СПИСОК патентов США - подгруппа МПК16 H04R5/00


Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2017

19609452Obtaining sparseness information for higher order ambisonic audio renderers
29608584Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
39602943Audio processing method and audio processing apparatus
49602932Resource manager
59602918Stream caching for audio mixers
69596554Methods circuits devices systems and associated computer executable code for acquiring acoustic signals
79595267Method and apparatus for decoding an audio signal
89595266Audio encoding/decoding device using reverberation signal of object audio signal
99591425Parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder
109590581System and method for reduction of signal distortion
119584944Stereo decoding method and apparatus using group delay and group phase parameters
129584942Determination of head-related transfer function data from user vocalization perception
139584929Method and processing unit for adaptive wind noise suppression in a hearing aid system and a hearing aid system
149584916Stereo microphone device
159584914Method for automatic activation and deactivation of a binaural hearing system and binaural hearing system
169584899Sharing of custom audio processing parameters
179583113Audio compression using vector field normalization
189578435Apparatus and method for enhanced spatial audio object coding
199570083Stereo audio encoder and decoder
209560465Digital audio filters for variable sample rates
219560464System and method for producing head-externalized 3D audio through headphones
229560442Portable sound system
239554211Wireless speaker unit
249552820Apparatus and method for processing multi-channel audio signal using space information
259549275System and tools for enhanced 3D audio authoring and rendering
269544706Customized head-related transfer functions
279544705Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources
289542951Method and an apparatus for processing an audio signal

2016

299532158Reflected and direct rendering of upmixed content to individually addressable drivers
309532157Audio processing for mono signals
319532149Method of signal processing in a hearing aid system and a hearing aid system
329530419Encoding of stereophonic signals
339525958Multidimensional virtual learning system and method
349522330Three-dimensional audio sweet spot feedback
359521501Loudness adjustment for downmixed audio content
369516418Sound field spatial stabilizer
379516417Boundary binaural microphone array
389514757Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal decoding method
399510127Method and apparatus for generating an audio output comprising spatial information
409510124Parametric binaural headphone rendering
419510098Method for recording and reconstructing three-dimensional sound field
429503831Audio playback method and apparatus
439502042Apparatus for processing an audio signal and method thereof
449497562Sound field control apparatus and method
459489957Audio encoder and decoder
469489953Directional coding conversion
479485600Audio system, audio signal processing device and method, and program
489484039Method and an apparatus for processing an audio signal
499484038Apparatus and method for merging geometry-based spatial audio coding streams
509484008Method and apparatus for down-mixing of a multi-channel audio signal
519479888Methods and apparatus for implementing sound events
529479871Method, medium, and system synthesizing a stereo signal
539478224Audio processing system
549478223Method and apparatus for down-mixing multi-channel audio
559473870Loudspeaker position compensation with 3D-audio hierarchical coding
569473813System and method for providing immersive surround environment for enhanced content experience
579467793Systems, methods, and apparatus for recording three-dimensional audio and associated data
589466303Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value
599466302Coding of spherical harmonic coefficients
609462405Apparatus and method for generating panoramic sound
619462387Audio system and method of operation therefor
629462384Nomadic device for controlling one or more portable speakers
639460725Method, medium, and apparatus encoding and/or decoding extension data for surround
649460724Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value
659456289Converting multi-microphone captured signals to shifted signals useful for binaural signal processing and use thereof
669454971Method and apparatus for compressing and decompressing a higher order ambisonics signal representation
679451378Method and apparatus to reproduce multi-channel audio signal in multi-channel speaker system
689451363Method and apparatus for playback of a higher-order ambisonics audio signal
699449615Externally estimated SNR based modifiers for internal MMSE calculators
709445199Method and apparatus for determining dominant sound source directions in a higher order Ambisonics representation of a sound field
719445197Signal processing for a headrest-based audio system
729445187Method and an apparatus for processing an audio signal
739443524Stereo decoding method and apparatus
749439019Sound signal processing method and apparatus
759439004Method for operating a binaural hearing system and a binaural hearing system
769437210Audio signal processing
779437198Decoding device, decoding method, encoding device, encoding method, and program
789432790Real-time sound propagation for dynamic sources
799432237VOIP device, VOIP conferencing system, and related method
809426595Signal processing apparatus, signal processing method, and storage medium
819426574Automatic audio source switching
829420394Panning presets
839420381Multimedia playing apparatus and method for outputting modulated sound according to hearing characteristic of user
849418668Matrix encoder with improved channel separation
859414966Metal earpad
869414171Binaural hearing assistance system comprising a database of head related transfer functions
879414166Wireless peripheral hub device
889412385Performing spatial masking with respect to spherical harmonic coefficients
899408010Audio system and method therefor
909407994Direct drive micro hearing device
919402145Wireless speaker system with distributed low (bass) frequency
929401152System for maintaining reversible dynamic range control information associated with parametric audio coders
939401151Parametric encoder for encoding a multi-channel audio signal
949398394System and method for stereo field enhancement in two-channel audio systems
959397771Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
969396732Hierarchical deccorelation of multichannel audio
979396717Systems and methods for reducing unwanted sounds in signals received from an arrangement of microphones
989386390Information processing apparatus and sound processing method
999384741Binauralization of rotated higher order ambisonics
1009380398Sound processing apparatus, method, and program
1019380380Acoustic transducer and interface circuit
1029378747Method and apparatus for layout and format independent 3D audio reproduction
1039372251System for spatial extraction of audio signals
1049369803Apparatus and method for removing noise
1059369801Wireless speaker system with noise cancelation
1069369164Method, medium, and system decoding and encoding a multi-channel signal
1079363618Method and device for controlling speaker array sound field based on quadratic residue sequence combinations
1089357326Embedding data in stereo audio using saturation parameter modulation
1099357324Device and method for optimizing stereophonic or pseudo-stereophonic audio signals
1109357323Method and apparatus for audio matrix decoding
1119357305Apparatus for generating an enhanced downmix signal, method for generating an enhanced downmix signal and computer program
1129351074Audio system and audio characteristic control device
1139351073Enhanced stereo playback
1149349378Haptic signal synthesis and transport in a bit stream
1159344827Method and apparatus for audio output, and electronic device
1169344826Method and apparatus for communicating with audio signals having corresponding spatial characteristics
1179344824Method and apparatus for conversion of a multi-channel audio signal into a two-channel audio signal
1189338573Matrix decoder with constant-power pairwise panning
1199338554Sound system for establishing a sound zone
1209332370Method and apparatus for using spatial audio rendering for a parallel playback of call audio and multimedia content
1219332365Stereo device testing method and stereo device testing system
1229332360Compression and mixing for hearing assistance devices
1239332349Sound image localization apparatus
1249326086Neural induced enhancement of audio signals
1259319821Method, an apparatus and a computer program for modification of a composite audio signal
1269319819Binaural rendering method and apparatus for decoding multi channel audio
1279317458System for converting a signal
1289313576Data transmitting apparatus, data receiving apparatus, data transceiving system, data transmitting method, and data receiving method
1299312971Apparatus and method for transmitting audio object
1309307338Upmixing method and system for multichannel audio reproduction
1319305556Apparatus and method for encoding and decoding multi-channel audio signal
1329301051Digital audio distribution
1339288603Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
1349288602Stereo extension apparatus and method
1359288601Broad sound loudspeaker system
1369288590Hearing device and method of low power operation thereof
1379288587Wireless binaural compressor
1389286879Localization of a wireless user equipment (UE) device based on out-of-hearing band audio signatures for ranging
1399282408Processing method and processing apparatus for stereo audio output enhancement
1409282406Digital microphone with frequency booster
1419277343Enhanced stereo playback with listener position tracking
1429277321Device discovery and constellation selection
1439271080Audio spatialization and environment simulation
1449271076Enhanced stereophonic audio recordings in handheld devices
1459264812Apparatus and method for localizing a sound image, and a non-transitory computer readable medium
1469258635Control cord for headsets and auxiliary devices
1479253585Speaker apparatus
1489253571Hearing apparatus for binaural supply and method for providing a binaural supply
1499253570Crossover based canalphone system
1509247371Sound processing apparatus
1519247369Method for enlarging a location with optimal three-dimensional audio perception
1529245530Apparatus, method and computer program for providing one or more adjusted parameters for provision of an upmix signal representation on the basis of a downmix signal representation and a parametric side information associated with the downmix signal representation, using an average value
1539241222Binaural compressor preserving directional cues
1549237400Concealment of intermittent mono reception of FM stereo radio receivers
1559232336Head related transfer function generation apparatus, head related transfer function generation method, and sound signal processing apparatus
1569232312Multi-channel audio enhancement system
1579230556Voice instructions during navigation

