparatus
5519357300Systems and methods for protecting a speaker
5529357299Active protection for acoustic device
5539357298Sound signal processing apparatus, sound signal processing method, and program
5549357297Audio signal adapter device and system for transmitting audio signal
5559357296Switchable attenuation circuit for MEMS microphone systems
5569357295System and method for a transducer interface
5579357294Microphone arrangement
5589357293Methods and systems for Doppler recognition aided method (DREAM) for source localization and separation
5599356658Method and apparatus for controlling and powering an electronic accessory from a mobile digital device
5609355648Voice input/output device, method and programme for preventing howling
5619354295Systems, methods, and apparatus for estimating direction of arrival
5629351093Multichannel sound source identification and location
5639351091Apparatus with adaptive microphone configuration based on surface proximity, surface type and motion
5649351071Audio source position estimation
5659351070Positional disambiguation in spatial audio
5669351069Methods and apparatuses for audio mixing
5679351068Obstructed port audio signal alteration
5689351059Orthogonal open back speaker system
5699350378Signal modulation circuit
5709349282Proximity sensing device control architecture and data communication protocol
5719344823Pipe calibration device for calibration of omnidirectional microphones
5729344821Dynamically providing to a person feedback pertaining to utterances spoken or sung by the person
5739344810Condenser microphone
5749344804Miniature moving-coil speaker
5759344796Active reduction of harmonic noise from multiple noise sources
5769344795Active vibration noise suppression apparatus
5779344790Audio signal receiving device, audio signal adapter device and system for transmitting audio signal
5789344789Digital microphone interface supporting multiple microphones
5799343079Receiver intelligibility enhancement system
5809338605Driver identification and data collection systems for use with mobile communication devices in vehicles
5819338575Image steered microphone array
5829338571Method for determining a direction of at least one sound source from an array of microphones
5839338562Listening system with an improved feedback cancellation system, a method and use
5849338557Acoustic generator, acoustic generation device, and electronic device
5859338551Multi-microphone source tracking and noise suppression
5869338550Microphone, a microphone arrangement and a method for processing signals in a microphone
5879338549Acoustic localization of a speaker
5889338548Mobile device and corresponding noise-canceling earphone
5899338547Method for denoising an acoustic signal for a multi-microphone audio device operating in a noisy environment
5909338546Circuit assembly for processing an input signal, microphone assembly and method for following an input signal
5919338544Determination, display, and adjustment of best sound source placement region relative to microphone
5929338301Digital linking of multiple microphone systems
5939337880Method and apparatus for overriding a PTT switch to activate a microphone
5949337794Array microphone device and gain control method
5959337722Fast power-up bias voltage circuit
5969336793Controller for audio device and associated operation method
5979332749Audio trapping lure
5989332369System and method for automatic calibration of a transducer
5999332366Loudspeaker noise inspection method, loudspeaker noise inspection device and recording medium for recording a loudspeaker noise inspection program
6009332364Method and device for personalized hearing
6019332347Control of a loudspeaker output
6029332346Processing of multi-device audio capture
6039332345Use of microphone capacitance as a switched capacitor in an input network of a delta-sigma modulator
6049332344Self-bias emitter circuit
6059332343Multi-channel audio system having a shared current sense element for estimating individual speaker impedances using test signals
6069332342Microphone amplifier circuit
6079332341Audio signal processing system and recording method
6089332331Data processing method and an electronic apparatus
6099332211Mobile terminal and audio zooming method thereof
6109332103User protection in a multimode personal communication device
6119331656Audio systems and methods employing an array of transducers optimized for particular sound frequencies
6129330653Noise reduction apparatus and audio reproduction apparatus
6139330553Entertainment and security monitoring apparatus
6149329610Biasing circuit for a microelectromechanical acoustic transducer and related biasing method
6159326087Sound augmentation system performance health monitoring
6169326086Neural induced enhancement of audio signals
6179326069System with speaker, transceiver and related devices
6189326068Signal connecting module, electronic device, and connector identification method thereof
6199326067Multiplexing audio system and method
6209326066Arrangement and method for converting an input signal into an output signal and for generating a predefined transfer behavior between said input signal and said output signal
6219326065Sound processing device, and sound processing method
6229326064Microphone array configuration and method for operating the same
6239326063Microphone with voice wake-up function
6249326062Method and system of extending battery life of a wireless microphone unit
6259326061Sound output apparatus, audio processing apparatus, sound output method, and audio processing method
6269326060Beamforming in varying sound pressure level
6279325285Method of reducing un-correlated noise in an audio processing device
6289319821Method, an apparatus and a computer program for modification of a composite audio signal
6299319802Personal audio system and method
6309319796Voice coil speaker
6319319793Headset signal multiplexing system and method
6329319788Sound processing device, and sound processing method
6339319787Estimation of time delay of arrival for microphone arrays
6349319786Microphone mounting structure of mobile terminal and using method thereof
6359319785Technique for localizing sound source
6369319784Frequency-shaped noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices
6379319783Attenuation of output audio based on residual echo
6389319782Distributed speaker synchronization
6399319781Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC)
6409319780Smart passive speaker drive
6419319779System and method for transducer biasing and shock protection
6429319778Communicating via a body-area network
6439319777Drive control circuit for vibration speaker
6449319772Multi-floor type MEMS microphone
6459318124Sound signal processing device, method, and program
6469318094Adaptive noise canceling architecture for a personal audio device
6479313599Apparatus and method for multi-channel signal playback
6489313597System and method for wind detection and suppression
6499313594Impedance detecting device and method
6509313573Method and device for microphone selection
6519313572System and method of detecting a user's voice activity using an accelerometer
6529313571Electronic apparatus and a method of controlling the same
6539313567Apparatus and method for sound reproduction
6549313566Acoustic equipment
6559313336Systems and methods for processing audio signals captured using microphones of multiple devices
6569312829System for adjusting loudness of audio signals in real time
6579312826Apparatuses and methods for acoustic channel auto-balancing during multi-channel signal extraction
6589307335Device for estimating placement of physical objects
6599307333Networked sound masking system
6609307327Portable electroacoustic device
6619307324Speaker
6629307321Speaker distortion reduction
6639307317Wireless programmable microphone apparatus and system for integrated surveillance system devices
6649307316Electronic device and method for sensing headset type by audio signal
6659306523Methods and circuits to reduce pop noise in an audio device
6669306449Adjustable biasing circuits for MEMS capacitive microphones
6679305317Systems and methods for collecting and transmitting telematics data from a mobile device
6689301072Transducer with motion control
6699301071Reducing audio distortion in an audio system
6709301069Immersive 3D sound space for searching audio
6719301049Noise-reducing directional microphone array
6729301048Signal processing method, signal processing device, and signal processing program
6739301047Loudspeaker audio accessory for a communication device
6749301046Systems and methods for minimizing distortion in an audio output stage
6759301045Audio I O headset plug and plug detection circuitry
6769301033Directional microphone and operating method thereof
6779300310Selection device
6789300258Method and device for driving digital speaker based on code conversion
6799299360Speech processing apparatus, control method thereof, storage medium storing control program thereof, and vehicle, information processing apparatus, and information processing system including the speech processing apparatus
6809294859Apparatus with adaptive audio adjustment based on surface proximity, surface type and motion
6819294858Controlling acoustic echo cancellation while handling a wireless microphone
6829294856Method and device for personalized hearing
6839294839Augmentation of a beamforming microphone array with non-beamforming microphones
6849294838Sound capture system
6859294837Vehicular active vibrational noise control apparatus
6869294836Systems and methods for adaptive noise cancellation including secondary path estimate monitoring
6879294835Image capturing apparatus, signal processing apparatus and method
6889294834Method and apparatus for reducing noise in voices of mobile terminal
6899294833Sound collection device
6909293151Speech signal enhancement using visual information
6919291697Systems, methods, and apparatus for spatially directive filtering
6929288599Audio scene mapping apparatus
6939288598Pipe calibration method for omnidirectional microphones
6949288577Preserving phase shift in spatial filtering
6959288576Dereverberation parameter estimation device and method, dereverberation/echo-cancellation parameter estimation device, dereverberation device, dereverberation/echo-cancellation device, and dereverberation device online conferencing system
6969288575Sound augmentation system transfer function calibration
6979288574Circuit for use with a loudspeaker for portable equipments
6989288573Interface circuit for connecting a microphone circuit to a preamplifier
6999288572Haptic microphone
7009288569Earphone with noise reduction
7019288331System and method for muting audio associated with a source
7029287834Read-out for MEMS capacitive transducers
7039286908Method and system for noise reduction
7049286898Methods and apparatuses for providing tangible control of sound
7059286882Systems and methods for active exhaust noise cancellation
7069285452Spatial visual effect creation and display such as for a screensaver
7079282406Digital microphone with frequency booster
7089282405Automatic microphone muting of undesired noises by microphone arrays
7099282404Handset microphone
7109282403User perceived gapless playback
7119282402Audio system with integrated power, audio signal and control distribution
7129282391Method and apparatus for recognizing earphone in portable terminal
7139281744System and method for a programmable voltage source
7149280984Noise cancellation method
7159280965Method for determining a noise reference signal for noise compensation and/or noise reduction
7169277339Sound source detection apparatus
7179277318Signal processing apparatus, signal processing method, and program
7189277317Tunable inductive device for parametric audio systems and related methods
7199277316Sound processing device and sound processing method
7209277315Pop-up noise suppression in audio
7219277314Method and apparatus for reducing current consumption of mobile terminal
7229277308Signal receiving structure of wireless microphone
7239277103Wireless speaker and digital camera
7249276559Induced signal removing circuit
7259276540Digital/analogue conversion apparatus
7269271100Sound field spatial stabilizer with spectral coherence compensation
7279271088Hearing aid with an H-bridge output stage and a method of driving an output stage
7289271078Audio output device capable of switching a sound field
7299271077Method and system for directional enhancement of sound using small microphone arrays
7309271076Enhanced stereophonic audio recordings in handheld devices
7319271075Signal processing apparatus and signal processing method
7329271074System and method for measuring sound
7339271073Method for controlling an extended-range electric vehicle including an electronic sound enhancement system
7349271072Analog input module
7359271071Loudspeaker
7369271067Transducer apparatus having a mechanical acoustic filter with movable blocking member
7379271064Method and system for contact sensing using coherence analysis
7389270807Audio localization using audio signal encoding and recognition
7399270244System and method to detect close voice sources and automatically enhance situation awareness
7409269352Speech recognition with a plurality of microphones
7419269350Voice controlled audio recording or transmission apparatus with keyword filtering
7429264835Exposing off-host audio processing capabilities
7439264816Volume reduction filling member for microphone and unidirectional condenser microphone incorporating the same
7449264809Multitask learning method for broadband source-location mapping of acoustic sources
7459264808Systems and methods for detection and cancellation of narrow-band noise
7469264807Multichannel acoustic echo reduction
7479264806Apparatus and method for tracking locations of plurality of sound sources
7489264805Method for determining a set of filter coefficients for an acoustic echo compensator
7499264804Noise suppressing method and a noise suppressor for applying the noise suppressing method
7509264803Using sounds for determining a worn state of a wearable computing device
7519264802Computing device utilizing a resting surface as a speaker
7529264801System and method for pairing a command device incorporating a microphone to a remotely controlled medical system
7539264800Audio signal processing apparatus and audio signal processing method
7549264799Method and apparatus for acoustic area monitoring by exploiting ultra large scale arrays of microphones
7559264797Directional microphone device, acoustic signal processing method, and program
7569264524Microphone array transducer for acoustic musical instrument
7579263062Vibration sensor and acoustic voice activity detection systems (VADS) for use with electronic systems
7589258661Automated gain matching for multiple microphones
7599258660Reset circuit for MEMS capacitive microphones
7609258659Method of detecting enclosure leakage of enclosure mounted loudspeakers
7619258656Sound acquisition and analysis systems, devices and components for magnetic hearing aids
7629258647Obtaining a spatial audio signal based on microphone distances and time delays
7639258645Adaptive phase discovery
7649258644Method and apparatus for microphone beamforming
7659258643System for blending signals
7669258642Audio-optical arrangement, accessory, earpiece unit and audio device
7679258641Method and system of audio capture based on logarithmic conversion
7689258638Anti-diffraction and phase correction structure for planar magnetic transducers
7699258637Earphone socket having RF connector device
7709258631Micro-speaker
7719258607Methods and apparatus to determine locations of audience members
7729257952Apparatuses and methods for multi-channel signal compression during desired voice activity detection
7739257835Output-stage circuit and method for over current protection thereof and audio amplify system
7749257132Dominant speech extraction in the presence of diffused and directional noise sources
7759253584Monitoring and correcting apparatus for mounted transducers and method thereof
7769253568Single-microphone wind noise suppression
7779253567Array microphone apparatus for generating a beam forming signal and beam forming method thereof
7789253566Vector noise cancellation
7799253565System and characterization of noise sources using acoustic phased arrays and time series correlations
7809253564Noise-canceling headphone depletion-mode switch
7819247357DACS actuator
7829247351Electroacoustic bandpass filter having smoothed insertion loss
7839247347Noise suppression apparatus and control method thereof
7849247346Apparatus, system and method for noise cancellation and communication for incubators and related devices
7859247345Multi-channel audio system having a shared current sense element for estimating individual speaker impedances
7869247344Loudspeaker
7879247343Sound direction estimation device, sound processing system, sound direction estimation method, and sound direction estimation program
7889247342Loudspeaker enclosure system with signal processor for enhanced perception of low frequency output
7899247340Circuits for improved audio signal reconstruction
7909247336Apparatus and method for confirming control information of earphone in portable terminal
7919247192Mobile terminal and audio zooming method thereof
7929246543Smart audio and video capture systems for data processing systems
7939246441Methods and apparatus for relatively invariant input-output spectral relationship amplifiers
7949244492Docking station with audio output
7959241228Adaptive self-calibration of small microphone array by soundfield approximation and frequency domain magnitude equalization
7969241227Transducer with integrated sensor
7979241223Directional filtering of audible signals
7989241213Acoustic transducer
7999241212Ray tracing apparatus and method
8009240195Speech enhancing method and device, and denoising communication headphone enhancing method and device, and denoising communication headphones
8019237406Speaker impedance measurement
8029237401Electronic devices with adjustable bias impedances and adjustable bias voltages for accessories
8039237399Masking vehicle noise
8049237392Earhole-wearable sound collection device, signal processing device, and sound collection method
8059237391Low noise differential microphone arrays
8069236837System and method for low distortion capacitive signal source amplifier
8079236060Noise suppression device and method
8089232310Methods, apparatuses and computer program products for facilitating directional audio capture with multiple microphones
8099232309Microphone array processing system
8109232308Headphone device, wearing state detection device, and wearing state detection method
8119232307Mobile microphone system and method
8129232306Systems and methods for reducing stray magnetic flux
8139232305Acoustic transducer
8149232302Microphone assemblies with through-silicon vias
8159232185Audio conferencing system for all-in-one displays
8169232146Imaging device with processing to change sound data
8179232071Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile device
8189229086Sound source localization apparatus and method