2015

1589226089Signal generation for binaural signals
1599226078Acoustic transducers
1609219974Method and apparatus for simultaneously controlling near sound field and far sound field
1619218818Efficient and scalable parametric stereo coding for low bitrate audio coding applications
1629215544Optimization of binaural sound spatialization based on multichannel encoding
1639197978Sound reproduction apparatus and sound reproduction method
1649197977Audio spatialization and environment simulation
1659197964Amplifier unit and mobile electronic device provided with the amplifier unit
1669197963Broad sound field loudspeaker system
1679185508Multidimensional virtual learning system and method
1689185507Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components
1699183839Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues
1709173843Crystalline active ingredient microparticles, method for producing the same and use thereof in drugs
1719167367Optimized low-bit rate parametric coding/decoding
1729167358Method for the binaural left-right localization for hearing instruments
1739165558System for dynamically creating and rendering audio objects
1749161152Multidimensional virtual learning system and method
1759161148Signal processing apparatus and method for providing 3D sound effect
1769159330Rate controller, rate control method, and rate control program
1779159326MDCT-based complex prediction stereo coding
1789154896Audio spatialization and environment simulation
1799154878Interconnected speaker system
1809154877Collaborative sound system
1819154876Apparatus and method for generating an acoustic radiation pattern
1829153919Audio jack with EMI shielding
1839148740Method and apparatus for reproducing stereophonic sound
1849143864Audio playback system
1859143862Correlation based filter adaptation
1869143861Wireless audio player and speaker system
1879137618Multi-dimensional processor and multi-dimensional audio processor system
1889137617Correlation parameter transmitting in an encoding apparatus and decoding apparatus
1899137604Audio processing apparatus
1909137603Spatial audio
1919135921Audio coding device and method
1929135797Audio detection using distributed mobile computing
1939131305Configurable three-dimensional sound system
1949131298Constrained dynamic amplitude panning in collaborative sound systems
1959130683Silence based attenuation for enhanced idle-channel FM or other receiver co-existence with a coexisting radio and circuits, processes, and systems
1969124996Apparatus and method for reproducing a sound field with a loudspeaker array controlled via a control volume
1979124978Speaker array apparatus, signal processing method, and program
1989124971Audio signal processing circuit for reducing zero crossing distortion and method thereof
1999124966Image generation for collaborative sound systems
2009124963Hearing apparatus having an adaptive filter and method for filtering an audio signal
2019123329Method and apparatus for generating sideband residual signal
2029123324Non-linear post-processing control in stereo acoustic echo cancellation
2039118999Equalization of speaker arrays
2049118991Reducing head-related transfer function data volume
2059113280Method and apparatus for reproducing three-dimensional sound
2069111530MDCT-based complex prediction stereo coding
2079111529Method for encoding/decoding an improved stereo digital stream and associated encoding/decoding device
2089111528Matrix decoder for surround sound
2099107023N surround
2109107018System and method for sound reproduction
2119105265Stereo coding method and apparatus
2129105264Coding apparatus and decoding apparatus
2139100768Method and device for decoding an audio soundfield representation for audio playback
2149100765Audio enhancement module for portable media player
2159100752Acoustic transducers with bend limiting member
2169100734Systems, methods, apparatus, and computer-readable media for far-field multi-source tracking and separation
2179100039System, medium, and method of encoding/decoding multi-channel audio signals
2189094752Apparatus and method for generating directional sound
2199094751Headphone apparatus and audio driving apparatus thereof
2209094743Acoustic transducers
2219094496System and method for stereophonic acoustic echo cancellation
2229093063Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
2239088855Vector-space methods for primary-ambient decomposition of stereo audio signals
2249088854Acoustic control apparatus
2259088844Sound image localization control apparatus
2269087511Method, medium, and system for generating a stereo signal
2279084058Sound field calibration using listener localization
2289084047Portable sound system
2299084044Electronic device having multi-directional adjustable speaker
2309082395Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding
2319078077Estimation of synthetic audio prototypes with frequency-based input signal decomposition
2329078076Sound system
2339078067Sounder assembly for explosive environment
2349078065System and method for displaying sound as vibrations
2359078058Applications for a two-way wireless speaker system
2369078055Localization of a wireless user equipment (UE) device based on single beep per channel signatures
2379071920Binaural decoder to output spatial stereo sound and a decoding method thereof
2389071919Apparatus and method for encoding and decoding spatial parameter
2399070358Parametric encoding and decoding
2409065576System, apparatus and method for transmitting continuous audio data
2419064488Stereo encoding method, stereo encoding device, and encoder
2429064392Method and system for awareness detection
2439064062Circuits and methods to reduce pin count of a single channel device with a multi-channel serial interface
2449060236Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer program and bitstream using a distortion control signaling
2459058803Multichannel audio stream compression
2469055381Multi-way analysis for audio processing
2479055371Controllable playback system offering hierarchical playback options
2489055358Speaker device
2499053700Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
2509049516Method and apparatus for controlling distribution of spatial sound energy
2519049509Stereo microphone
2529047861Electronic device for converting audio file format
2539042560Sparse audio
2549042559Apparatus for processing an audio signal and method thereof
2559042558Decoding apparatus, decoding method, encoding apparatus, encoding method, and editing apparatus
2569042557Method and apparatus for reproducing three-dimensional sound field
2579036843Enhanced spatialization system
2589036823Method and apparatus for a binaural hearing assistance system using monaural audio signals
2599031242Simulated surround sound hearing aid fitting system
2609025777Audio signal decoder, audio signal encoder, encoded multi-channel audio signal representation, methods and computer program
2619025776Decorrelating audio signals for stereophonic and surround sound using coded and maximum-length-class sequences
2629025775Apparatus and method for adjusting spatial cue information of a multichannel audio signal
2639025774Apparatus, method and computer-readable medium producing vertical direction virtual channel
2649020152Enabling 3D sound reproduction using a 2D speaker arrangement
2659014379Method of initializing a binaural hearing aid system and a hearing aid
2669014378Enhancing the reproduction of multiple audio channels
2679014377Multichannel surround format conversion and generalized upmix
2689008318Audio signal processing device
2698989881Apparatus and method for writing onto an audio CD, and audio CD
2708989393Decoding device and decoding method
2718983079Stereo microphone
2728976972Processing of sound data encoded in a sub-band domain
2738976971Method and apparatus for adjusting channel delay parameter of multi-channel signal
2748976970Apparatus and method for bandwidth extension for multi-channel audio
2758971542Systems and methods for speaker bar sound enhancement
2768964994Encoding of multichannel digital audio signals
2778964993Systems and methods for enhancing audio content
2788964992Psychoacoustic interface
2798964010Display device and method of outputting audio signal
2808958588Hearing aid and detection device
2818958585Sound image localization apparatus
2828958583Spatially constant surround sound system
2838958582Apparatus and method of reproducing surround wave field using wave field synthesis based on speaker array
2848958571MIC covering detection in personal audio devices
2858958566Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
2868958565Apparatus for controlling depth/distance of sound and method thereof
2878958564Device and method for improving stereophonic or pseudo-stereophonic audio signals
2888953819Method and apparatus for focusing sound using array speaker
2898953810Synchronization in a bilateral auditory prosthesis system
2908948406Signal processing method, encoding apparatus using the signal processing method, decoding apparatus using the signal processing method, and information storage medium
2918948405Binaural multi-channel decoder in the context of non-energy-conserving upmix rules
2928948404Apparatus and method encoding/decoding with phase information and residual information
2938948403Method of processing signal, encoding apparatus thereof, decoding apparatus thereof, and signal processing system
2948942980Method of navigating in a sound content
2958942380Method for generating a downward-compatible sound format
2968930197Apparatus and method for encoding and reproduction of speech and audio signals
2978929558Audio signal of an FM stereo radio receiver by using parametric stereo
2988929557Sound image control device and sound image control method
2998929556Audio-signal processing device and method for processing audio signal

2014

3008924204Method and apparatus for wind noise detection and suppression using multiple microphones
3018917875Method for driving loudspeakers
3028917874Method and apparatus for decoding an audio signal
3038913757Enhanced spatialization system with satellite device
3048908874Spatial audio encoding and reproduction
3058908873Method and apparatus for conversion between multi-channel audio formats
3068897459Two-way audio communication system with reduced ground noise
3078897454Sound zooming apparatus and method synchronized with moving picture zooming function
3088892450Signal clipping protection using pre-existing audio gain metadata
3098892432Signal processing system, apparatus and method used on the system, and program thereof
3108891778Speech enhancement
3118891777Hearing aid with signal enhancement
3128891776Decoding of multichannel audio encoded bit streams using adaptive hybrid transformation
3138891774Acoustic signal processing apparatus, processing method therefor, and program
3148885839Signal processing method and apparatus
3158885838Method of processing a signal in a hearing aid, a method of fitting a hearing aid and a hearing aid
3168885837Implantable medical device
3178885836Decorrelator for upmixing systems
3188885834Methods and devices for reproducing surround audio signals
3198880413Binaural spatialization of compression-encoded sound data utilizing phase shift and delay applied to each subband
3208880411Critical sampling encoding with a predictive encoder
3218879762Method and apparatus to evaluate quality of audio signal
3228879743Ear models with microphones for psychoacoustic imagery
3238879742Apparatus for determining a spatial output multi-channel audio signal
3248879741Speaker array apparatus and sound beam control method
3258873762System and method for efficient sound production using directional enhancement
3268873761Audio signal processing device and audio signal processing method
3278867753Apparatus, method and computer program for upmixing a downmix audio signal
3288867752Reconstruction of multi-channel audio data
3298867751Method, medium, and system encoding/decoding a multi-channel audio signal, and method medium, and system decoding a down-mixed signal to a 2-channel signal
3308867750Surround sound virtualizer and method with dynamic range compression
3318867749Acoustic spatial projector
3328861757Apparatus and method for calculating driving coefficients for loudspeakers of a loudspeaker arrangement and apparatus and method for providing drive signals for loudspeakers of a loudspeaker arrangement based on an audio signal associated with a virtual source
3338861751Audio processing apparatus
3348861739Apparatus and method for generating a multichannel signal
3358855322Loudness maximization with constrained loudspeaker excursion
3368855321Method for processing audio signal and broadcasting output apparatus using the same
3378855320Apparatus for determining a spatial output multi-channel audio signal
3388855319Audio signal processing apparatus and audio signal processing method
3398848927Recorder that creates stereophonic sound
3408848926Apparatus and method for restoring multi-channel audio signal using HE-AAC decoder and MPEG surround decoder
3418848925Method, apparatus and computer program product for audio coding
3428843378Multi-channel synthesizer and method for generating a multi-channel output signal
3438842842Detection of audio channel configuration
3448839342Audio video system with embedded wireless host and wireless speakers
3458837743Surround sound system and method therefor
3468831255Augmented reality (AR) audio with position and action triggered virtual sound effects
3478831232Anti-noise earmuff device with Bluetooth module and audio signal processor
3488831231Audio signal processing device and audio signal processing method
3498824690Apparatus and method for processing multi-channel audio signal using space information
3508824689Apparatus for determining a spatial output multi-channel audio signal
3518824688Apparatus and method for generating audio output signals using object based metadata
3528818539Audio encoding device, audio encoding method, and video transmission device
3538817992Multichannel audio coder and decoder
3548817991Advanced encoding of multi-channel digital audio signals
3558811622Dual setting method for a hearing system
3568811621Parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder
3578805561Audio user interface with audio cursor
3588804971Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
3598804969Method and apparatus for outputting sound source signal by using virtual speaker
3608804967Method for encoding and decoding multi-channel audio signal and apparatus thereof
3618798275Signal synthesizing
3628798274Acoustic apparatus, acoustic adjustment method and program
3638792666Acoustic apparatus
3648792647Circuit device for providing a three-dimensional sound system
3658787585Method and system for frequency domain active matrix decoding without feedback
3668787584Audio metrics for head-related transfer function (HRTF) selection or adaptation
3678781134Method and apparatus for encoding and decoding stereo audio
3688781133Apparatus for generating a multi-channel audio signal
3698775192Two-wire digital audio interface
3708774418Multi-channel down-mixing device
3718774417Surround audio compatibility assessment
3728767971Sound pickup apparatus and sound pickup method
3738767970Audio panning with multi-channel surround sound decoding
3748767969Process for removing voice from stereo recordings
3758767968System and method for high-precision 3-dimensional audio for augmented reality
3768761405Narrow directional stereo microphone
3778756066Methods and apparatuses for encoding and decoding object-based audio signals
3788755531Audio system and method of operation therefor
3798755530Method for multi-channel processing in a multi-channel sound system
3808750524Audio signal processing device and audio signal processing method
3818744101System for controlling the primary lobe of a hearing instrument's directional sensitivity pattern
3828744089Method and apparatus for encoding and decoding stereo audio
3838744088Method, medium, and apparatus decoding an input signal including compressed multi-channel signals as a mono or stereo signal into 2-channel binaural signals
3848737653Noise reduction system for hearing assistance devices
3858737627Electronic device and decoding method of audio data thereof
3868731204Device and method for generating a multi-channel signal or a parameter data set
3878724834Acoustic user interface system and method for providing spatial location data
3888724820Method of reproducing audio signals and playback apparatus therefor
3898718930Acoustic navigation method
3908718537Communication system
3918718285Decoding device, coding and decoding device, and decoding method
3928717748Audio jack for portable computing device
3938712771Automated difference recognition between speaking sounds and music
3948712064Signal processing device, signal processing method and program
3958712061Phase-amplitude 3-D stereo encoder and decoder
3968712060Method and an apparatus for processing an audio signal
3978712059Apparatus for merging spatial audio streams
3988705780Audio apparatus, audio signal transmission method, and audio system
3998705752Low frequency noise reduction circuit architecture for communications applications
4008705751Compression and mixing for hearing assistance devices
4018705750Device and method for converting spatial audio signal
4028705749Audio signal transformatting
4038705748Method for spatially processing multichannel signals, processing module, and virtual surround-sound systems
4048699717Audio amplifier performance while maintaining USB compliance and power down protection
4058699716Conference device and method for multi-point communication
4068693706Pseudo bass generating apparatus
4078693697Matrix encoder with improved channel separation
4088693696Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation
4098687815Method and audio system for processing multi-channel audio signals for surround sound production
4108681997Adaptive beamforming for audio and data applications
4118675899Front surround system and method for processing signal using speaker array
4128675881Estimation of synthetic audio prototypes
4138675880Device for and a method of processing data
4148666081Apparatus for processing a media signal and method thereof
4158666080Method for processing a multi-channel audio signal for a binaural hearing apparatus and a corresponding hearing apparatus
4168665321Image display apparatus and method for operating the same
4178660281Method and system for a multi-microphone noise reduction
4188660280Methods and apparatus for providing a distinct perceptual location for an audio source within an audio mixture
4198660271Stereo image widening system
4208654985Stereo compatible multi-channel audio coding
4218654984Processing stereophonic audio signals
4228654983Audio coding
4238649523Methods and systems using a compensation signal to reduce audio decoding errors at block boundaries
4248644972Temporal and spatial shaping of multi-channel audio signals
4258638948Multi-channel audio signal processing
4268638947Angle-dependent operating device or method for generating a pseudo-stereophonic audio signal
4278638946Method and apparatus for creating spatialized sound
4288638945Apparatus and method for encoding/decoding signal
4298638170Single supply headphone driver/charge pump combination
4308634577Audio decoder
4318634564Signal processing device and method, and a program
4328625820Amplifier circuit audio circuit and electronic device
4338625811Method and apparatus for encoding and decoding stereo signal and multi-channel signal
4348625810Apparatus and method for encoding/decoding signal
4358625808Methods and apparatuses for encoding and decoding object-based audio signals