2015

8199226088Methods and apparatuses for multiple configurations of beamforming microphone arrays
8209226071Direct measurement of an input signal to a loudspeaker to determine and limit a temperature of a voice coil of the loudspeaker
8219226070Directional sound source filtering apparatus using microphone array and control method thereof
8229226069Transitioning multiple microphones from a first mode to a second mode
8239226068Coordinated gain control in adaptive noise cancellation (ANC) for earspeakers
8249226067Fan active noise self-lowering system
8259226066Active vibration noise control device
8269226065Interpolation circuit for interpolating a first and a second microphone signal
8279226064Wireless switching of effects pedals with status updates
8289226063Method and apparatus for recognizing accessory of portable terminal
8299226062Techniques to mitigate the effect of blocked sound at microphone arrays in a telepresence device
8309226061Speaker assembly
8319226053Digital speaker driving apparatus
8329225309Audio amplifier having load adjustment and method for the load adjustment of the audio amplifier
8339224393Noise estimation for use with noise reduction and echo cancellation in personal communication
8349219972Efficient audio coding having reduced bit rate for ambient signals and decoding using same
8359219964Hearing assistance system with own voice detection
8369219958Systems and methods for acoustic echo cancellation with wireless microphones and speakers
8379219957Sound pressure level limiting
8389219956Contactless audio adapter, and methods
8399219460Audio settings based on environment
8409219352Power off delay circuit and method, and audio system with power off delay
8419218728Methods and apparatus for acoustic event detection
8429215532Systems and methods for using a speaker as a microphone in a mobile device
8439215527Multi-band integrated speech separating microphone array processor with adaptive beamforming
8449215526Circuit for microphone pin assignment detection and method thereof
8459215328Beamforming apparatus and method based on long-term properties of sources of undesired noise affecting voice quality
8469213345Digitally controlled AC protection and attenuation circuit
8479210521Abutment attachment systems, mechanisms, devices, components and methods for bone conduction hearing aids
8489210518Method and apparatus for microphone matching for wearable directional hearing device using wearer's own voice
8499210508Active phantom-powered ribbon microphone with switchable proximity effect response filtering for voice and music applications
8509210505Maintaining spatial stability utilizing common gain coefficient
8519210504Processing audio signals
8529210503Audio zoom
8539210502Echo cancelling device
8549210501Pop-noise removing method
8559210500Headset type detection and configuration techniques
8569210499Spatial interference suppression using dual-microphone arrays
8579210494External vibration reduction in bone-conduction speaker
8589207648Watch having microphone
8599204222Transducer apparatus with a tension actuator
8609204216Audio system of a vehicle
8619204215One-bit digital-to-analog converter offset cancellation
8629204214Method and device for voice operated control
8639204211Pad-type device case providing enhanced audio functionality and output
8649202475Noise-reducing directional microphone ARRAYOCO
8659202474Effecting voice communication in a sound-restricted environment
8669202456Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation
8679202453Asymmetric temperature compensation of microphone sensitivity at an active noise reduction system
8689200944Method of objectively determining subjective properties of a binaural sound signal
8699198800Electronic earplug for providing communication and protection
8709197975System for detecting and reducing noise via a microphone array
8719197962Polyhedral audio system based on at least second-order eigenbeams
8729197960Phase correcting canalphone system and method
8739197958Method and apparatus for defining audio signals for headphones
8749197955Microphone unit
8759197930Methods and apparatus to detect spillover in an audience monitoring system
8769197178Headphone with active noise cancelling and auto-calibration method thereof
8779197177Method and implementation apparatus for intelligently controlling volume of electronic device
8789196254Method for implementing quality control for one or more components of an audio signal received from a communication device
8799196238Audio processing based on changed position or orientation of a portable mobile electronic apparatus
8809191749Electronic device that vibrates an element for sound transmission
8819191741Variable aperture phased array
8829191740Method and apparatus for in-ear canal sound suppression
8839191739Active reduction of harmonic noise from multiple rotating devices
8849191738Sound enhancement method, device, program and recording medium
8859191737Crest-factor based gain modification
8869191735Microphone features relating to a portable computing device
8879191728Headphone power system using high frequency signal conversion
8889190043Assisting conversation in noisy environments
8899185509Apparatus for processing of audio signals
8909185493Method and apparatus for computing metric values for loudspeaker protection
8919185488Control parameter dependent audio signal processing
8929185487System and method for providing noise suppression utilizing null processing noise subtraction
8939184791Selective adaptive audio cancellation algorithm configuration
8949184715Method and apparatus for processing audio in mobile terminal
8959183826Apparatus and method for providing passive amplification
8969182475Sound source signal filtering apparatus based on calculated distance between microphone and sound source
8979180055Electronic hearing protector with quadrant sound localization
8989179228Systems devices, components and methods for providing acoustic isolation between microphones and transducers in bone conduction magnetic hearing aids
8999179224Hearing device with adaptive feedback-path estimation
9009179217Signal processing apparatus and signal processing method
9019179216Audio interface adapter device and audio signal receiving apparatus
9029179215Electronic device, accessory, and method for detecting an accessory
9039176705Uplink transmission device and method for audio signal via audio interface
9049173027Systems and methods for protecting a speaker
9059173026Sound recording device
9069173025Combined suppression of noise, echo, and out-of-location signals
9079173024Noise mitigating microphone system
9089173023Multiple device noise reduction microphone array
9099173022Acoustic transducer
9109173021Method and device for adjusting an audio beam orientation based on device location
9119173020Control method of sound producing, sound producing apparatus, and portable apparatus
9129171551Unified microphone pre-processing system and method
9139167349Method and apparatus for reproducing multi-channel sound using cable/wireless device
9149167343Condenser stereomicrophone
9159167342Echo suppression
9169167340Apparatus and methods for limiting sound volume
9179167337Ear microphone and voltage control device for ear microphone
9189161146Device and method for diagnosing audio circuitry
9199161127Signal processing apparatus
9209161126Systems and methods for protecting a speaker
9219161125High dynamic microphone system
9229161124Method and electronic device for determining headset line sequence
9239161123Control of a microphone
9249161122Apparatus for differential interpolation pulse width modulation digital-to-analog conversion and output signal coding method thereof
9259161121Device, headphones and audio player with environmental sound mixing function
9269161112Single-wire programmable MEMS microphone, programming method and system thereof
9279160460Noise cancelling device
9289159335Apparatus and method for noise estimation, and noise reduction apparatus employing the same
9299155128Connective transmission device
9309154873Echo suppression
9319154872Multiple input audio switch
9329154871Condenser microphone
9339154870Sound generation device, sound generation method and storage medium storing sound generation program
9349154868Noise cancellation system
9359154096Apparatus and method for controlling sound output
9369153244Voice analyzer
9379151662Method for visualizing sound source energy distribution in echoic environment
9389148729Microphone with programmable frequency response
9399148725Methods and apparatus for improving audio quality using an acoustic leak compensation system in a mobile device
9409148724Audio system signal processing control using microphone movement information
9419148723Miniature electronic shotgun microphone
9429148722Microphone biasing circuitry and method thereof
9439148721System, method and apparatus for silent true bypass switching
9449148720Multimedia output device with detection and protection circuit and audio output method thereof
9459148718Grounding circuit for alternate audio plug designs
9469147347Vehicle direction identification device, vehicle direction identification method and program therefor
9479147328Creating tactile content with sound
9489143879Directional audio array apparatus and system
9499143876Glitch detection and method for detecting a glitch
9509143870Microphone system with mechanically-coupled diaphragms
9519143858User designed active noise cancellation (ANC) controller for headphones
9529143857Adaptively reducing noise while limiting speech loss distortion
9539143856Apparatus and method for spatially selective sound acquisition by acoustic triangulation
9549143851Microphone arrangement
9559143107System and method for dynamically mixing audio signals
9569137611Method, system and computer program product for estimating a level of noise
9579137600System and method for dynamic residual noise shaping
9589137599Underwater sensor arrays linearized by weight and buoyance distribution
9599137597Method and earpiece for visual operational status indication
9609136814Method and system of equalization pre-preocessing for sound receivng system
9619135915Augmenting speech segmentation and recognition using head-mounted vibration and/or motion sensors
9629135907Method and apparatus for reducing the effect of environmental noise on listeners
9639132331Microphone array and method of use
9649131320Audio device with a voice coil channel and a separately amplified telecoil channel
9659131314Acoustic system
9669131306Apparatus including means for connecting to one or more outer speakers as well as means for detecting such a connection
9679131305Configurable three-dimensional sound system
9689131302Speaker temperature control using speaker temperature and speaker impedance estimates
9699131297Method and apparatus for processing audio signal
9709131296Auto-configuring audio output for audio performance and fault detection
9719131295Multi-microphone audio source separation based on combined statistical angle distributions
9729131294Apparatus including microphone arrangements
9739131292Wireless microphone system
9749131291Audio recording and playback device, and power feed method for audio recording and playback device
9759131290Audio coding device, audio coding method, and computer-readable recording medium storing audio coding computer program
9769131041Using an auxiliary device sensor to facilitate disambiguation of detected acoustic environment changes
9779129587Method, device and system for eliminating noises with multi-microphone array
9789124985Hearing aid and method for automatically controlling directivity
9799124972Voice-bearing light
9809124970System and method for using a headset jack to control electronic device functions
9819124965Adaptive system for managing a plurality of microphones and speakers
9829124964Wide-range, wide-angle loudspeaker driver
9839124963Hearing apparatus having an adaptive filter and method for filtering an audio signal
9849124962Wind noise suppressor, semiconductor integrated circuit, and wind noise suppression method
9859124961Control device for driving multi-function speaker by using digital mixing scheme and related control method thereof
9869124220Differential microphone with dual polarity bias
9879123348Sound processing device
9889123322Howling suppression device, hearing aid, howling suppression method, and integrated circuit
9899119012Loudspeaker beamforming for personal audio focal points
9909119010Implantable sound transmission device for magnetic hearing aid, and corresponding systems, devices and components
9919119004Wireless device
9929118986Flat speaker output device and method for starting the same
9939118985Communication of diagnostic information from satellite to host
9949113780Device and method for detecting occurrence of wheeze
9959113263VAD detection microphone and method of operating the same
9969113247Device and method for direction dependent spatial noise reduction
9979113243Method and system for obtaining an audio signal
9989113242Sound source signal processing apparatus and method
9999113241Noise removing apparatus and noise removing method
10009113240Speech enhancement using multiple microphones on multiple devices
10019113239Electronic device and method for selecting microphone by detecting voice signal strength
10029113238Unidirectional microphone
10039112622Mixing signal processing apparatus and mixing signal processing integrated circuit
10049112468Audio device with mute function
10059111548Synchronization of buffered data in multiple microphones
10069111543Processing signals
10079111526Systems, method, apparatus, and computer-readable media for decomposition of a multichannel music signal
10089111521Modular acoustic horns and horn arrays
10099111438Apparatus, systems and methods for low power detection of messages from an audio accessory
10109110447Watch having microphone
10119106990Failure detection device for vehicle speaker
10129106989Adaptive-noise canceling (ANC) effectiveness estimation and correction in a personal audio device
10139106987Handling power dissipation in a multi microspeaker module
10149106986Headphone with integrated receiver
10159106312Vehicular microphone system and method for post processing optimization of a microphone signal
10169106211System and method for an oversampled data converter
10179106196Sound field spatial stabilizer with echo spectral coherence compensation
10189100760Audio channel fault detection system
10199100759Loudspeaker driver with sensing coils for sensing the position and velocity of a voice-coil
10209100756Microphone occlusion detector
10219100743Method and system for power delivery to a headset
10229100736Control of an adaptive feedback cancellation system based on probe signal injection
10239100735Vector noise cancellation
10249100734Systems, methods, apparatus, and computer-readable media for far-field multi-source tracking and separation
10259100732Hertzian dipole headphone speaker
10269100731Low power microphone circuits for vehicles
10279100032Methods and devices for analog-to-digital conversion
10289099094Microphone array with rear venting
10299094767Headset plug universal auto switcher
10309094766Hearing assistance system with own voice detection
10319094758Audio transmission line and headset
10329094753Wireless microphone structure
10339094749Head-mounted sound capture device
10349094746Block resistant microphone port design
10359094744Close talk detector for noise cancellation
10369094742Event drivable N X M programmably interconnecting sound mixing device and method for use thereof
10379094741Multi-membrane microphone for high-amplitude audio capture
10389094645Method for processing sound source in terminal and terminal using the same
10399094496System and method for stereophonic acoustic echo cancellation
10409093970Information processing apparatus and information processing method
10419093078Acoustic source separation
10429088845Music stand microphone mount
10439088841Signal processor and method for compensating loudspeaker aging phenomena
10449088839Multimedia auditory augmentation
10459088723Server, client terminal, and program
10469084068Sensor-based placement of sound in video recording
10479084062Conversation detection apparatus, hearing aid, and conversation detection method
10489084051Unidirectional mechanical amplification in a microphone
10499084048Audio systems and methods employing an array of transducers optimized for particular sound frequencies
10509084042Apparatus and method for long playback of short recordings
10519084039Overload protection for loudspeakers in exhaust systems
10529084038Method of controlling audio recording and electronic device
10539084037Audio beamforming
10549084036Signal source localization using compressive measurements
10559084035System and method of detecting a plug-in type based on impedance comparison
10569083288High level capable audio amplification circuit
10579083286System and method for capacitive signal source amplifier
10589078066Touch input surface speaker
10599078057Adaptive microphone beamforming
10609077465Portable fitness monitoring methods
10619077342Circuit assembly for processing an electrical signal of a microphone
10629071904Noise reducing sound-reproduction
10639071895Satellite microphones for improved speaker detection and zoom
10649071894Hearing protection system
10659071892Switching between acoustic parameters in a convertible vehicle
10669071216Signal processing device and signal processing method
10679071214Audio signal controller
10689070408Closed loop analog signal processor ("CLASP") system
10699066186Light-based detection for acoustic applications
10709066171Loudspeaker protection apparatus and method thereof
10719066170Variable beamforming with a mobile platform
10729066169System and method for enhancing speech intelligibility using companion microphones with position sensors
10739066167Method and device for personalized voice operated control
10749065914System and method of providing generated speech via a network
10759064487Imaging device superimposing wideband noise on output sound signal
10769061893Methods of manufacture of top port multi-part surface mount silicon condenser microphones
10779060221Safety helmet with speaker assembly
10789060218Failure detection device for vehicle speaker
10799060217Audio driver system and method
10809060216Voice acquisition system for vehicle
10819059630High voltage multiplier for a microphone and method of manufacture
10829058737Wakefulness-maintaining device and wakefulness-maintaining method
10839055375Gaming system and method for dynamic noise suppression
10849055357Multi-directional and omnidirectional hybrid microphone for hearing assistance devices
10859055356Sound source localization apparatus and sound source localization method
10869054764Sensor array beamformer post-processor
10879049504Sound emission and collection device
10889049503Method and system for beamforming using a microphone array
10899042575Processing audio signals
10909042574Processing audio signals
10919042573Processing signals
10929036833External ear canal voice detection
10939031266Electrostatic loudspeaker with membrane performing out-of-plane displacement
10949031265Piezoelectric speaker, piezoelectric audio device employing piezoelectric speaker, and sensor with alert device attached
10959031259Noise reduction apparatus, audio input apparatus, wireless communication apparatus, and noise reduction method
10969031257Processing signals
10979031256Systems, methods, apparatus, and computer-readable media for orientation-sensitive recording control
10989025805Condenser microphone
10999025022Method and apparatus for gesture recognition using a two dimensional imaging device
11009020163Near-field null and beamforming
11019020162Electronic device and external equipment with digital noise cancellation and digital audio path
11029014399ECM digital microphone temperature compensation
11039014398Charging circuit and amplifier
11049014397Signal processing device and signal processing method
11059014395Audio analysis apparatus and audio analysis system
11069008332Processing chip for a digital microphone and related input circuit and a digital microphone
11079008324Impedance matching circuit for driving a speaker system
11089002037MEMS structure with adjustable ventilation openings
11099002036Multiple microphone system
11109002028Noisy environment communication enhancement system
11119002027Space-time noise reduction system for use in a vehicle and method of forming same
11128996383Motor-vehicle voice-control system and microphone-selecting method therefor
11138995690Microphone and method for calibrating a microphone
11148995689Electronic device circuitry for communicating with accessories
11158989409Image display device and method of controlling the same
11168989401Audio zooming process within an audio scene
11178989399Reflection cancelling boundary microphones and amplification systems incorporating reflection cancelling boundary microphones
11188983097Adjustable ventilation openings in MEMS structures
11198983093Electronic device circuitry for communicating with accessories
11208983089Sound source localization using multiple microphone arrays
11218983079Stereo microphone
11228976984Dynamic microphone
11238976978Sound signal processing apparatus and sound signal processing method
11248976977Microphone array
11258976265Apparatus for image and sound capture in a game environment
11268971552Electronic device
11278971547Passive group delay beam forming
11288965013Echo cancellation
11298965009Speaker with built-in filter for digital amplifier
11308965008Method for driving a condenser microphone
11318965004Method for acquiring audio signals, and audio acquisition system thereof
11328965003Signal processing using spatial filter
11338965002Apparatus and method for enhancing audio quality using non-uniform configuration of microphones
11348964999Audio reproduction device and audio reproduction method
11358964993Systems and methods for enhancing audio content
11368958575Amplifier with configurable DC-coupled or AC-coupled output
11378958574Strain and pressure sensing device, microphone, method for manufacturing strain and pressure sensing device, and method for manufacturing microphone
11388958573Apparatus, systems and methods for controlling an electronic device using an accessory
11398958571MIC covering detection in personal audio devices
11408958570Microphone array apparatus and storage medium storing sound signal processing program
11418958569Selective spatial audio communication
11428953821Parametric audio system
11438953817System and method for producing a directional output signal
11448948413Audio apparatus
11458942389Trim method for CMOS-MEMS microphones
11468942387Noise-reducing directional microphone array
11478942386Real-time quality monitoring of speech and audio signals in noisy reverberant environments for teleconferencing systems
11488942381Control of a loudspeaker output
11498934640Microphone array processor based on spatial analysis
11508930197Apparatus and method for encoding and reproduction of speech and audio signals
11518929565Output phase modulation entrainment containment for digital filters
11528929564Noise adaptive beamforming for microphone arrays
11538929560Method and apparatus for audio processing

2014

11548924204Method and apparatus for wind noise detection and suppression using multiple microphones
11558923524Ultra-compact headset
11568917885Loop gain estimating apparatus and howling preventing apparatus
11578917883Electronic device and audio accessory having a plurality of passive switches for controlling the audio device
11588913758System and method for spatial noise suppression based on phase information
11598913757Enhanced spatialization system with satellite device
11608908880Electronic apparatus having microphones with controllable front-side gain and rear-side gain
11618903108Near-field null and beamforming
11628903107Wideband noise reduction system and a method thereof
11638903106Augmented elliptical microphone array
11648897465Class D micro-speaker
11658897464Condenser microphone
11668897462Audio processing apparatus, sound pickup apparatus and imaging apparatus
11678897460Microphone amplifier
11688897454Sound zooming apparatus and method synchronized with moving picture zooming function
11698896184Piezoelectric MEMS microphone
11708892430Noise detecting device and noise detecting method
11718891790Methods for using an accessory to communicate with an electronic device
11728891785Processing signals
11738891784Microphone assembly for use with an aftermarket telematics unit
11748885847Vehicular apparatus
11758879760Directional sound systems and related methods
11768879752Microphone
11778879749Directional microphone device and directivity control method
11788873773Condenser microphone unit and condenser microphone
11798873770Audio processing pipeline for auditory prosthesis having a common, and two or more stimulator-specific, frequency-analysis stages
11808873769Wind noise detection method and system
11818873768Method and apparatus for audio signal enhancement
11828867765Antenna used in conjunction with the conductors for an audio transducer
11838861765Microphone component and method for operating same
11848861753Acoustic transducer, and microphone using the acoustic transducer
11858861750Mobile tele-presence system with a microphone system
11868861745Wind noise mitigation
11878861740Automatic computer audio input and output control
11888855341Systems, methods, apparatus, and computer-readable media for head tracking based on recorded sound signals
11898855336System and method for biasing active devices
11908855331Audio analysis apparatus
11918848942Acoustic beam forming array using feedback-controlled microphones for tuning and self-matching of frequency response
11928848941Information processing apparatus, information processing method, and program
11938842869Method and apparatus for sound source localization using microphones
11948842851Audio source localization system and method
11958838262Synchronization and switch over methods and systems for an adaptive audio system
11968837747Apparatus, method, and program product for presenting moving image with sound
11978837746Dual omnidirectional microphone array (DOMA)
11988831954Localizing the position of a source of a voice signal
11998831248Apparatus with directivity pattern
12008831247Phantom power circuit
12018831246MEMS microphone with programmable sensitivity
12028824702Reverse-phase modulating structure of piezoelectric ceramic speaker
12038824699Method of, and apparatus for, planar audio tracking
12048824698Integrated circuit device, voice input device and information processing system
12058824697Passenger compartment communication system
12068824696Headset signal multiplexing system and method
12078824692Self calibrating multi-element dipole microphone
12088818004Condenser microphone
12098811630Systems, methods, and apparatus to filter audio
12108811626Recording/reproducing apparatus
12118804983Microphone and microphone apparatus
12128804982Dual cell MEMS assembly
12138798955Acoustic energy measurement device, and acoustic performance evaluation device and acoustic information measurement device using the same
12148798281Control of a loudspeaker output
12158787599Reduced microphone handling noise
12168787597Pop-up noise suppression in audio
12178787592Boundary microphone
12188787584Audio metrics for head-related transfer function (HRTF) selection or adaptation
12198787560Method for determining a set of filter coefficients for an acoustic echo compensator
12208781142Selective acoustic enhancement of ambient sound
12218774429Voice input device, method for manufacturing the same, and information processing system
12228774428Very low power MEMS microphone
12238767980Omnidirectional button-style microphone
12248767979Parametric transducer system and related methods
12258767976Sound pickup device
12268767975Sound discrimination method and apparatus
12278767973Adaptive filter in a sensor array system
12288767971Sound pickup apparatus and sound pickup method
12298761413Audio apparatus with circularly arranged microphones
12308761412Microphone array steering with image-based source location
12318755539Electrostatic transducer loudspeaker
12328755538Tuning sound feed-back device
12338755537Microphone unit and sound collecting device
12348755536Stabilizing directional audio input from a moving microphone array
12358750539Charge pump circuits
12368750535Communications headset power provision
12378750534Communications headset power provision
12388744101System for controlling the primary lobe of a hearing instrument's directional sensitivity pattern
12398744090Ribbon microphone
12408738367Speech signal processing device
12418737646Temperature compensated voltage pump
12428737634Wide area noise cancellation system and method
12438731213Voice analyzer for recognizing an arrangement of acquisition units
12448731212Sound collecting device, acoustic communication system, and computer-readable storage medium
12458731211Calibrated dual omnidirectional microphone array (DOMA)
12468731186Microphone disruption apparatus and method
12478718299Audio control device and audio output device
12488718297Parametric transducer and related methods
12498718294Audio connectors with wavelength-division-multiplexing capabilities
12508705767Electrostatic speaker system
12518705754Measuring transducer displacement
12528699726Apparatus and method for biasing a transducer
12538699721Calibrating a dual omnidirectional microphone array (DOMA)
12548693708System for operating a device for producing an audible alarm
12558693707Signal processing circuit
12568693703Method of combining at least two audio signals and a microphone system comprising at least two microphones
12578688458Actuator control of adjustable elements by speech localization in a vehicle
12588687823Microphone interface and method of operation
12598687820Stereo microphone processing for teleconferencing
12608682007Condenser microphone unit
12618682003Equipment with optical paths for noise cancellation signals
12628675896Apparatus and method for audio signal processing in dual standby mobile communication terminal
12638675895Microphone assembly with integrated self-test circuitry
12648675891Power supply unit with noise reduction capability
12658675890Speaker localization
12668675130Electronic adapter unit for selectively modifying audio or video data for use with an output device
12678670578Piezoelectric actuator and electronic device
12688670571Frequency control based on device properties
12698666095Fast precision charge pump
12708666094Drive control method of electrostatic-type ultrasonic transducer, electrostatic-type ultrasonic transducer, ultrasonic speaker using electrostatic-type ultrasonic transducer, audio signal reproducing method, superdirectional acoustic system, and display
12718666090Microphone modeling system and method
12728660276Driving circuit for a sound outputting apparatus
12738660275Microphone non-uniformity compensation system
12748660274Beamforming pre-processing for speaker localization
12758660272Parameter setting method and audio apparatus
12768654990Multiple microphone based directional sound filter
12778649534Audio interface device and method
12788649529Apparatus, method and computer program for localizing a sound source
12798649528Microphone unit with internal A/D converter
12808649527Amplifier circuit, electronic device, method for configuring an amplifier circuit
12818644533Method and apparatus for hearing assistance device microphones
12828644525Virtual microphones in electronic conferencing systems
12838638955Voice input device, method of producing the same, and information processing system
12848638951Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals
12858634576Output phase modulation entrainment containment for digital filters
12868634572Method and apparatus for ambient sound therapy user interface and control system
12878634565Audio signal processing apparatus, audio signal processing method, and program
12888630685Method and apparatus for providing sidetone feedback notification to a user of a communication device with multiple microphones
12898630429Preventing electrostatic pull-in in capacitive devices
12908625819Method and device for voice operated control
12918625816Advanced speech encoding dual microphone configuration (DMC)