2013

4368620673Audio decoding method and audio decoder
4378620012Apparatus and method for providing stereo effect in portable terminal
4388620009Virtual sound source positioning
4398620008Method and an apparatus for processing an audio signal
4408619999Audio decoding method and apparatus
4418615088Method and an apparatus for processing an audio signal using preset matrix for controlling gain or panning
4428611550Apparatus for determining a converted spatial audio signal
4438611547Apparatus and method for restoring multi-channel audio signal using HE-AAC decoder and MPEG surround decoder
4448611546Method and apparatus for remotely switching noise reduction modes in a radio system
4458611545Surround generation apparatus
4468605915Class G audio amplifiers and associated methods of operation
4478605914Nonlinear filter for separation of center sounds in stereophonic audio
4488605912Biphase mark code decoder and method of operation
4498605911Efficient and scalable parametric stereo coding for low bitrate audio coding applications
4508605910Device and a method for determining a component signal with high accuracy
4518605909Method and device for efficient binaural sound spatialization in the transformed domain
4528600085Audio player with monophonic mode control
4538594336Sound image localization apparatus
4548588440Sweet spot manipulation for a multi-channel signal
4558588427Apparatus and method for extracting an ambient signal in an apparatus and method for obtaining weighting coefficients for extracting an ambient signal and computer program
4568582780Configurable recursive digital filter for processing television audio signals
4578577046Apparatus for estimating sound source direction from correlation between spatial transfer functions of sound signals on separate channels
4588577045Apparatus and method for encoding a multi-channel audio signal
4598565455Multiple display systems with enhanced acoustics experience
4608565451Audio signal output device
4618559653Multi-channel decoding systems capable of reducing noise and methods thereof
4628559644Apparatus for sound having multiples stereo imaging
4638553897Method and apparatus for directional acoustic fitting of hearing aids
4648553895Device and method for generating an encoded stereo signal of an audio piece or audio datastream
4658553894Active and passive directional acoustic radiating
4668553893Sound processing device, speaker apparatus, and sound processing method
4678553892Processing a multi-channel signal for output to a mono speaker
4688553891Low complexity parametric stereo decoder
4698553890Sound reproduction method and sound reproduction system
4708542839Audio processing apparatus and method of mobile device
4718538048Method and apparatus for compensating for near-field effect in speaker array system
4728538031Method for representing multi-channel audio signals
4738532802Graphic phase shifter
4748532306Method and an apparatus of decoding an audio signal
4758532305Diffusing acoustical crosstalk
4768526625Stereo microphone
4778526623Device and a method for determining a component signal with high accuracy
4788521313Method and apparatus for processing a media signal
4798520871Method of and device for generating and processing parameters representing HRTFs
4808520858Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources
4818520857Head-related transfer function measurement method, head-related transfer function convolution method, and head-related transfer function convolution device
4828515106Methods and apparatus for providing an interface to a processing engine that utilizes intelligent audio mixing techniques
4838515105System and method for sound generation
4848515104Binaural filters for monophonic compatibility and loudspeaker compatibility
4858515083Methods for improved performance of prediction based multi-channel reconstruction
4868515082Method of and a device for generating 3D sound
4878509463Multi-mode sound reproduction system and a corresponding method thereof
4888503684Multi-channel audio signal decoding method and device
4898503682Head-related transfer function convolution method and head-related transfer function convolution device
4908498422Parametric multi-channel audio representation
4918498421Method for encoding and decoding multi-channel audio signal and apparatus thereof
4928494189Virtual sound source localization apparatus
4938494183Audio processing apparatus
4948494181Method for providing a mute control function for multiple microphones connected to a computer
4958489371Method and device for determining transfer functions of the HRTF type
4968488820Spatial audio processing method, program product, electronic device and system
4978488819Method and apparatus for processing a media signal
4988488798Matrix decoder
4998488797Method and an apparatus for decoding an audio signal
50084887963D audio renderer
5018483411Method and an apparatus for processing a signal
5028483396Method for the sound processing of a stereophonic signal inside a motor vehicle and motor vehicle implementing said method
5038483395Sound field reproduction apparatus and method for reproducing reflections
5048477952Audio system with feedback detection means
5058477951Front surround system and method of reproducing sound using psychoacoustic models
5068477950Home theater component for a virtualized home theater system
50784779492.1 crossover equalization in PC audio applications
5088472638Sound processing system for configuration of audio signals in a vehicle
5098472631Multi-channel audio enhancement system for use in recording playback and methods for providing same
5108463605Method and an apparatus for decoding an audio signal
5118457334Audio apparatus, audio signal transmission method, and audio system
5128457321Adaptive audio output
5138452018Apparatus and method for encoding/decoding multichannel signal using phase information
5148446533Television apparatus and method for controlling the same
5158442237Apparatus and method of reproducing virtual sound of two channels
5168428268Array speaker apparatus
5178428267Method and an apparatus for decoding an audio signal
5188422690Audio reproduction apparatus and control method for the same
5198422689System, apparatus, and method of speaker
5208422688Method and an apparatus of decoding an audio signal
5218417531Methods and apparatuses for encoding and decoding object-based audio signals
5228411883Loudspeaker apparatus and speaker system
5238407059Method and apparatus of audio matrix encoding/decoding
5248406429Sound separating apparatus
5258396242Sound receiver
5268396223Method and an apparatus for processing an audio signal
5278391521Audio reproduction apparatus and method
5288391500Method and system for creating three-dimensional spatial audio
5298391499Method and apparatus for enhancing auditory spatial perception
5308391498Stereophonic widening
5318385556Parametric stereo conversion system and method
5328379872Talk-through listening device channel switching
5338379868Spatial audio coding based on universal spatial cues
5348374882Parametric stereophonic audio decoding for coefficient correction by distortion detection
5358371417Headphones
5368369533Array speaker apparatus
5378369532Device for and a method of processing an audio signal
5388369531Audio reproducing apparatus and method thereof
5398363842Playback method and apparatus, program, and recording medium
5408355509Parametric joint-coding of audio sources
5418351622Audio mixing device
5428351612Apparatus for generating and playing object based audio contents
5438351611Method and apparatus for processing a media signal
5448346565Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program
5458345884Signal separation reproduction device and signal separation reproduction method
5468345883Audio playback method and apparatus using line array speaker unit