2013

12928615092Sound processing device, correcting device, correcting method and recording medium
12938614733Apparatus, system, and method of preventing leakage of information
12948611561First stage audio amplifier with clamping circuit
12958611560Method and device for voice operated control
12968611556Calibrating multiple microphones
12978611555Robot head with artificial ears
12988611190Bio-acoustic wave energy transducer
12998600080Methods for communicating with electronic device accessories
13008600079Amplifier circuit of capacitor microphone
13018600069Multi-channel active noise control system with channel equalization
13028594743Portable terminal, audio output control method, and audio output control program
13038594346Audio output drivers for piezo speakers
13048594342Transducer device including feedback circuit
13058588438Driving interface device adaptive to a flat speaker
13068588433Electret microphone circuit
13078588431Electrical system for a speaker and its control
13088577055Sound source signal filtering apparatus based on calculated distance between microphone and sound source
13098577054Signal processing apparatus, signal processing method, and program
13108571238Microphone
13118565456Hearing aid
13128565446Estimating direction of arrival from plural microphones
13138565445Combining audio signals based on ranges of phase difference
13148559657Capacitor microphone
13158559643Stereo microphone unit and stereo microphone
13168553906Apparatus for enabling karaoke
13178553905Always on headwear recording system
13188553904Systems and methods for performing sound source localization
13198553903Sound-direction detector having a miniature sensor
13208553899Output phase modulation entrainment containment for digital filters
13218553894Active and passive directional acoustic radiating
13228542847Controlled overlap driver circuit
13238538040Drivers and methods for driving a load
13248531088Piezoelectric MEMS microphone
13258526647Listening device providing enhanced localization cues, its use and a method
13268526633Acoustic apparatus
13278526632Microphone array for a camera speakerphone
13288526625Stereo microphone
13298520865Display apparatus, projector, and control method
13308520858Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources
13318515100Programmable microphone
13328515099Capacitor microphone
13338515094Distributed signal processing systems and methods
13348515093Input signal mismatch compensation system
13358509459Noise cancelling microphone with reduced acoustic leakage
13368509454Focusing on a portion of an audio scene for an audio signal
13378503697Pickup signal processing apparatus, method, and program product
13388503693Biology-inspired miniature system and method for sensing and localizing acoustic signals
13398503692Forming virtual microphone arrays using dual omnidirectional microphone array (DOMA)
13408503691Virtual microphone arrays using dual omnidirectional microphone array (DOMA)
13418498431Capacitor microphone
13428494177Virtual microphone array systems using dual omindirectional microphone array (DOMA)
13438494173Integrated circuit with configurable output cell
13448494171Energy saving PWM sound device
13458488812Biasing circuit for a microelectromechanical acoustic transducer and related biasing method
13468483406System for detecting and reducing noise via a microphone array
13478477976Method for the detection of whistling in an audio system
13488477961Microphone array with rear venting
13498472655Audio processing
13508472640Elevated toroid microphone apparatus
13518468018Apparatus and method for canceling noise of voice signal in electronic apparatus
13528467548Miniature micro-electromechanical system (MEMS) based directional sound sensor
13538467545Noise reduction systems and methods for voice applications
13548467542Sound recording device, sound recording method, and sound recording program embodied on computer readable medium
13558467525Steganographic method and device
13568462976Voice conference system
13578457332Microphone and orientation sensor assembly
13588452027Audio conference system
13598452019Testing and calibration for audio processing system with noise cancelation based on selected nulls
13608450907Sound generator for use in parametric array
13618447049Programmable microphone
13628442256Boundary microphone and desktop electro-acoustic transducer
13638441352Personal security backpack and method
13648437483Active snubber for improving stability of headphone amplifiers
13658433076Electronic apparatus for generating beamformed audio signals with steerable nulls
13668433075Audio system based on at least second-order eigenbeams
13678424904Steering wheel system with audio input
13688423165Digital/analogue conversion apparatus
13698422696Apparatus and method for removing noise
13708422694Source sound separator with spectrum analysis through linear combination and method therefor
13718416956Protected digital audio driver
13728411165Microphone apparatus, reproducing apparatus, and image taking apparatus
13738401208Anti-shock methods for processing capacitive sensor signals
13748401207Motional feedback system
13758401206Adaptive beamformer using a log domain optimization criterion
13768391514Parametric transducer systems and related methods
13778391511Semiconductor device
13788391508Method for reproducing natural or modified spatial impression in multichannel listening
13798391507Systems, methods, and apparatus for detection of uncorrelated component
13808391501Method and apparatus for mixing priority and non-priority audio signals
13818385562Sound source signal filtering method based on calculated distances between microphone and sound source
13828379888Flexible piezoelectric sound-generating devices
13838379884Sound signal transmitter-receiver
13848379882Method and electronic device for driving a capacitance electro-acoustic transducer
13858379881Silicon based capacitive microphone
13868379877Sound collector and sound recorder
13878379876Audio device utilizing a defect detection method on a microphone array
13888379875Method for efficient beamforming using a complementary noise separation filter
13898374363Amplifier circuit of capacitor microphone
13908374362Signaling microphone covering to the user
13918374358Method for determining a noise reference signal for noise compensation and/or noise reduction
13928369531Audio reproducing apparatus and method thereof
13938363857Portable electronic device
13948363848Method, computer readable storage medium and system for localizing acoustic source
13958363846Frequency domain signal processor for close talking differential microphone array
13968358789Adaptive microphone system for a hearing device and associated operating method
13978351636Glasses frame comprising an integrated acoustic communication system for communication with a mobile radio appliance, and corresponding method
13988351618Dereverberation and noise reduction method for microphone array and apparatus using the same
13998351617Method for phase mismatch calibration for an array microphone and phase calibration module for the same
14008345894Impedance converter for microphone and microphone

2012

14018340317Stereo audio-signal processing system
14028340316Directional microphone device
14038340315Assembly, system and method for acoustic transducers
14048335328Programmable integrated microphone interface circuit
14058335321Audio signal processing apparatus, audio signal processing method and imaging apparatus
14068331584Capacitor microphone and impedance converter therefor
14078331582Method and apparatus for producing adaptive directional signals
14088331572Spatial audio
14098325954Processing an input signal in a hearing aid
14108325943Dual-coil, dual gap electromagnetic transducer with multiple channel amplifiers
14118320588Microphone mover
14128320574Methods and systems for reducing acoustic echoes in communication systems
14138319858Electronic apparatus and method for receiving sounds with auxiliary information from camera system
14148319620Ambient situation awareness system and method for vehicles
14158315407Apparatus and method for localizing sound source in real time
14168311242Amplifying an audio signal
14178311241Microphone circuit
14188311236Noise extraction device using microphone
14198306244Digital speaker driving apparatus
14208300872Method and device for detecting a displacement and movement of a sound producing unit of a woofer
14218300850Read-out circuit with high input impedance
14228300845Electronic apparatus having microphones with controllable front-side gain and rear-side gain
14238300837System and method for compensating memoryless non-linear distortion of an audio transducer
14248295512Microphone with voltage pump
14258295510Power-saving amplifying device
14268290537Sidetone adjustment based on headset or earphone type
14278290178Sound source characteristic determining device
14288290177Sound zoom method, medium, and apparatus
14298288971Integrated and programmable microphone bias generation
14308284952Modeling of a microphone
14318280076System and method for audio system configuration
14328280072Microphone array with rear venting
14338276254Surface micromachined differential microphone
14348275162Method for operating a hearing device and microphone system for hearing device
14358275161Hearing device employing signal processing based on design-related parameters and corresponding method
14368275148Audio processing apparatus and method
14378275147Selective shaping of communication signals
14388275145Vehicle communication system
14398270632Sound source localization system and method
14408265304Microphone suitable for professional live performance
14418265298Loudspeaker system
14428259963Microphone assembly with P-type preamplifier input stage
14438259959Toroid microphone apparatus
14448255209Noise elimination method, apparatus and medium thereof
14458254598Programmable integrated microphone interface circuit
14468249269Sound collecting device, sound collecting method, and collecting program, and integrated circuit
14478243977Media player system, media player, and earphone
14488243959Audio output control device and audio output control method
14498243958Receiver
14508243956Auto bias microphone system for use with multiple loads and method of forming same
14518243952Microphone array calibration method and apparatus
14528243951Sound emission and collection device
14538243950Teleconferencing apparatus with virtual point source production
14548238584Voice signal transmitting/receiving apparatus
14558238583Microphone circuit and method for analog-to-digital conversion therein
14568238581Powered subwoofer/speaker remote turn-on function
14578238580Module having a remote turn-on function for use with a powered subwoofer/speaker or other audio/visual electrical equipment
14588238574Method for determining a time delay for time delay compensation
14598238573Conference apparatus
14608238569Method, medium, and apparatus for extracting target sound from mixed sound
14618233643System and method for amplifying low level signals provided on electrical supply power
14628233642Methods and apparatuses for capturing an audio signal based on a location of the signal
14638233352Audio source localization system and method
14648229134Audio camera using microphone arrays for real time capture of audio images and method for jointly processing the audio images with video images
14658223989Signal processing system and method for calibrating channel signals supplied from an array of sensors having different operating characteristics
14668223988Enhanced blind source separation algorithm for highly correlated mixtures
14678218793Apparatus and muting circuit
14688218790Techniques for customizing control of volume level in device playback
14698218787Microphone array signal processing apparatus, microphone array signal processing method, and microphone array system
14708218786Acoustic signal processing apparatus, acoustic signal processing method and computer readable medium
14718213623Method to generate an output audio signal from two or more input audio signals
14728208656Array microphone system including omni-directional microphones to receive sound in cone-shaped beam
14738208649Methods and systems for robust approximations of impulse responses in multichannel audio-communication systems
14748204260Speaker apparatus, speaker driving apparatus and control method thereof
14758204259Condenser microphone
14768204249Methods and systems for reducing acoustic echoes in multichannel audio-communication systems
14778204248Acoustic localization of a speaker
14788204247Position-independent microphone system
14798199936Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system
14808199925Loudspeaker array audio signal supply apparatus
14818194892Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance
14828194881Detection and suppression of wind noise in microphone signals
14838194880System and method for utilizing omni-directional microphones for speech enhancement
14848194500Method and device for locating a sound source
14858189825Sound management techniques for vehicles
14868189818Electronic apparatus capable of always executing proper noise canceling regardless of display screen state, and voice input method for the apparatus
14878189815Microphone circuit
14888189811System and method for processing audio signals
14898189807Satellite microphone array for video conferencing
14908189805Allpass array
14918184843Method and apparatus for sound source localization using microphones
14928184827Sound source position detector
14938184816Systems and methods for detecting wind noise using multiple audio sources
14948184180Spatially synchronized audio and video capture
14958180092Converter system for an active noise compensation apparatus
14968180067System for selectively extracting components of an audio input signal
14978175314Tactical microphone support systems
14988175297Ad hoc sensor arrays
14998175294Electrostatic loudspeaker with single ended drive
15008175293Apparatus, methods and computer programs for converting sound waves to electrical signals
15018174934Sound direction detection
15028170241Mobile tele-presence system with a microphone system
15038170238Integrated circuit attached to microphone
15048170237Programmable microphone
15058170234Deconvolution methods and systems for the mapping of acoustic sources from phased microphone arrays
15068170220Image sensing apparatus with selectably combinable microphone signals to obtain desired directivity
15078165317Method and system for position detection of a sound source
15088165310Dereverberation and feedback compensation system
15098160276Audio system and related method integrated with ultrasound communication functionality
15108160270Method and apparatus for acquiring multi-channel sound by using microphone array
15118160269Methods and apparatuses for adjusting a listening area for capturing sounds
15128159902Apparatus and method for localizing sound source in robot
15138155353Device and method for driving speaker
15148155346Audio source direction detecting device
15158155345Wearable terminal, mobile imaging sound collecting device, and device, method, and program for implementing them
15168154588Participant audio enhancement system
15178150073Impedance converting circuit and electronic device
15188150072Vibration generator for electronic device having speaker driver and counterweight
15198150063Stabilizing directional audio input from a moving microphone array
15208150062Determination of the adequate measurement window for sound source localization in echoic environments
15218150061Sound generating method, sound generating apparatus, sound reproducing method, and sound reproducing apparatus
15228150054Adaptive filter in a sensor array system
15238144886Audio conferencing apparatus
15248139793Methods and apparatus for capturing audio signals based on a visual image
15258139790Integrated circuit biasing a microphone
15268139784Compound loudspeaker
15278139783Speaker assembly arrangement for a vehicle and method of mounting a speaker
15288135144Microphone system, sound input apparatus and method for manufacturing the same
15298135143Remote conference apparatus and sound emitting/collecting apparatus
15308135142Method for reducing interferences of a directional microphone
15318131887Automatically customizing one or more interactive portable display devices with a calculator unit by exchanging parameter data
15328130995Earpiece device with microphone
15338130978Dynamic switching of microphone inputs for identification of a direction of a source of speech sounds
15348130977Cluster of first-order microphones and method of operation for stereo input of videoconferencing system
15358130973Superdirectional acoustic system and projector
15368128342Multidirectional multisound information system
15378126165Condenser microphone
15388121313Microphone made from a polymer waveguide
15398121310Sound receiving apparatus and method
15408121309Adapting a directional microphone signal to long-lasting influences
15418116489Accoustically transparent occlusion reduction system and method
15428116483Speaker device with the phase changing device for varying the phase of the audio signal
15438116479Sound collection/reproduction method and device
15448116478Apparatus and method for beamforming in consideration of actual noise environment character
15458111844Semiconductor integrated circuit and condenser microphone
15468111843Compensation for nonuniform delayed group communications
15478111840Echo reduction system
15488111839Always on headwear recording system
15498111838Conferencing apparatus for echo cancellation using a microphone arrangement
15508111583Method and apparatus for determining and indicating direction and type of sound
15518108220Techniques for accommodating primary content (pure voice) audio and secondary content remaining audio capability in the digital audio production process
15528107645Remote microphone teleconferencing configurations
15538107644Amplifying element and manufacturing method thereof
15548107642Spatial noise suppression for a microphone array
15558103022Method and system for detecting, and controlling power for, an auxiliary microphone
15568103018Sound pickup apparatus
15578103007System and method of detecting speech intelligibility of audio announcement systems in noisy and reverberant spaces
15588098849Low frequency equalization for loudspeaker system
15598098844Dual-microphone spatial noise suppression
15608098843Sound source direction detecting apparatus, sound source direction detecting method, and sound source direction detecting camera
15618098842Enhanced beamforming for arrays of directional microphones
15628098833System and method for dynamic modification of speech intelligibility scoring
15638094838Voice command of audio emitting device
15648094834Remote auditory spatial communication aid
15658094833Sound source localization system and sound source localization method
15668090123Microphone
15678090117Microphone array and digital signal processing system

2011

15688085957Method for converting electric signals into acoustic oscillations and an electric gas-kinetic transducer
15698085947Multi-channel echo compensation system
15708081779Audio circuit
15718081778VOX circuit with 2-wire interfaces
15728081773Audio signal processing apparatus, audio signal processing method and imaging apparatus
15738077878Low-power on-chip headset switch detection
15748077874Active noise reduction microphone placing
15758073157Methods and apparatus for targeted sound detection and characterization
15768073149Loudspeaker device
15778073145Method and apparatus for separating sound-source signal and method and device for detecting pitch
15788068619Method and apparatus for noise suppression in a small array microphone system
15798064622Self-biased amplifier device for an electrecret microphone
15808064620Driver circuit and driving method for electrostatic loudspeaker
15818064619Microphone and integrated circuit capible of echo cancellation
15828064618Direction detection apparatus, direction detection method and direction detection program, and direction control apparatus, direction control method, and direction control program
15838064617Microphone non-uniformity compensation system
15848059840System and method for locating sound sources
15858059838Interfacing circuit for a removable microphone
15868059837Audio processing method and system
15878059836Microphone bias circuits
15888054992High frequency compensating
15898054991Sound pickup apparatus and conference telephone
15908054990Method of recognizing speech from a plurality of speaking locations within a vehicle
15918054988Communications device for transmitting acoustic signals in a motor vehicle
15928050717Signal processing system and method for calibrating channel signals supplied from an array of sensors having different operating characteristics
15938050432Sound system
15948050425Audio signal supplying device, parameter providing system, television set, AV system, speaker apparatus, and audio signal supplying method
15958045840Video-audio recording apparatus and method, and video-audio reproducing apparatus and method
15968045730Methods and systems for reducing acoustic echoes in communication systems
15978041059Electrostatic transducer, ultrasonic speaker, driving circuit of capacitive load, method of setting circuit constant, display device, and directional sound system
15988041056Voltage supply circuit and microphone unit comprising the same
15998041054Systems and methods for selectively switching between multiple microphones
16008041043Processing microphone generated signals to generate surround sound
16018036401Calibrated microelectromechanical microphone
16028036397Method for estimating the position of a sound source for online calibration of auditory cue to location transformations
16038031882Method and apparatus to reduce the effect of flux modulation in speakers
16048031881Method and apparatus for microphone matching for wearable directional hearing device using wearer's own voice
16058031876Audio system
16068027489Multi-voltage biasing system with over-voltage protection
16078027488Parametric audio system
16088023667Micro-electro-mechanical systems (MEMS) capacitive sensing circuit
16098019096Electronic device and external equipment with configurable audio path circuitry
16108009843Microphone circuit
16118009841Handsfree communication system
16128009840Microphone calibration with an RGSC beamformer
16138005242Alternative sensing circuit for MEMS microphone and sensing method thereof
16148005241Mute circuit for a microphone
16158005237Sensor array beamformer post-processor
16168000483Electrostatic loudspeaker systems and methods
16178000481Speaker array and microphone array
16187995768Sound reinforcement system
16197991168Serially connected microphones
16207991167Forming beams with nulls directed at noise sources
16217991166Microphone apparatus
16227986794Small array microphone apparatus and beam forming method thereof
16237983429Speaker system utilizing input from a transducer in proximity to a separate speaker
16247978866Acoustics correcting apparatus
16257978863Apparatus and method to provide advanced microphone bias
16267970154Condenser microphone
16277970151Hybrid beamforming
16287970150Tracking talkers using virtual broadside scan and directed beams
16297970147Video game controller with noise canceling logic
16307966084Communication terminals with a tap determination circuit
16317961892Apparatus and method for monitoring speaker cone displacement in an audio speaker
16327957542Adaptive beamformer, sidelobe canceller, handsfree speech communication device
16337957540Automobile audio system
16347953460Mobile terminal having dual display unit and method of controlling dual speaker and dual microphone thereof
16357953233Synchronous detection and calibration system and method for differential acoustic sensors
16367953228Automatic audio systems for fire detection and diagnosis, and crew and person locating during fires
16377945059Speaker device, sound reproducing method, and speaker control device
16387945056Listening device with two or more microphones
16397940943Speaker driving apparatus
16407940942Self-identifying microphone
16417936886Speaker system to control directivity of a speaker unit using a plurality of microphones and a method thereof
16427933684Autonomous mobile robot
16437929716Voltage supply circuit, power supply circuit, microphone unit using the same, and microphone unit sensitivity adjustment method
16447929715Ultra directional speaker system and signal processing method thereof
16457929714Integrated audio codec with silicon audio transducer
16467929713External ear canal voice detection
16477929710Communication system for remote sound monitoring with ambiguous signal processing
16487925034Method for operating a hearing device as well as a hearing device
16497925033Electro-acoustic transducer
16507925031Audio system with feedback detection means
16517920710Loudspeaker apparatus
16527920709Vector sound-intensity probes operating in a half-space
16537916849Systems and methods for managing the gating of microphones in a multi-pod conference system
16547912228Device and method for operating voice-supported systems in motor vehicles
16557909466Project equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector
16567907741Recording device and adjustment method of recording device
16577907740Electrostatic ultrasonic transducer drive control method, electrostatic ultrasonic transducer, ultrasonic speaker using the same, audio signal reproduction method, ultra-directional acoustic system, and display device
16587903829Microphone
16597903500Device for localizing acoustic sources and measuring their intensities
16607899197Electrostatic transducer, driving circuit of capacitive load, method for setting circuit constant, ultrasonic speaker, display device and directional acoustic system
16617899196Digital microphone
16627894769Wireless microphone communication system
16637894616Condenser microphone employing wide band stop filter and having improved resistance to electrostatic discharge
16647889882Selectable diaphragm condenser microphone
16657889878Speaker array apparatus and method for setting audio beams of speaker array apparatus
16667889873Microphone aperture
16677881480System for detecting and reducing noise via a microphone array
16687876914Processing audio data
16697873175Multiplexed microphone signals with multiple signal processing paths
16707870393Steganographic method and device
16717869611Test tone determination method and sound field correction apparatus
16727869608Electronic device accessory
16737864970Voltage supply circuit and microphone unit
16747864969Adaptive amplifier circuitry for microphone array

2010

16757856283Digital microphone interface, audio codec and methods for use therewith
16767848534Sound system, method for controlling the sound system, and sound equipment
16777848532Condenser microphone
16787848529Broadside small array microphone beamforming unit
16797844063Hearing and apparatus with compensation of acoustic and electromagnetic feedback signals
16807840013Microphone array with physical beamforming using omnidirectional microphones
16817835531Microphone system
16827831053System and method for matching microphones
16837826625Method and apparatus for frame-based loudspeaker equalization
16847826624Speakerphone self calibration and beam forming
16857826623Handsfree system for use in a vehicle
16867822213System and method for estimating speaker's location in non-stationary noise environment
16877817806Sound pickup method and apparatus, sound pickup and reproduction method, and sound reproduction apparatus
16887817805System and method for steering the directional response of a microphone to a moving acoustic source
16897817804Acoustic measuring system for locating noise sources
16907809145Ultra small microphone array
16917804971Electrostatic ultrasonic transducer, ultrasonic speaker and display device
16927804968Condenser microphone
16937804963Method and device for comparing signals to control transducers and transducer control system
16947803050Tracking device with sound emitter for use in obtaining information for controlling game program execution
16957801321Condenser microphone
16967796768Variable alignment loudspeaker system
16977792313High precision beamsteerer based on fixed beamforming approach beampatterns
16987787642Low-power high-PSRR current-mode microphone pre-amplifier system and method
16997787641Sound reproducing system for use with multiple rooms
17007787638Method for reproducing natural or modified spatial impression in multichannel listening
17017787636Filtering a microphone signal to remove noise components generated by a disk drive
17027783062Automatic audio distortion control method and apparatus
17037783061Methods and apparatus for the targeted sound detection
17047783060Deconvolution methods and systems for the mapping of acoustic sources from phased microphone arrays
17057778426Feedback suppression in sound signal processing using frequency translation
17067778425Method for generating noise references for generalized sidelobe canceling
17077773761Method and apparatus to generate an audio beam with high quality
17087769190Audio signal processing circuit and a display device incorporating the same
17097764801Directional microphone array system
17107760891Focused hypersonic communication
17117760887Updating modeling information based on online data gathering
17127760248Selective sound source listening in conjunction with computer interactive processing
17137756279Microphone preamplifier
17147756278Ultra-directional microphones
17157751575Microphone system for communication devices
17167747295Earphone jack for eliminating power noise in mobile communication terminal, and operating method thereof
17177747029Screen for playing audible signals by demodulating ultrasonic signals having the audible signals
17187734054Acoustic apparatus, connection polarity determination method, and recording medium
17197720236Updating modeling information based on offline calibration experiments
17207711127Apparatus, method and program for processing acoustic signal, and recording medium in which acoustic signal, processing program is recorded
17217706558Automated system for adjusting line array speakers
17227706551Dynamic volume control
17237706549Broadside small array microphone beamforming apparatus
17247702408Extending digital rights management and authentication to audio speakers
17257702118Electret condenser microphone for noise isolation and electrostatic discharge protection
17267697702Condenser microphone
17277697701Environment adaptable loudspeaker
17287688987Electret microphone buffer circuit with significantly enhanced power supply rejection
17297688986Loudspeaker system
17307688985Automatic microphone matching
17317684571System and method of generating an audio signal
17327680287Directional setting apparatus, directional setting system, directional setting method and directional setting program
17337680286Sound field measurement device
17347668320Sound reproduction in portable electronic equipment
17357646876System and method for stereo operation of microphones for video conferencing system