2012

5478340330Audio apparatus for wirelessly transmitting audio signal, audio system, and audio signal transmission method thereof
5488340322Acoustic processing device
5498340315Assembly, system and method for acoustic transducers
5508340313Wireless digital transmission of low frequency effects and surround channels for surround sound system
5518340306Parametric coding of spatial audio with object-based side information
5528340305Audio encoding method and device
5538340304Method and apparatus to generate spatial sound
5548340303Method and apparatus to generate spatial stereo sound
5558340302Parametric representation of spatial audio
5568331590Delay time calculation apparatus and method
5578331572Spatial audio
5588331570Method and system for enhancing bass effect in audio signals
5598330538Self-oscillating audio amplifier and method for restraining the improved self-oscillating audio amplifier
5608325929Binaural rendering of a multi-channel audio signal
5618320591ANR headphones and headsets
5628320590Device, method, program, and system for canceling crosstalk when reproducing sound through plurality of speakers arranged around listener
5638315418Sound receiver
5648315403Method for controlling directivity of loudspeaker apparatus and audio reproduction apparatus
5658315397Microphone device and portable recorder comprising same
5668315396Apparatus and method for generating audio output signals using object based metadata
5678311810Reduced delay spatial coding and decoding apparatus and teleconferencing system
5688311809Converting decoded sub-band signal into a stereo signal
5698311227Method and an apparatus for decoding an audio signal
5708306243Audio device
5718306234System for improving communication in a room
5728306232Digital audio stereo imager
5738306231Portable device with enhanced stereo image
5748300840Multiple superimposed audio frequency test system and sound chamber with attenuated echo properties
5758300833Multichannel spectral mapping audio apparatus and method with dynamically varying mapping coefficients
5768296158Methods and apparatuses for encoding and decoding object-based audio signals
5778295497Method for operating a binaural hearing system as well as a binaural hearing system
5788295496Audio signal processing
5798295494Enhancing audio with remixing capability
5808295493Method to generate multi-channel audio signal from stereo signals
5818290169Time shifted harmonics generator
5828290167Method and apparatus for conversion between multi-channel audio formats
5838284956Method and system for enhancing bass effect in audio signals
5848284946Binaural decoder to output spatial stereo sound and a decoding method thereof
5858280083Positioning of speakers in a 3D audio conference
5868271290Encoding and decoding of audio objects
5878270642Method and system for producing a binaural impression using loudspeakers
5888270618Compatible multi-channel coding/decoding
5898270617Method, medium, and apparatus encoding and/or decoding extension data for surround
5908270616Virtual surround for headphones and earbuds headphone externalization system
5918265321Method and apparatus for detecting a position of a pair of ear phones at a user
5928265284Method and apparatus for generating a binaural audio signal
5938260445Signal processing system, signal transmission apparatus, signal receiving apparatus, and program
5948259970Adaptive remastering apparatus and method for rear audio channel
5958259964Sound device
5968259952Vehicle entertainment system having ground noise reduction and method of operating the same
5978254612Sound system for portable electronic device
5988254604Array speaker system and method of implementing the same
5998254600Method and an apparatus for decoding an audio signal
6008254585Stereo coding and decoding method and apparatus thereof
6018254583Method and apparatus to reproduce stereo sound of two channels based on individual auditory properties
6028249283Three-dimensional acoustic panning device
6038243969Method of and device for generating and processing parameters representing HRTFs
6048243936Efficient and scalable parametric stereo coding for low bitrate audio coding applications
6058243935Sound image localization control apparatus
6068238590Automated audio source control based on audio output device placement detection
6078238589Objective quantification of auditory source width of a loudspeakers-room system
6088238562Diffuse sound shaping for BCC schemes and the like
6098238561Method for encoding and decoding multi-channel audio signal and apparatus thereof
6108238560Dialogue enhancements techniques
6118234122Methods and apparatuses for encoding and decoding object-based audio signals
6128233629Interaural time delay restoration system and method
6138229143Stereo expansion with binaural modeling
6148223993Signal conditioner for subwoofers
6158223977Sound receiver
6168223976Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation
6178218799Non-occluding audio headset positioned in the ear canal
6188218798Sound processor
6198218776Surge protection circuit for audio output device
6208218775Joint enhancement of multi-channel audio
6218218774Apparatus and method for processing continuous wave fields propagated in a room
6228213641Enhancing audio with remix capability
6238213623Method to generate an output audio signal from two or more input audio signals
6248213622Binaural sound localization using a formant-type cascade of resonators and anti-resonators
6258213621Method and device for controlling a reproduction unit using a multi-channel
6268208642Method and apparatus for a binaural hearing assistance system using monaural audio signals
6278208641Method and apparatus for processing a media signal
6288208639Audio output device and audio output method
6298204235Center channel positioning apparatus
6308204234Apparatus and method for generating binaural beat from stereo audio signal
6318200500Cue-based audio coding/decoding
6328199942Targeted sound detection and generation for audio headset
6338199940Audio reproduction system and speaker apparatus
6348199921Sound field controlling device
6358195318Method and an apparatus for processing an audio signal
6368195316Audio apparatus
6378194884Aligning time variable multichannel audio
6388194863Speaker system
6398194862Video game system with mixing of independent pre-encoded digital audio bitstreams
6408194861Scheme for generating a parametric representation for low-bit rate applications
6418194860Audio signal processing system and surround signal generation method
6428189827Multi-channel audio panel
6438189824Apparatus and method for controlling a plurality of speakers by means of a graphical user interface
6448189796Voice response system
6458189795Sound signal outputting device, sound signal outputting method, and computer-readable recording medium
6468184830Audio amplifier with simplified electrical isolation
6478184815Microphone unit for stereophonic recording
6488184814Audio signal processing method and system
6498180066Method and system for transmitting audio signals
6508180062Spatial sound zooming
6518180061Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding
6528175867Voice communication apparatus
6538175304Compact loudspeaker system
6548175303Electronic apparatus for vehicle, and method and system for optimally correcting sound field in vehicle
6558175287Sound device
6568175286Recording, synthesis and reproduction of sound fields in an enclosure
6578175283Sound analyzer based on a biomorphic design
6588175280Generation of spatial downmixes from parametric representations of multi channel signals
6598175279Integrated vehicle audio system
6608170222Augmented reality enhanced audio
6618170220Image sensing apparatus with selectably combinable microphone signals to obtain desired directivity
6628170218Multi-channel audio treatment system and method
6638169938Communication system for wireless audio devices
6648160889System for providing an acoustic signal with extended bandwidth
6658160280Apparatus and method for controlling a plurality of speakers by means of a DSP
6668160278Mixing system
6678160260Circuit and program for processing multichannel audio signals and apparatus for reproducing same
6688160259Audio signal processing apparatus, audio signal processing method, and program
6698155358Method of simultaneously establishing the call connection among multi-users using virtual sound field and computer-readable recording medium for implementing the same
6708155324Voice processor, voice processing method, program, and information recording medium
6718155323Method for improving spatial perception in virtual surround
6728150068Array speaker system
6738150060Surround sound outputting device and surround sound outputting method
6748150042Method, device, encoder apparatus, decoder apparatus and audio system
6758144880Audio amplifier capable of performing self-oscillation
6768144879Method, device, encoder apparatus, decoder apparatus and audio system
6778139775Concept for combining multiple parametrically coded audio sources
6788139774Multi-element directional acoustic arrays
6798139773Method and an apparatus for decoding an audio signal
6808135151Audio signal reproduction device and audio signal reproduction system
6818135137Sound image localization apparatus
6828135136Audio signal enhancement
6838130977Cluster of first-order microphones and method of operation for stereo input of videoconferencing system
6848130974Vehicular active sound control system
6858130966Method for performance measurement and optimization of sound systems using a sliding band integration curve
6868126172Spatial processing stereo system
6878126152Method and arrangement for a decoder for multi-channel surround sound
6888126151Audio signal processing circuit
6898121318Two channel audio surround sound circuit with automatic level control
6908121297Signal processing device and sound image orientation apparatus
6918116468Stereophonic sound reproduction device
6928116465Measuring apparatus and method, and recording medium
6938116460Efficient and scalable parametric stereo coding for low bitrate audio coding applications
6948116459Enhanced method for signal shaping in multi-channel audio reconstruction
6958116458Acoustic image localization apparatus, acoustic image localization system, and acoustic image localization method, program and integrated circuit
6968111845System having a pulse width modulation device
6978111844Semiconductor integrated circuit and condenser microphone
6988111830Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener
6998111099Multi-channel audio playback apparatus and method
7008107641Communication system and control method therefor, program, and storage medium
7018107635Auditory prosthesis, a method and a system for generation of a calibrated sound field
7028107632Digital signal processing apparatus, method thereof and headphone apparatus
7038107631Correlation-based method for ambience extraction from two-channel audio signals
7048103006Spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms
7058098830Method and apparatus for reducing noise in an audio signal
7068094836Multi-channel decoding systems capable of reducing noise and methods thereof
7078090116Vehicle directional electroacoustical transducing
7088090109Apparatus for processing audio signal and method thereof