2009

17367634096Amplifier circuit for capacitive transducers
17377630505Loudspeaker system
17387630504Microphone comprising integral multi-level quantizer and single-bit conversion means
17397630503Detecting acoustic echoes using microphone arrays
17407630502Method for optimal microphone array design under uniform acoustic coupling constraints
17417630501System and method for calibration of an acoustic system
17427627129Apparatus and method for suppressing feedback
17437623669Simplified amplifier providing sharing of music with enhanced spatial presence through multiple headphone jacks
17447620189Polarization voltage setting of microphones
17457616768Vehicle accessory microphone having mechanism for reducing line-induced noise
17467616767Method and device for determining acoustical transfer impedance
17477602927Guitar amplifier with channel-dedicated power switching
17487599705Wireless transmitter and hearing system
17497599505Condenser microphone
17507599502Sound control installation
17517596230Method for detection of ultrasound in a listening device with two or more microphones, and listening device with two or more microphones
17527587058Method and device for matching the phases of microphone signals of a directional microphone of a hearing aid
17537587056Small array microphone apparatus and noise suppression methods thereof
17547587055Sound collection system
17557587054Audio system based on at least second-order eigenbeams
17567580762Microphone with ultrasound/audible mixing chamber to secure audio path
17577580532Multi-channel pulse width modulation apparatus
17587577266Systems and methods for interference suppression with directional sensing patterns
17597574011Detection device
17607567678Microphone array method and system, and speech recognition method and system using the same
17617561701Method and apparatus for identifying the direction of incidence of an incoming audio signal
17627561700Auto-adjust noise canceling microphone with position sensor
17637558156Acoustic location and enhancement
17647548626Detection and control of diaphragm collapse in condenser microphones
17657542813Rapidly optimized wireless microphone system and method for controlling thereof
17667542578Condenser microphone
17677542577Input sound processor
17687532543Acoustic signal generating apparatus
17697526094Normalization and calibration of microphones in sound-intensity probes
17707525376Power amplifier with output voltage compensation
17717522737Microphones with equal sensitivity
17727522736Systems and methods for microphone localization
17737519187Array speaker system
17747519186Noise reduction systems and methods for voice applications
17757515721Self-descriptive microphone array
17767512245Method for detection of own voice activity in a communication device
17777509180Extending digital rights management and authentication to audio speakers
17787505600Processor control of an audio transducer
17797502481Microphone with ultrasound/audible mixing chamber to secure audio path
17807502479Method for analyzing an acoustical environment and a system to do so
17817499557Driving method of speaker and the driving circuit thereof
17827499554Electronic devices, methods, and computer program products for detecting noise in a signal based on autocorrelation coefficient gradients
17837492914Audio receiving system
17847492911Noise reducing device
17857492908Sound localization system based on analysis of the sound field
17867489791A/D converter with integrated biasing for a microphone
17877489788Recording a three dimensional auditory scene and reproducing it for the individual listener
17887489784Automatic sound field correcting device and computer program therefor
17897477751Method and apparatus for sound transduction with minimal interference from background noise and minimal local acoustic radiation
17907477750Signal delay time measurement device and computer program therefor
17917475014Method and system for tracking signal sources with wrapped-phase hidden markov models
17927474755Automatic microphone equalization in a directional microphone system with at least three microphones

2008

17937471987Determining location of an audience member having a portable media monitor
17947471798Microphone array having a second order directional pattern
17957463743Electronic driving circuit for directing an audio signal selectively to one of two speakers
17967460677Directional microphone array system
17977454023Audio processing arrangement with multiple sources
17987453770Method for directional location and locating system
17997447318System for using digital signal processing to compensate for power compression of loudspeakers
18007443990Voltage biased capacitor circuit for a loudspeaker
18017436967Apparatus and method of limiting power applied to a loudspeaker
18027428309Analog preamplifier measurement for a microphone array
18037415117System and method for beamforming using a microphone array
18047415116Method and system for improving communication in a vehicle
18057409065Apparatus and method for detecting sound direction
18067394907System and process for sound source localization using microphone array beamsteering
18077391877Spatial processor for enhanced performance in multi-talker speech displays
18087391873Microphone with voltage pump
18097391872Parametric audio system
18107386135Cardioid beam with a desired null based acoustic devices, systems and methods
18117379553Sound source search system
18127376236Piezoelectric film sonic emitter
18137372967Microphone bias circuit
18147366310Microphone array diffracting structure
18157366309Robot
18167366308Sound pickup device, specially for a voice station
18177362873Miniature condenser microphone and fabrication method therefor
18187359523Fluidic acoustic transducer
18197359520Directional audio signal processing using an oversampled filterbank
18207356151Microphone system
18217352873Electret-condenser microphone
18227346176Auto-adjust noise canceling microphone with position sensor
18237340073Hearing aid and operating method with switching among different directional characteristics
18247340070Voice-data processing circuit and voice-data processing method
18257340068Device and method for detecting wind noise
18267340067Wave signal processing system and method
18277336794High efficiency driver for miniature loudspeakers
18287333622Dynamic binaural sound capture and reproduction
18297330557Hearing aid, method, and programmer for adjusting the directional characteristic dependent on the rest hearing threshold or masking threshold
18307327848Visualization of spatialized audio
18317321661Current feedback system for improving crossover frequency response
18327319772Speaker device for improving mid/high-range frequencies
18337317804Sound collecting device minimizing electrical noise
18347316059Method of manufacturing an ultrasonic probe

2007

18357313243Sound pickup method and system with sound source tracking
18367305095System and process for locating a speaker using 360 degree sound source localization
18377301647Method for regulating shape of floatation surface of slider floating above record carrier
18387298856Chip microphone and method of making same
18397295675Phantom powered capacitor microphone and a method of using a vacuum tube in the same
18407289638Electroacoustic microphone
18417288934Electronic device incorporating magnetoresistive elements for sensing both N and S magnetic poles
18427274794Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in single wave sound environment
18437272073Method and device for generating information relating to the relative position of a set of at least three acoustic transducers
18447269263Method of broadband constant directivity beamforming for non linear and non axi-symmetric sensor arrays embedded in an obstacle
18457266501Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process
18467260229Position sensor for a loudspeaker
18477254241System and process for robust sound source localization
18487251336Acoustic talker localization
18497245728Microphone for hearing aid and communications applications having switchable polar and frequency response characteristics
18507245726Noise canceling microphone system and method for designing the same
18517236599Generating separate analog audio programs from a digital link
18527227960Robot and controlling method of the same
18537224809Method for the acoustic localization of persons in an area of detection
18547221766Microphone input buffer biasing circuit
18557218741System and method for adaptive multi-sensor arrays
18567215785Passive sound telemetry system and method and operating toy using the same
18577206418Noise suppression for a wireless communication device
18587203323System and process for calibrating a microphone array
18597187775Audio signal recording apparatus
18607184559System and method for audio telepresence
18617181400Method and apparatus to provision a network appliance
18627181026Post-processing scheme for adaptive directional microphone system with noise/interference suppression
18637181021Apparatus for acoustically improving an environment
18647174022Small array microphone for beam-forming and noise suppression
18657171008Reducing noise in audio systems
18667171007Signal processing system
18677167569Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance
18687162043Microphone array sound source location system with imaging overlay
18697158646Signal derived bias supply for electrostatic loudspeakers
18707158645Orthogonal circular microphone array system and method for detecting three-dimensional direction of sound source using the same

2006

18717155022Electromagnetic feedback reduction in communication device
18727155019Adaptive microphone matching in multi-microphone directional system
18737155017System and method for controlling audio signals for playback
18747151836Speaker apparatus and sound reproduction apparatus
18757149317CMOS high impedance circuit
18767146016Miniature condenser microphone and fabrication method therefor
18777146014MEMS directional sensor system
18787146013Microphone system
18797146012Audio processing arrangement with multiple sources
18807146011Steering of directional sound beams
18817142677Directional sound acquisition
18827136495Loudspeaker device
18837136494Vehicle accessory microphone assembly having a windscreen with hydrophobic properties
18847133530Microphone arrays for high resolution sound field recording
18857130434Microphone PCB with integrated filter
18867130431Vehicle accessory microphone
18877127071System and process for robust sound source localization
18887123727Adaptive close-talking differential microphone array
18897120262Directional-microphone and method for signal processing in same
18907120261Vehicle accessory microphone
18917116791Microphone array system
18927113607Low frequency feedback controlled audio system
18937113605System and process for time delay estimation in the presence of correlated noise and reverberation
18947113604Apparatus and method for matching the response of microphones in magnitude and phase
18957110560Electret condensor microphone preamplifier that is insensitive to leakage currents at the input
18967110552Personal listening device for arena events
18977099481Method and system for automatically detecting and powering PC speakers
18987098865Beam forming array of transducers
18997092539MEMS based acoustic array
19007092538Switched microphone buffer
19017092536System for transducer compensation based on ambient conditions
19027092535Environment adaptable loudspeaker
19037091893Loudspeaker control circuit
19047089648Method for fabricating a magnetoresistive head
19057089069Method and apparatus for reconstruction of soundwaves from digital signals
19067088831Real-time audio source separation by delay and attenuation compensation in the time domain
19077085390Method for controlling multi-mode audio gain balance
19087082204Electronic devices, methods of operating the same, and computer program products for detecting noise in a signal based on a combination of spatial correlation and time correlation
19097076072Systems and methods for interference-suppression with directional sensing patterns
19107076070Monolithic class D amplifier
19117076069Method of generating an electrical output signal and acoustical/electrical conversion system
19127068797Microphone circuits having adjustable directivity patterns for reducing loudspeaker feedback and methods of operating the same
19137068796Ultra-directional microphones
19147065221Speaker apparatus
19157065220Microphone array having a second order directional pattern
19167062839Method of manufacturing thin-film magnetic head
19177058190Acoustic signal enhancement system
19187058186Loudspeaker device
19197058184Acoustic measurement method and apparatus
19207054452Signal processing apparatus and signal processing method
19217050594Sound control unit and sound system
19227046815Microphone
19237046812Acoustic beam forming with robust signal estimation
19247043434Integrated speech synthesizer with an automatic identification of speaker connections and identification method used thereof
19257043313Clock system capable of synchronizing clock frequencies of power processing devices and digital signal processing devices
19267043028Method and system for using an audio transducer as both an input and output device in full duplex operation
19277039202Microphone unit
19287039200System and process for time delay estimation in the presence of correlated noise and reverberation
19297039199System and process for locating a speaker using 360 degree sound source localization
19307039198Acoustic source localization system and method
19317035416Microphone array apparatus
19327035415Method and device for acoustic echo cancellation combined with adaptive beamforming
19337031478Method for noise suppression in an adaptive beamformer
19347031476Method and apparatus for intelligent speaker
19357027603Ear level noise rejection voice pickup method and apparatus
19367024007Electric signal processing of electroacoustic transducer
19377020291Noise reduction method with self-controlling interference frequency
19387020290Method and apparatus for picking up sound
19397020289Remote control interface for replacement vehicle stereos
19407013012Method for processing sound effects in a notebook computer
19417010131Quasi-differential power amplifier and method
19427010129Method and device for operating voice-controlled systems in motor vehicles
19437006639Active noise-attenuating duct element
19446999593System and process for robust sound source localization
19456987856Binaural signal processing techniques
19466985594Voice-to-remaining audio (VRA) interactive hearing aid and auxiliary equipment

2005

19476968065Multiple function, bi-directional input/output interface for sound processing system
19486963649Noise cancelling microphone
19496959095Method and apparatus for providing multiple output channels in a microphone
19506954745Signal processing system
19516950528Method and apparatus for suppressing an acoustic interference signal in an incoming audio signal
19526947570Method for analyzing an acoustical environment and a system to do so
19536947567Audio boost circuit
19546944302Sound reproducing system
19556940981Apparatus and method of limiting power applied to a loudspeaker
19566934397Method and device for signal separation of a mixed signal
19576931138Zoom microphone device
19586931135Frequency dependent excursion limiter
19596930957Method for directional location and locating system
19606928177Speaker-use protection element and speaker device
19616928176Switching circuit built in IC for earphone and loudspeaker of portable information device
19626928173Capacitor microphone
19636914991Parametric audio amplifier system
19646898161Sound control circuit for a digital audiovisual reproduction system
19656895095Method of eliminating interference in a microphone
19666873709Method and apparatus for filtering and compressing sound signals
19676873708Method and apparatus to simulate rotational sound
19686868045Voice control system with a microphone array
19696865274Loudspeaker production system having frequency band selective audio power control
19706862636Multi-mode speaker operating from either digital or analog sources
19716851952Karaoke device with built-in microphone and microphone therefor
19726842528Microphone mount
19736842525Signal amplification circuit and process for neutralizing noise from a power supply voltage

2004

19746831986Feedback cancellation in a hearing aid with reduced sensitivity to low-frequency tonal inputs
19756826284Method and apparatus for passive acoustic source localization for video camera steering applications
19766823073Directional microphone assembly
19776816009Circuit and method for a transimpedance audio amplifier providing variable gain while maintaining load impedance
19786810125Microphone emulation
19796807281Loudspeaker and method of driving the same as well as audio signal transmitting/receiving apparatus
19806807279MFB speaker system with controllable speaker vibration characteristic
19816801632Microphone assembly for vehicular installation
19826795558Microphone array apparatus
19836792118Computation of multi-sensor time delays
19846788791Delay network microphones with harmonic nesting
19856778814Wireless microphone apparatus and transmitter device for a wireless microphone
19866778673Tunable active sound absorbers
19876775387Three-step ramped reference to reduce popping noises on audio circuit
19886775386Microphone attached remote controller
19896775385Loudspeaker frequency distribution and adjusting circuit
19906771781Variable damping circuit for a loudspeaker
19916768803Method and apparatus for selective acoustic signal filtering
19926766029Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus
19936763113Speaker driving circuit
19946760450Microphone array apparatus
19956760449Microphone array system
19966757394Microphone array
19976751323Electroacoustic apparatus having ringing signal generation means capable of producing a subjective bass perception
19986750770Transponder with a changeable circuit configuration
19996748088Method and device for operating a microphone system, especially in a motor vehicle
20006748086Cabin communication system without acoustic echo cancellation
20016741873Background noise adaptable speaker phone for use in a mobile communication device
20026741708Acoustic system comprised of components connected by wireless
20036740805Sound system and method for creating a sound event based on a modeled sound field
20046731347Method for switching signal input based on device capability
20056725109Sound generator circuit system and method
20066721426Speaker device
20076718040Transformer, loudspeaker device, loudspeaker network, and loudspeaker system
20086717537Method and apparatus for minimizing latency in digital signal processing systems
20096707910Detection of the speech activity of a source
20106702584Karaoke device with built-in microphone and microphone therefor
20116694035System for conveying musical beat information to the hearing impaired
20126694028Microphone array system
20136687380Active sub-woofer speaker system
20146687187Method for directional location and locating system
20156683964Direction finder
20166681020Microphone circuit with mute and keep alive function
20176678381Ultra-directional speaker
20186675125Statistics generator system and method
20196674865Automatic volume control for communication system
20206674690Acoustic transducer damping method