2011

7098086331Reproduction apparatus, program and reproduction method
7108085940Rebalancing of audio
7118085939Stereophonic sound reproduction system for compensating low frequency signal and method thereof
7128081774Circuit for eliminating pop sounds at power on and off by a moderate waveform
7138081764Audio decoder
7148081762Controlling the decoding of binaural audio signals
7158078475Audio signal encoder and audio signal decoder
7168077881Sound device
7178073169Controlling fading and surround signal level
7188073144Stereo balance interpolation
7198069036Method and apparatus for processing audio for playback
7208068617Audio playback system
7218064624Method and apparatus for generating a stereo signal with enhanced perceptual quality
7228064608Audio decoding techniques for mid-side stereo
7238064607Method for producing more than two electric time signals from one first and one second electric time signal
7248060042Method and an apparatus for processing an audio signal
7258059830Audio system and method of use
7268059826Efficient and scalable parametric stereo coding for low bitrate audio coding applications
7278059824Joint sound synthesis and spatialization
7288059823Method and apparatus for enhancing auditory spatial perception
7298059822Method and device for actively correcting the acoustic properties of an acoustic space listening zone
7308054981Energy dependent quantization for efficient coding of spatial audio parameters
7318054980Apparatus and method for rendering audio information to virtualize speakers in an audio system
7328050433Apparatus and method to cancel crosstalk and stereo sound generation system using the same
7338045840Video-audio recording apparatus and method, and video-audio reproducing apparatus and method
7348045719Rendering center channel audio
7358045718Method for binaural synthesis taking into account a room effect
7368041060Surround-sound system
7378041043Processing microphone generated signals to generate surround sound
7388041042Method, system, apparatus and computer program product for stereo coding
7398041041Method and system for providing stereo-channel based multi-channel audio coding
7408041040Sound image control apparatus and sound image control method
7418036390Scalable encoding device and scalable encoding method
7428036389Apparatus and method of canceling vocal component in an audio signal
7438032385Method for correcting metadata affecting the playback loudness of audio information
7448031883Crosstalk cancellation system with sound quality preservation and parameter determining method thereof
7458031876Audio system
7468027494Acoustic image creation system and program therefor
7478027480Multichannel spectral mapping audio apparatus and method
7488027479Binaural multi-channel decoder in the context of non-energy conserving upmix rules
7498027478Method and system for sound source separation
7508027477Systems and methods for audio processing
7518027476Sound reproduction apparatus and sound reproduction method
7528023660Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues
7538019350Audio coding using de-correlated signals
7548019087Stereo signal generating apparatus and stereo signal generating method
7558019086Stereo synthesizer using comb filters and intra-aural differences
7568015018Multichannel decorrelation in spatial audio coding
7578014535Multichannel spectral vector mapping audio apparatus and method
7588014534Efficient and scalable parametric stereo coding for low bitrate audio coding applications
7598014533Audio output driver for reducing electromagnetic interference and improving audio channel performance
7608014532Method and system for processing a sound field representation
7618009837Multi-channel compatible stereo recording
7628009836Audio frequency response processing system
7638009834Sound reproduction apparatus and method of enhancing low frequency component
7648005245Sound image localization apparatus
7658005229Method and an apparatus for decoding an audio signal
7668005228System and method for automatic multiple listener room acoustic correction with low filter orders
7678000485Virtual audio processing for loudspeaker or headphone playback
7687995767Sound signal processing method and apparatus
7697991176Stereo widening network for two loudspeakers
7707987281System and method for enhanced streaming audio
7717986801Device having a point and a spatial sound generating-means for providing stereo sound sensation over a large area
7727986789Method for representing multi-channel audio signals
7737986788Method and an apparatus for decoding an audio signal
7747983922Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
7757983429Speaker system utilizing input from a transducer in proximity to a separate speaker
7767983424Envelope shaping of decorrelated signals
7777978865Audio processing apparatus
7787978860Playback apparatus and playback method
7797974713Temporal and spatial shaping of multi-channel audio signals
7807974425Sound system and method of sound reproduction
7817974424Speaker array system
7827974418Virtualizer with cross-talk cancellation and reverb
7837974417Multi-channel bass management
7847970539Method of direction-guidance using 3D sound and navigation system using the method
7857970144Extracting and modifying a panned source for enhancement and upmix of audio signals
7867965849Multichannel spectral mapping audio apparatus and method
7877965848Reduced number of channels decoding
7887965847Speaker system
7897962231Apparatus and method for providing data in a multi-renderer system
7907961890Multi-channel hierarchical audio coding with compact side information
7917961889Apparatus and method for processing multi-channel audio signal using space information
7927961888Method and system for enhancing bass effect in audio signals
7937957545Stereo speaker system having acoustic filter for improving low frequency characteristic
7947957538Method and apparatus to decode audio matrix
7957945055Filter smoothing in multi-channel audio encoding and/or decoding
7967945054Method and apparatus to reproduce wide mono sound
7977941320Cue-based audio coding/decoding
7987936886Speaker system to control directivity of a speaker unit using a plurality of microphones and a method thereof
7997933421Sound-field correcting apparatus and method therefor
8007933417Encoding device and decoding device
8017933416Method and apparatus for encoding and decoding multi-channel signals
8027933415Signal synthesizing
8037930048Apparatus and method for controlling a wave field synthesis renderer means with audio objects
8047929709Sound image localization apparatus
8057929708Audio spatial environment engine
8067925030Crosstalk cancellation using load impedence measurements
8077924834Multiplexing apparatus, multiplexing method, program, and recording medium
8087920710Loudspeaker apparatus
8097920708Low computation mono to stereo conversion using intra-aural differences
8107920707Audio system
8117917236Virtual sound source device and acoustic device comprising the same
8127916873Stereo compatible multi-channel audio coding
8137907736Acoustic correction apparatus
8147903824Compact side information for parametric coding of spatial audio
8157903823Apparatus and method for effecting sound stage expansion
8167899191Synthesizing a mono audio signal
8177894611Spatial disassembly processor
8187894610Method for coding and decoding impulse responses of audio signals
8197894609Stereo signal processing apparatus
8207889870Method and apparatus to simulate 2-channel virtualized sound for multi-channel sound
8217885414Band-selectable stereo synthesizer using strictly complementary filter pair
8227881485Apparatus and method of determining an impulse response and apparatus and method of presenting an audio piece
8237876906Methods and apparatus for processing audio signals
8247876905Multichannel spectral mapping audio apparatus and method
8257876904Dynamic decoding of binaural audio signals
8267876903Method and apparatus for creating a multi-dimensional communication space for use in a binaural audio system
8277873424System and method for optimizing digital audio playback
8287873171Multichannel spectral mapping audio apparatus and method
8297864966Multichannel spectral mapping audio apparatus and method
8307864965Multichannel spectral mapping audio apparatus and method
8317864964Multichannel spectral mapping audio apparatus and method
8327864963Effect imparting apparatus for controlling two-dimensional sound image localization

2010

8337860260Method, apparatus, and computer readable medium to reproduce a 2-channel virtual sound based on a listener position
8347856110Audio processor
8357856106System and method for determining a representation of an acoustic field
8367853022Audio spatial environment engine
8377840019Estimation of head-related transfer functions for spatial sound representation
8387835535Virtualizer with cross-talk cancellation and reverb
8397831434Complex-transform channel coding with extended-band frequency coding
8407831052Method and acoustic system for generating stereo signals for each of separate sound sources
8417826621Configurable filter for processing television audio signals
8427822214Audio power output system with shared output blocking capacitor
8437817812Compact audio reproduction system with large perceived acoustic size and image
8447813513Multi-channel encoder
8457805313Frequency-based coding of channels in parametric multi-channel coding systems
8467804965Microphone system and microphone apparatus
8477801314Audio signal processing apparatus
8487801313Method and apparatus for reproducing audio signal
8497801312Audio signal processing circuit
8507801311Radio receiver with stereo decoder and method for use therewith
8517797163Apparatus for processing media signal and method thereof
8527796766Audio center channel phantomizer
8537796765Multichannel spectral mapping audio apparatus and method
8547796764Method and device for reproducing a binaural output signal generated from a monaural input signal
8557792311Method and apparatus for automatically enabling subwoofer channel audio based on detection of subwoofer device
8567792308Multichannel spectral mapping audio apparatus and method
8577792307Multichannel spectral mapping audio apparatus and method
8587792306Multichannel spectral mapping audio apparatus and method
8597792305Multichannel spectral mapping audio apparatus and method
8607792304Multichannel spectral mapping audio apparatus and method
8617787632Support of a multichannel audio extension
8627787631Parametric coding of spatial audio with cues based on transmitted channels
8637783064Hearing aid system
8647783052Multichannel spectral mapping audio apparatus and method
8657783051Method and an apparatus for decoding an audio signal
8667783050Method and an apparatus for decoding an audio signal
8677783049Method and an apparatus for decoding an audio signal
8687783048Method and an apparatus for decoding an audio signal
8697783047Sound filed reproduction apparatus and sound filed space reproduction system
8707774520Method and apparatus for maintaining synchronization of audio in a computing system
8717773758Multichannel spectral mapping audio apparatus and method
8727773757Multichannel spectral mapping audio apparatus and method
8737773756Multichannel spectral mapping audio encoding apparatus and method with dynamically varying mapping coefficients
8747773755Reproduction apparatus and reproduction system
8757769181Multichannel spectral mapping audio apparatus and method
8767769180Multichannel spectral mapping audio apparatus and method
8777769179Multichannel spectral mapping audio apparatus and method
8787769178Multichannel spectral mapping audio apparatus and method
8797760890Sound processing system for configuration of audio signals in a vehicle
8807760886Apparatus and method for synthesizing three output channels using two input channels
8817760248Selective sound source listening in conjunction with computer interactive processing
8827756275Dynamically controlled digital audio signal processor
8837756274Sonic landscape system
8847751915Device for level correction in a wave field synthesis system
8857751572Adaptive residual audio coding
8867734362Calculating a doppler compensation value for a loudspeaker signal in a wavefield synthesis system
8877734053Encoding apparatus, encoding method, and computer product
8887725324Constrained filter encoding of polyphonic signals
8897720231Encoding audio signals
8907720230Individual channel shaping for BCC schemes and the like
8917720229Method for measurement of head related transfer functions
8927720212Spatial audio conferencing system
8937715569Method and an apparatus for decoding an audio signal
8947715568Binaural sound reproduction apparatus and method, and recording medium
8957706544Audio reproduction system and method for reproducing an audio signal
8967706543Method for processing audio data and sound acquisition device implementing this method
8977702118Electret condenser microphone for noise isolation and electrostatic discharge protection
8987702111Audio stereo processing method, device and system
8997697695Stereophonic sound reproducing system and stereophonic sound reproducing apparatus
9007693289Method and apparatus for remote control of an audio source such as a wireless microphone system
9017693287Sound source localization based on binaural signals
9027688989Method and system for processing sound signals for a surround left channel and a surround right channel
9037685661Flexible pad support, such as enclosing one or more speakers and placeable underneath a pillow for providing a muffled and selectively audible alarm
9047680290Sound reproducing apparatus and method for providing virtual sound source
9057680289Binaural sound localization using a formant-type cascade of resonators and anti-resonators
9067676043Audio bandwidth expansion
9077672744Method and an apparatus for decoding an audio signal
9087672461Method and apparatus for creating a virtual third channel in a two-channel amplifier
9097668611Apparatus and method for controlling a wave field synthesis rendering means
9107668317Audio post processing in DVD, DTV and other audio visual products
9117664272Sound image control device and design tool therefor
9127664271Method and apparatus for processing sound signal
91376642703D audio signal processing system using rigid sphere and method thereof
9147660424Audio channel spatial translation
9157650000Audio device and playback program for the same
9167646875Stereo coding and decoding methods and apparatus thereof
9177644003Cue-based audio coding/decoding