2003

20216668062FFT-based technique for adaptive directionality of dual microphones
20226665411DVE system with instability detection
20236654468Apparatus and method for matching the response of microphones in magnitude and phase
20246650756Method and apparatus for characterizing audio transmitting system, and method and apparatus for setting characteristics of audio filter
20256650755Voice-to-remaining audio (VRA) interactive center channel downmix
20266647120Loudspeaker protection circuit responsive to temperature of loudspeaker driver mechanism
20276639994Loudspeaker having adjustable motor strength
20286639986Built-in microphone device
20296628791Signal derived bias supply for electrostatic loudspeakers
20306625287Enhancing automatic noise reduction using negative output resistance
20316618485Microphone array
20326608906Cooling fan control strategy for automotive audio system
20336608904Method and apparatus for canceling interference in a loudspeaker communication path through adaptive discrimination
20346608903Sound field reproducing method and apparatus for the same
20356603858Multi-strategy array processor
20366600824Microphone array system
20376597241High performance audio transmission channel
20386594198Digital signal demodulator calibration system and method for optical hydrophones
20396590984Sound quality regulation apparatus
20406584205Modulator processing for a parametric speaker system
20416584204Loudspeaker system with feedback control for improved bandwidth and distortion reduction
20426584203Second-order adaptive differential microphone array
20436580797Amplifier circuit for electret microphone with enhanced performance
20446574346Bass reproduction speaker apparatus
20456566960High back-EMF high pressure subwoofer having small volume cabinet low frequency cutoff and pressure resistant surround
20466564072Radio telecommunication terminal
20476563929Woofer having ornamental flashing lights
20486549630Signal expander with discrimination between close and distant acoustic source
20496549629DVE system with normalized selection
20506549627Generating calibration signals for an adaptive beamformer
20516549586System and method for dual microphone signal noise reduction using spectral subtraction
20526535610Directional microphone utilizing spaced apart omni-directional microphones
20536535609Cabin communication system
20546529869Process and electric appliance for optimizing acoustic signal reception
20556526148Device and method for demixing signal mixtures using fast blind source separation technique based on delay and attenuation compensation, and for selecting channels for the demixed signals
20566526147Microphone array with high directivity
20576522756Method for shaping the spatial reception amplification characteristic of a converter arrangement and converter arrangement
20586520776Portable karaoke microphone device and karaoke apparatus
20596516069Microphone filter and microphone unit
20606516066Apparatus for detecting direction of sound source and turning microphone toward sound source
20616507659Microphone apparatus for producing signals for surround reproduction
20626504937Amplifier circuit for electret microphone with enhanced performance
20636504926User control system for internet phone quality

2002

20646498859Microphone mount
20656487529Audio processing device, receiver and filtering method for filtering a useful signal and restoring it in the presence of ambient noise
20666480824Method and apparatus for canceling noise in a microphone communications path using an electrical equivalence reference signal
20676449593Method and system for tracking human speakers
20686449216Method for directional location and locating system
20696448846Controlled phase-canceling circuits/systems
20706445804Ultra-directional speaker system and speaker system drive method
20716444892Sound system and method for creating a sound event based on a modeled sound field
20726442278Voice-to-remaining audio (VRA) interactive center channel downmix
20736427015Power supply for microphone
20746418231High back EMF, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
20756408079Distortion removal apparatus, method for determining coefficient for the same, and processing speaker system, multi-processor, and amplifier including the same
20766396933High-fidelity and high-efficiency analog amplifier combined with digital amplifier
20776384550Speaker and drive device therefor
20786373956Method and arrangement for attenuating mechanical resonance in a loudspeaker
20796370253Sound reproducing device
20806353670Actively control sound transducer

2001

20816327370Hearing aid having plural microphones and a microphone switching system
20826317703Separation of a mixture of acoustic sources into its components
20836317501Microphone array apparatus
20846285769Force balance microphone
20856282296Audio reproducing apparatus
20866271780Gain ranging analog-to-digital converter with error correction
20876267600Microphone and receiver for automatic accompaniment
20886266424Electret microphone circuit with low battery disable
20896266410Speakerphone and microphone case for the same
20906239348Sound system and method for creating a sound event based on a modeled sound field
20916233548Method and apparatus for performing level compensation for an input signal
20926226386Microphone
20936222928Universal impedance matcher for a microphone-to-radio connection
20946218883Semiconductor integrated circuit for electric microphone
20956201680Adjustable high-speed audio transducer protection circuit
20966194810Piezoelectric or similar transducer device with an oscillating circuit excitable by a control circuit
20976192134System and method for a monolithic directional microphone array
20986181796Method and system which drives left, right, and subwoofer transducers with multichannel amplifier having reduced power supply requirements

2000

20996165980Distamycin derivatives, process for preparing them, and their use as antitumor and antiviral agents
21006163613Low-distortion loudspeaker
21016160894Speaker apparatus and sound reproduction system employing same
21026160757Antenna formed of a plurality of acoustic pick-ups
21036148088Speaker system
21046141415Method and apparatus for detecting speech at a near-end of a communications system, a speaker-phone system, or the like
21056137890Lumped parameter resonator of a piezoelectric speaker
21066137887Directional microphone system
21076130954High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
21086130949Method and apparatus for separation of source, program recorded medium therefor, method and apparatus for detection of sound source zone, and program recorded medium therefor
21096122609Method and device for the optimized processing of a disturbing signal during a sound capture
21106122385Sound reproduction apparatus with stable feedback
21116122383Device for reducing noise
21126111960Circuit, audio system and method for processing signals, and a harmonics generator
21136108426Audio power management
21146104818Microphone circuit
21156104817Speaker and amplifier system
21166091812Apparatus and method for automatically switching a headset between a telephone and a second audio source
21176088459Loudspeaker system with simulated baffle for improved base reproduction
21186084973Digital and analog directional microphone
21196072881Microphone noise rejection system
21206069961Microphone system
21216069960Connector device for information-handling apparatus and connector device for stereophonic audio/video apparatus
21226069958Listening apparatus for remote wildlife sound acquistion
21236064860Wireless transmission and reception system
21246058195Adaptive controller for actuator systems
21256055417System for using a microphone in an object at a sporting event
21266049607Interference canceling method and apparatus
21276041127Steerable and variable first-order differential microphone array
21286041126Noise cancellation system
21296028946Microphone with associated amplifier
21306023514System and method for factoring a merged wave field into independent components
21316016704Electromechanic transducer with integrated pressure sensor

1999

21326005953Circuit arrangement for improving the signal-to-noise ratio
21336002776Directional acoustic signal processor and method therefor
21345982906Noise suppressing transmitter and noise suppressing method
21355978490Directivity controlling apparatus
21365974433High speed M-sequence generator and decoder circuit
21375969838System for attenuation of noise
21385953408Telephone including an electromechanical transducer, method of adapting the frequency response of such a transducer and method of coding a melody
21395949897Sound reproduction device with active noise compensation
21405940520Power circuit for condenser microphone
21415940518Method and apparatus for indicating speaker faults
21425940118System and method for steering directional microphones
21435937074High back emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
21445933506Transmitter-receiver having ear-piece type acoustic transducing part
21455930373Method and system for enhancing quality of sound signal
21465917921Noise reducing microphone apparatus
21475909499Speaker with magnetic structure for damping coil displacement
21485886656Digital microphone device
21495862237Speaker apparatus

1998

21505848170Acoustic antenna for computer workstation
21515844997Method and apparatus for locating the origin of intrathoracic sounds
21525838804Apparatus and method for providing proper microphone DC bias current and load resistance for a telephone
21535835607Mobile radiotelephone with handsfree device
21545828768Multimedia personal computer with active noise reduction and piezo speakers
21555828767Inductive braking in a dual coil speaker driver unit
21565825897Noise cancellation apparatus
21575818949Microphone with infared on/off switch
21585818948Architecture for a universal serial bus-based PC speaker controller
21595815578Method and apparatus for canceling leakage from a speaker
21605812686Device for active simultation of an acoustical impedance
21615812683Headphone jack extended outlet
21625812598Hearing assist system employing time variant modulation transmission to hearing aid
21635809156Sound reproduction device with active noise compensation
21645799042Wireless digital communication system, a radio apparatus, a digital speaker, and a digital speaker controlling apparatus
21655778082Method and apparatus for localization of an acoustic source
21665774791Low power wireless communication system employing magnetic control zones
21675774562Method and apparatus for dereverberation
21685774557Autotracking microphone squelch for aircraft intercom systems
21695771300Loudspeaker phase distortion control using velocity feedback
21705771297Electronic audio device and method of operation
21715768601Apparatus for eliminating audio noise when power is cycled to a computer
21725764781Speaker and amplifier system
21735760825Sound pickup system comprising a video system for the setting of parameters and setting method
21745757937Acoustic noise suppressor
21755754667Audio filter with magnetic field cancellation
21765754665Noise Canceler
21775751822Ambient noise suppression circuit
21785751818Circuit system for switching loudspeakers
21795748753High power audio subwoofer
21805748725Telephone set with background noise suppression function
21815740256Adaptive noise cancelling arrangement, a noise reduction system and a transceiver
21825737433Sound environment control apparatus
21835734729Apparatus for eliminating audio noise when power is cycled to a computer
21845732143Noise cancellation apparatus
21855729611Loudspeader overload protection
21865721784Asymmetrical driver for asymmetrical loudspeakers
21875715321Noise cancellation headset for use with stand or worn on ear
21885715319Method and apparatus for steerable and endfire superdirective microphone arrays with reduced analog-to-digital converter and computational requirements
21895708354Portable electromagnetic acoustic transducer pulser controller

1997

21905701352Tone suppression automatic gain control for a headset
21915694474Adaptive filter for signal processing and method therefor
21925692059Two active element in-the-ear microphone system
21935692057Wireless electronic power defeat techniques
21945684882System for selective sound capture for reverberant and noisy environment
21955675658Active noise reduction headset
21965675655Sound input apparatus
21975675296Capacitive-component reducing circuit in electrostatic-type transducer means
21985673325Noise cancellation apparatus
21995664014Two-way communications earset
22005657393Beamed linear array microphone system
22015649019Digital apparatus for reducing acoustic feedback
22025649015Speaker simulator
22035647005Pitch and rate modifications of audio signals utilizing differential mean absolute error
22045633935Stereo ultradirectional microphone apparatus
22055629987Loudspeaker system with closed housing for improved bass reproduction
22065627799Beamformer using coefficient restrained adaptive filters for detecting interference signals
22075625698Loudspeaker and design methodology
22085625697Microphone selection process for use in a multiple microphone voice actuated switching system
22095615229Short range inductively coupled communication system employing time variant modulation
22105606607Two-way communications earset
22115602962Mobile radio set comprising a speech processing arrangement
22125600727Determination of position
22135600718Apparatus and method for adaptively precompensating for loudspeaker distortions
22145596648Infrared audio transmitter system
22155594494Moving picture coding apparatus
22165592559Speaker driving circuit

1996

22175590094System and methd for reproducing sound
22185588065Bass reproduction speaker apparatus
22195586191Adjustable filter for differential microphones
22205581480Method and apparatus for mixing multiple channels of sampled digital audio using a non-linear clipping function
22215579046Voice filter system for a video camera
22225577126Overload protection circuit for transducers
22235568559Sound processing apparatus
22245568516Very low power cordless headset system
22255563954Microphone apparatus
22265561737Voice actuated switching system
22275550925Sound processing device
22285550508Phase inverter selection apparatus for tone alteration in a tube-type audio amplifier
22295548654Infrared audio transmitter system
22305548650Speaker excursion control system
22315548335Dual directional microphone video camera having operator voice cancellation and control
22325546458Handsfree communication apparatus
22335544250Noise suppression system and method therefor
22345542001Smart amplifier for loudspeaker motional feedback derived from linearization of a nonlinear motion responsive signal
22355539859Method of using a dominant angle of incidence to reduce acoustic noise in a speech signal
22365539832Multi-channel signal separation using cross-polyspectra
22375537479Dual-driver bass speaker with acoustic reduction of out-of-phase and electronic reduction of in-phase distortion harmonics
22385533134Motional feedback loudspeaker apparatus having a coupling member for connecting a voice coil bobbin with a detecting coil bobbin
22395528695Predictive protection arrangement for electroacoustic transducer
22405526433Tracking platform system
22415524059Sound acquisition method and system, and sound acquisition and reproduction apparatus
22425524056Hearing aid having plural microphones and a microphone switching system
22435521886Diaphragm for use with an electro-acoustic transducer and method of producing the same
22445521635Voice filter system for a video camera
22455519781Self damping speaker matching device and method
22465515445Long-time balancing of omni microphones
22475515432Method and apparatus for volume and intelligibility control for a loudspeaker
22485506908Directional microphone system
22495500903Method for vectorial noise-reduction in speech, and implementation device
22505490219Noise canceling microphone with visual feedback
22515483599Directional microphone system
22525483367Transmitting and receiving apparatus for a radio headphone
22535481617Loudspeaker arrangement with frequency dependent amplitude regulation
22545479813Sensor matching through real-time output compensation