2009

9187639823Audio mixing using magnitude equalization
9197636443Audio enhancement system
9207634093Head related transfer functions for panned stereo audio content
9217634092Head related transfer functions for panned stereo audio content
9227630500Spatial disassembly processor
9237630366Multiplexing apparatus, multiplexing method, program, and recording medium
9247620554Multichannel audio extension
9257617109Method for correcting metadata affecting the playback loudness and dynamic range of audio information
9267616767Method and device for determining acoustical transfer impedance
9277613306Audio encoder and audio decoder
9287613305Method for treating an electric sound signal
9297606373Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions
9307606372Device and method for determining a reproduction position
9317602922Multi-channel encoder
9327602921Sound image localizer
9337599498Apparatus and method for producing 3D sound
9347593533Sound system and method of sound reproduction
9357590248Head related transfer function filter generation
9367587052Hearing aid and method for adjusting a hearing aid
9377583805Late reverberation-based synthesis of auditory scenes
9387583804Music information encoding/decoding device and method
9397568057Method and apparatus for maintaining synchronization of audio in a computing system
9407567676Sound event detection and localization system using power analysis
9417567675System and method for automatic multiple listener room acoustic correction with low filter orders
9427561701Method and apparatus for identifying the direction of incidence of an incoming audio signal
9437558393System and method for compatible 2D/3D (full sphere with height) surround sound reproduction
9447555356Method for manufacturing a body-worn electronic device adapted to the shape of an individual's body area
9457555130Acoustic correction apparatus
9467551741System and method for 3D sound processing
9477545944Controlling a gain setting in a hearing instrument
9487542574Generation of customised three dimensional sound effects for individuals
9497539316Configurable filter for processing television audio signals
9507536017Cross-talk cancellation
9517533346Interactive spatalized audiovisual system
9527532728Mechanism for using the allpass decomposition architecture for the cauer low pass filter used in a BTSC
9537522733Systems and methods of spatial image enhancement of a sound source
9547515719Method and apparatus to create a sound field
9557508947Method for combining audio signals using auditory scene analysis
9567505601Efficient spatial separation of speech signals
9577502477Audio reproducing apparatus
9587499553Sound event detector system
9597492908Sound localization system based on analysis of the sound field
9607492907Multi-channel audio enhancement system for use in recording and playback and methods for providing same
9617492906Speaker-characteristic method and speaker reproduction system
9627475014Method and system for tracking signal sources with wrapped-phase hidden markov models

2008

9637463740Sound data processing apparatus for simulating acoustic space
9647460676Headphone driving circuit
9657460673Point source speaker system
9667457421Circuit and program for processing multichannel audio signals and apparatus for reproducing same
9677457420Method and system for detecting signal modes in a broadcast audio transmission
9687454026Audio image signal processing and reproduction method and apparatus with head angle detection
9697451006Sound processing system using distortion limiting techniques
9707447321Sound processing system for configuration of audio signals in a vehicle
9717447317Compatible multi-channel coding/decoding by weighting the downmix channel
9727447316Speaker system
9737443987Discrete surround audio system for home and automotive listening
9747440575Equalization of the output in a stereo widening network
9757437299Coding of stereo signals
9767428308Transmitting and reproducing stereophonic audio signals
9777424121Audio signal processing method and audio signal processing apparatus
9787412380Ambience extraction and modification for enhancement and upmix of audio signals
9797409071Large-diameter arcuate speaker
9807403624BTSC encoder and integrated circuit
9817400734Method and apparatus for emulating audio effect
9827397923Array speaker system
9837394903Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
9847391877Spatial processor for enhanced performance in multi-talker speech displays
9857391876Method and system for simulating a 3D sound environment
9867391870Apparatus and method for generating a multi-channel output signal
9877391869Base management systems
9887388959Harmonic generator and pre-amp
9897386133System for determining the position of a sound source
99073861325-2-5 matrix encoder and decoder system
9917382886Efficient and scalable parametric stereo coding for low bitrate audio coding applications
9927382885Multi-channel audio reproduction apparatus and method for loudspeaker sound reproduction using position adjustable virtual sound images
9937369668Method and system for processing directed sound in an acoustic virtual environment
9947369666Audio reproducing system
9957366316Device to transmit and receive data for remote control of hearing devices
9967366312Artificial stereophonic circuit and artificial stereophonic device
9977356152Method for expanding an audio mix to fill all available output channels
9987346172Auditory alert systems with enhanced detectability
9997340272Mobile communication terminal having a three-dimensional surround sound effect and its control method
10007336792Virtual acoustic image localization processing device, virtual acoustic image localization processing method, and recording media
10017333622Dynamic binaural sound capture and reproduction
10027330555Coding device and method, and recording medium
10037330552Multiple positional channels from a conventional stereo signal pair
10047328161Audio decoding method and apparatus which recover high frequency component with small computation
10057327848Visualization of spatialized audio
10067319760Apparatus for creating sound image of moving sound source
10077319641Signal processing device for acoustic transducer array
10087315761Electrical stimulation system and method for treating tinnitus

2007

10097305097Controlling fading and surround signal level
10107302061Dual-tweeter loudspeaker
10117292901Hybrid multi-channel/cue coding/decoding of audio signals
10127292697Audio reproducing system
10137289633System and method for integral transference of acoustical events
10147286676Audio apparatus
10157283634Method of mixing audio channels using correlated outputs
10167280664Method for apparatus for audio matrix decoding
10177263193Crosstalk canceler
10187260231Multi-channel audio panel
10197254239Sound system and method of sound reproduction
10207254238Method and circuit for headset listening of an audio recording
10217251337Volume control in movie theaters
10227251333Method and apparatus for creating a virtual third channel in a two-channel amplifier
10237248935Information signal reproducing apparatus
10247248706Audio-signal detecting device
10257248701Dynamic acoustic rendering
10267243073Method for realizing virtual multi-channel output by spectrum analysis
10277242782Audio signal processing circuit
10287236839Audio decoder with expanded band information
10297236599Generating separate analog audio programs from a digital link
10307224385Video camera with multiple microphones and audio processor producing one signal for recording
10317221765System and method for individualized training of hearing aid users
10327221625Multi-channel acoustic apparatus with DVD reproduction function
10337218740Audio system
10347215782Apparatus and method for producing virtual acoustic sound
10357212872Discrete multichannel audio with a backward compatible mix
10367206413Sound processing system using spatial imaging techniques
10377203320Sub-harmonic generator and stereo expansion processor
10387200236Multi-channel audio enhancement system for use in recording playback and methods for providing same
10397197151Method of improving 3D sound reproduction
10407181019Audio coding
10417177432Sound processing system with degraded signal optimization
10427177431Dynamic decorrelator for audio signals
10437171002Methods and apparatus for sub-harmonic generation, stereo expansion and distortion
10447167879Network AV system
10457167567Method of processing an audio signal
10467167566Transaural stereo device
10477164770Surround sound speaker system
10487164769Multichannel spectral mapping audio apparatus and method with dynamically varying mapping coefficients
10497164768Audio signal processing
10507158642Method and apparatus for producing a phantom three-dimensional sound space with recorded sound

2006

10517149313Audio signal processing
10527146018Multichannel acoustic signal reproducing apparatus
10537146010Two methods and two devices for processing an input audio stereo signal, and an audio stereo signal reproduction system
10547136491Audio signal processing apparatus
10557123724Sound system
10567116789Sonic landscape system
10577116788Efficient head related transfer function filter generation
10587116787Perceptual synthesis of auditory scenes
10597110550Sound system
106071072115-2-5 matrix encoder and decoder system
10617099483Sound control system, sound control device, electronic device, and method for controlling sound
10627099480System for generating sounds
10637095865Audio amplifier unit
10647092531Sound output apparatus for an automotive vehicle
10657088827Reconfigurable speaker system
10667082201Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method
10677079658System and method for localization of sounds in three-dimensional space
10687076071Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings
10697076068Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method
10707072474Sound recording and reproduction systems
10717069219System and user interface for producing acoustic response predictions via a communications network
10727068792Enhanced spatial mixing to enable three-dimensional audio deployment
10737054816Audio signal processing device
10747050596System and headphone-like rear channel speaker and the method of the same
10757035413Dynamic spectral matrix surround system
10767031474Acoustic correction apparatus
10777027600Audio signal processing device
10787024002Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems
10797016746Digital audio signal filtering mechanism and method
10807016502Encoder and decoder
10817016501Directional decoding
10827013013Surround device
10837012630Spatial sound conference system and apparatus
10847010128Method of processing and reproducing an audio stereo signal and an audio stereo signal reproduction system
10857006645Audio reproduction apparatus
10867006636Coherence-based audio coding and synthesis
10877003119Matrix surround decoder/virtualizer
10886999590Stereo sound circuit device for providing three-dimensional surrounding effect
10896996239System for transitioning from stereo to simulated surround sound
10906993139Method of and apparatus for decoding audio data
10916990210System for headphone-like rear channel speaker and the method of the same
10926990205Apparatus and method for producing virtual acoustic sound
10936983054Means for compensating rear sound effect