1995

22555473702Adaptive noise canceller
22565473701Adaptive microphone array
22575473684Noise-canceling differential microphone assembly
22585471538Microphone apparatus
22595467393Method and apparatus for volume and intelligibility control for a loudspeaker
22605463893Sensor matching through real-time output compensation
22615461676Device for improving bass reproduction in loudspeaker system with closed housings
22625459792Audio input circuit for voice recognition
22635448637Two-way communications earset
22645444785Echo attaching circuit and audio device using the same
22655440642Analog noise cancellation system using digital optimizing of variable parameters
22665438625Arrangement to correct the linear and nonlinear transfer behavior or electro-acoustical transducers
22675432859Noise-reduction system
22685427102Active noise cancellation apparatus in MRI apparatus
22695422956Sound parameter controller for use with a microphone
22705416846Noise control system and method
22715412734Apparatus and method for reducing acoustic feedback
22725408533Motional feedback speaker system with radially polarized magnet and underhung voice-coil
22735398287Voice activated multiple microphone electroacoustic amplifier system
22745394472Monaural to stereo sound translation process and apparatus
22755381485Active sound control systems and sound reproduction systems
22765381473Noise cancellation apparatus

1994

22775377273Batteryless power supply for transducers
22785373563Self damping speaker matching device
22795367506Sound collecting system and sound reproducing system
22805347587Speaker driving device
22815332928Battery drain reducer
22825327504Device to improve the bass reproduction in loudspeaker systems using closed housings
22835323257Microphone and microphone system
22845303307Adjustable filter for differential microphones
22855297210Microphone actuation control system
22865289355Portable lighted microphone
22875280543Acoustic apparatus and driving apparatus constituting the same

1993

22885270633Ternary energy supply circuit with a high frequency rejection filter
22895267321Active sound absorber
22905260920Acoustic space reproduction method, sound recording device and sound recording medium
22915259035Automatic microphone mixer
22925251264Mechanical-vibration-cancelling piezo ceramic microphone
22935243661Microphone apparatus
22945243660Directional microphone system
22955226087Microphone apparatus
22965218642Feedback noise-eliminating microphone circuit
22975218641Wireless receiver
22985216723Permanent magnet transducing
22995214707Control system for controlling equipment provided inside a vehicle utilizing a speech recognition apparatus
23005208864Method of detecting acoustic signal
23015208786Multi-channel signal separation
23025206912Power amplifier adapter
23035197104Electrodynamic loudspeaker with electromagnetic impedance sensor coil
23045197102Audio power amplifier system with frequency selective damping factor controls
23055193117Microphone apparatus
23065191619Bass enhancing device for a speaker system
23075191616Acoustic apparatus
23085189705Audio equipment
23095181252High compliance headphone driving

1992

23105170435Waveguide electroacoustical transducing
23115164984Hands-free telephone assembly
23125161198Mobile radio audio system
23135159641Microphone circuit control mechanism for breathing apparatus
23145148491Automatic mixer apparatus
23155138663Method and apparatus for performing noise cancelling and headphoning
23165134659Method and apparatus for performing noise cancelling and headphoning
23175131047Noise suppressor
23185118309Minimum wire interface for multiple accessories
23195109422Acoustic apparatus
23205109410Two-line, hands-free telephone system
23215103190Driving apparatus, and control information storage body and protection circuit therefor
23225097513Speaker system enclosure integrated with amplifier circuit board
23235086473Feedback system for a sub-woofer loudspeaker

1991

23245068903Method of and arrangement for linearizing the frequency response of a loudspeaker system
23255058171Microphone arrangement
23265058170Array microphone
23275051964Virtual microphone apparatus and method
23285051799Digital output transducer
23295050214Remote control circuit
23305046103Noise reducing system for voice microphones
23315046101Audio dosage control system
23325036228Temperature compensation circuit for negative impedance driving apparatus
23335031221Dynamic loudspeaker driving apparatus
23345029215Automatic calibrating apparatus and method for second-order gradient microphone
23355027393Voice conference system using echo cancellers
23365014320Driving apparatus, and control information storage body and protection circuit therefor
23375012890Acoustic apparatus
23385009281Acoustic apparatus
23395007104Speaker switching device
23405004066Acoustic apparatus
23415001774Stereo headphone remote control circuit
23424998281Effect addition apparatus
23434987601Acoustic apparatus
23444987564Acoustic apparatus
23454984087Microphone apparatus for a video camera

1990

23464980920Negative impedance driving apparatus having temperature compensation circuit
23474969195Impedance compensation circuit in a speaker driving system
23484956867Adaptive beamforming for noise reduction
23494955059Speaker power matching method and apparatus
23504953655Acoustic apparatus
23514953212Auto voice changing apparatus
23524949384Driving apparatus
23534944020Temperature compensation circuit for negative impedance driving apparatus
23544943956Driving apparatus
23554939781Device for eliminating absolute polarity inversion in a high-fidelity sound reproduction system
23564933921Signal reproducing apparatus
23574922542Headphone comfort
23584899388Infrared stereo speaker system

1989

23594888807Variable pattern microphone system
23604887298Electronic circuit for sensing disconnect or failure of a power output sense line in an audio power system
23614882773Audio microphone system with digital output and volume control feedback input
23624881123Voice override and amplitude control circuit
23634876459Toggling speakerswitch
23644868870Servo-controlled amplifier and method for compensating for transducer nonlinearities
23654868401Method and means for measuring distance of a moving object from a fixed point of reference
23664864627Microphone mixer with gain limiting and proportional limiting
23674864624Piezoelectric loudspeaker with thermal protection
23684862278Video camera microphone with zoom variable acoustic focus
23694860370Magnetically suspended acoustical speaker
23704860366Teleconference system using expanders for emphasizing a desired signal with respect to undesired signals
23714829571Headphone
23724829500Portable wireless sound reproduction system
23734827458Sound surge detector for alerting headphone users
23744821328Sound reproducing system with Hall effect motional feedback
23754817153Method and apparatus for transforming a monaural signal into stereophonic signals
23764811309Microphone probe for acoustic measurement in turbulent flow
23774807051Image pick-up apparatus with sound recording function
23784805221Construction of sound converter in sound guide, especially for loudspeakers, for example speaker boxes
23794802227Noise reduction processing arrangement for microphone arrays

1988

23804777649Acoustic feedback control of microphone positioning and speaking volume
23814775766Tapped transformer/switch assembly
23824769843Stereo signal reproducing system
23834752961Microphone arrangement
23844750208Audio-band electromechanical vibration converter
23854742548Unidirectional second order gradient microphone
23864741038Sound location arrangement
23874733193Arrangement for eliminating signal hum
23884727584Loudspeaker with motional feedback
23894723294Noise canceling system
23904720665Signal transducer

1987

23914703506Directional microphone apparatus
23924696043Microphone apparatus having a variable directivity pattern
23934675906Second order toroidal microphone
23944672674Communications systems
23954654546Electromechanical film and procedure for manufacturing same
23964653102Directional microphone system
23974653087Stereo interface telephone ring detector
23984644581Headphone with sound pressure sensing means

1986

23994622440Differential hearing aid with programmable frequency response
24004609784Loudspeaker with motional feedback
24014608506Temperature compensated drive for a piezoelectric displacement generator
24024597100Ultra high resolution loudspeaker system
24034592088Speaker apparatus
24044589137Electronic noise-reducing system
24054586195Microphone range finder
24064583245Speaker system protection circuit
24074581758Acoustic direction identification system
24084573189Loudspeaker with high frequency motional feedback

1985

24094559642Phased-array sound pickup apparatus
24104550430Sound reproducing system utilizing motional feedback and an improved integrated magnetic structure
24114541112Electroacoustic transducer system
24124538296Sound inhibitor for audio transducers
24134536887Microphone-array apparatus and method for extracting desired signal
24144528691Alternating variable delay control arrangement and method for push-pull audio transducers
24154521908Phased-array sound pickup apparatus having no unwanted response pattern
24164495638Audio-band electro-mechanical vibration converter
24174494074Feedback control

1984

24184490770Overload protection of loudspeakers
24194490683Electronic control switch for a power boost amplifier
24204489442Sound actuated microphone system
24214488012MFB Loudspeaker
24224485484Directable microphone system
24234475233Resistively damped loudspeaker system
24244473811Single bobbin transformer having multiple delink windings and method of making same
24254462112Speaker system
24264455675Headphoning
24274451710Precisely stabilized piezoelectric receiver
24284442323Microphone with vibration cancellation

1983

24294420655Circuit to compensate for deficit of output characteristics of a microphone by output characteristics of associated other microphones
24304412097Variable-directivity microphone device
24314406920Monitor ampliphones
24324399327Variable directional microphone system
24334396800Microphone switching device
24344395588MFB system with a by-pass network
24354393353Negative feedback amplifying circuit having voltage negative feedback and current negative feedback circuits
24364387270Method of harmonizing the impedances of an audio amplifier and loudspeaker interconnected therewith
24374382159Blow actuated microphone
24384371750Microphone and remote control system
24394369412Audio amplifier

1982

24404363934Volume control device
24414359602Multiple input audio program system
24424357492Automatic microphone mixing apparatus
24434354067Audio-band electromechanical vibration converter
24444354059Variable-directivity microphone device
24454337383Earphone jack for tape recorders
24464335274Sound reproduction system
24474334740Receiving system having pre-selected directional response
24484330686Loudspeaker systems
24494328573Precision phonocartridge interface
24504327250Dynamic speaker equalizer
24514313090Car-mounted audio equipment

1981

24524308425Variable-directivity microphone device
24534303836Audio silencer for radio and T-V sets
24544301330Loudspeaker protection circuit
24554296278Loudspeaker overload protection circuit
24564287389High-fidelity speaker system
24574281221Condenser microphone
24584276443Sound reproducing system utilizing motional feedback and velocity-frequency equalization
24594276442Protective circuit
24604257067Sound enhancement system for television receivers
24614256923Sound reproducing system utilizing motional feedback and integrated magnetic structure
24624249225Magnetic field transducer systems
24634245136Monitor ampliphones
24644243839Transducer with flux sensing coils

1980

24654239938Multiple input signal digital attenuator for combined output
24664236118Stabilized remote sensing high fidelity apparatus
24674229618High-fidelity speaker with negative feedback
24684227049Audio system for isolating sounds from individual components of drum set-up for selectively mixing
24694224470Headset with limiter circuit
24704219789Stereo headphone adapter
24714215241Sound operated control device
24724207442Driver circuit for electrostatic transducers
24734207430Optical motional feedback
24744201886Plural concentric moving coil speaker with push-pull voltage follower direct coupling
24754195360Signal processing circuit
24764182930Detection and monitoring device

1979

24774180706Loudspeaker motional feedback system
24784177431Loudspeaker-cable interface
24794176305Galvano magnetic position control system
24804175242Circuit arrangement for the automatic frequency control of an ultrasonic transducer
24814173740Speaker protection circuit
24824163119Protective circuit for electroacoustic transducer with hall element and voice coil temperature rise time constant circuit
24834149032Priority mixer control
24844145571Loudspeaker enclosure with acoustically coupled loudspeaker damper
24854139734Pivoted loudspeaker enclosure with visual indicator of optimum listening position

1978

24864130725Split-coil speaker with direct coupling
24874127743Muting circuit for loudspeaker
24884122507Loudspeaker overload circuit
24894118600Loudspeaker lower bass response using negative resistance and impedance loading
24904113983Input filtering apparatus for loudspeakers
24914100380Supervisory circuit for monitoring speaker coils
24924099025Methods and means for avoiding false indications of activity in a multimicrophone system
24934093822Loudspeaker protection circuit
24944092494Loud-speaker enclosure with electrical feed-back
24954090032Control system for audio amplifying system having multiple microphones
24964088836Acoustically responsive signal injection system for headphone users
24974087633Dereverberation system
24984087631Projected sound localization headphone apparatus
24994085365Earphone adapter for aircraft radios
25004085299Peak amplitude protection system for ribbon loudspeakers
25014084474Selective high frequency compression device for speaker system
25024079197Voice transcoder in helium atmosphere
25034074070Supersonic signal linearizes loudspeaker operation

1977

25044054751Masking noise generator
25054045748Audio control system
25064039750Audio frequency phase modulator in hearing test system
25074037222Supervision of transducers
25084035672Acoustic transducer with a dual purpose piezoelectric element
25094034268Speaker protection circuit
25104024535Sound generating system for a sound masking package
25114023070Electrical circuit for audio services
25124021614Woofer equalizer
25134021611Electronic hearing apparatus
25144013845Temperature compensating reproducing system

1976

25154000370Line level microphone with built in limiter
25163997724Loudspeaker drive mechanism monitoring assembly
25173995113Two-way acoustic communication through the ear with acoustic and electric noise reduction
25183992585Self-energizing electrostatic loudspeaker system
25193992584Automatic microphone mixer
25203989963Control circuits for piezo electric transducers
25213944754Record disc recording system with signal amplitude controlled by stylus arm position
25223943411Overload protection and display circuit, particularly for sound radiators
25233941932Loudspeaker having a voice coil and a piezoelectric feedback transducer
25243937887Acoustic power system
25253934158Switching circuit
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017