2005

10946968062Transmitter of infrared transmission system and reproducing apparatus comprising headphone device
10956965681Arrangement in acoustic headsets
10966961433Stereophonic sound field reproducing apparatus
10976956952Remote control interface for replacement vehicle stereos
10986947564Stereophonic spatial expansion circuit with tonal compensation and active matrixing
10996944474Sound enhancement for mobile phones and other products producing personalized audio for users
11006944309Headphone system
11016937737Multi-channel audio surround sound from front located loudspeakers
11026934394Universal four-channel surround sound speaker system for multimedia computer audio sub-systems
11036931136Infrared emitter
11046931134Multi-dimensional processor and multi-dimensional audio processor system
11056918678Headset incorporating an integral light
11066913578Method for customizing audio systems for hearing impaired
11076909787Method and related apparatus for stereo vocal cancellation
11086905000Faceplate cover
11096904154Acoustic device
11106898173Recording and playback of multi-channel digital audio having different resolutions for different channels
11116888950Ear warming article including electronic device and easily interchangeable advertising areas
11126888945Personal sound masking system
11136879699Head worn entertainment and/or communication device
11146873862Wireless headphones with selective connection to auxiliary audio devices and a cellular telephone
11156870935Volume stability control for partitioned audio system
11166868164Head phone device
11176868161Transmitting/receiving device and transmitting/receiving method
11186859538Plug and play compatible speakers
11196853732Center channel enhancement of virtual sound images
11206851512Modular microphone array for surround sound recording
11216847725Radio, infrared, and audio assistive listening device
11226847724Electronic device with storable earphone

2004

11236831984Noise reducing
11246829365MP-3 player
11256817440Multi-channel headphones
11266816597Pseudo stereophonic device
11276792324Device for determining and characterizing noises generated by mastication of food
11286792122Acoustic device
11296782106Apparatus and method for transmitting sound
11306782104Method and device intended for the picking up of sounds, for their recording and their play-back, and reproducing the natural sensation of a sound space
11316778073Method and apparatus for managing audio devices
11326772853Clip-on earphone device
11336771780Tri-functional dual earphone device
11346771778Method and signal processing device for converting stereo signals for headphone listening
11356763119Neckphone
11366754546Electronic audio connection system and methods for providing same
11376751333Inertial vibration transducers
11386748087Headset with ear cushion and means for limiting the compression of the cushion
11396744901Headphone
11406741708Acoustic system comprised of components connected by wireless
11416741706Audio signal processing method and apparatus
11426735306Infrared helmet
11436731771Foam mounted receiver for communication headset
11446731759Audio signal reproduction device
11456728585Personal on-demand audio entertainment device that is untethered and allows wireless download of content
11466728385Voice detection and discrimination apparatus and method
11476724906Adjustable headphone
11486721433Acoustic apparatus wearable on the head
11496719581Plug for speaker cables, and speaker terminal and speaker terminal system provided with them
11506714825Multi-channel audio reproducing device
11516714653Sound capturing method and device
11526711273Chin loop headset
11536711268Automatic stereo/monaural headphone
11546704428Automatic turn-on and turn-off control for battery-powered headsets
11556700981Dual input headphone apparatus
11566695477Audio signal reproducing apparatus
11576690808Personal earphone assembly for mounting upon eyeglasses
11586684176Three dimensional (3-D) object locator system for items or sites using an intuitive sound beacon: system and method of operation
11596681018Audio signal processor and audio device

2003

11606668204Biaural (2channel listening device that is equalized in-stu to compensate for differences between left and right earphone transducers and the ears themselves
11616658121Headphone having an adjustable localization of auditory events
11626654966Fully collapsible headset
11636629579Headphones/earmuffs
11646620094Method and apparatus for audio input to implantable hearing aids
11656611603Steering of monaural sources of sound using head related transfer functions
11666608907Audio output apparatus having wireless speakers
11676604363Matching an acoustic driver to an acoustic load in an acoustic resonant system
11686603863Headphone apparatus for providing dynamic sound with vibrations and method therefor
11696600824Microphone array system
11706597792Headset noise reducing
11716590982Wireless stereo center speaker system
11726577736Method of synthesizing a three dimensional sound-field
11736567655Car radio system
11746567525Supra aural active noise reduction headphones
11756560350Methods for detecting alteration of audio
11766556683Remote turn-on circuit for automobile audio amplifier
11776554097Low-radiation headphone
11786546105Sound image localization device and sound image localization method
11796522988Method and system for on-line hearing examination using calibrated local machine
11806520282Sound enhancement mechanism for speaker sound system

2002

11816483925Headphone having several speakers
11826473509Audio system, in particular for motor vehicles
11836466913Method of determining a sound localization filter and a sound localization control system incorporating the filter
11846466681Weather resistant sound attenuating modular communications headset
11856466677Cordless digital audio headphone
11866463158Apparatus for picking up sound waves
11876456721Headset with bone conduction speaker and microphone
11886456199Continuous noise monitoring and reduction system and method
11896453047Matrix encoding system with improved behavior frequency
11906449806Head strap for headphones or hearing protector
11916449370Digital electro-acoustic transducer
11926445800Audio signal reproducing apparatus
11936434250Stereo headset with angled speakers
11946405163Process for removing voice from stereo recordings
11956404894Packaging
11966399870Musical instruments incorporating loudspeakers
11976385325Headphone device
11986366679Multi-channel sound transmission method
11996356644Earphone (surround sound) speaker
12006351542Loudspeakers with panel-form acoustic radiating elements
12016351271Method and apparatus for sending and receiving lightweight messages

2001

12026327369Loudspeakers comprising panel-form acoustic radiating elements
12036322521Method and system for on-line hearing examination and correction
12046320967Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
12056307942Panel-form microphones
12066305026Cap with headphones assembly
12076304661Loudspeakers comprising panel-form acoustic radiating elements
12086301490Audio headset communication apparatus and method
12096301367Wearable audio system with acoustic modules
12106295366Aircraft headset
12116285770Noticeboards incorporating loudspeakers
12126282206Variable bandwidth communication systems and methods
12136275589Method and apparatus for error masking in multi-channel audio signals
12146266426Visual display means incorporating loudspeakers
12156263085Surround sound headphones
12166259482Digital BTSC compander system
12176246772Wireless headphone/speakers sound field control circuit
12186233345Personal earphone assembly for mounting upon eyeglasses
12196233002Earphone system with operability improved and terminal equipment system with the earphone system
12206215981Wireless signal transmission system, method apparatus
12216215881Ceiling tile loudspeaker
12226212282Wireless speaker system
12236208743Electrodynamic acoustic transducer with magnetic gap sealing
12246201878Portable compact disc player
12256198831Panel-form loudspeakers
122661988275-2-5 Matrix system
12276192136Inertial vibration transducers
12286188775Panel-form loudspeakers
12296188771Personal sound masking system
12306181799Greetings or the like card
12316173061Steering of monaural sources of sound using head related transfer functions

2000

12326167140AV Amplifier
12336151402Vibration transducers
12346148086Method and apparatus for replacing a voice with an original lead singer's voice on a karaoke machine
12356148085Audio signal output apparatus for simultaneously outputting a plurality of different audio signals contained in multiplexed audio signal via loudspeaker and headphone
12366144747Head mounted surround sound system
12376141424Headphone capable of directly converting digital audio signal into analog audio signal
12386125189Electroacoustic transducer of digital type
12396118876Surround sound speaker system for improved spatial effects
12406111755Graphic audio equalizer for personal computer system
12416108430Headphone apparatus
12426104819Combination speaker and earphone apparatus
12436091832Wearable personal audio loop apparatus
12446081604Electric sound converter
12456069960Connector device for information-handling apparatus and connector device for stereophonic audio/video apparatus
12466062337Audio system that can be mounted on the body of a user
12476041225Monitor control circuit using wireless headphones and method therefor
12486038330Virtual sound headset and method for simulating spatial sound
12496038323Stereophonic image enhancement system for use in automobiles
12506037993Digital BTSC compander system
12516026927Speaker assembly
12526023515Mass excited acoustic device
12536014345Apparatus and system for damping external noises with means for producing sound and preventing oversleeping
12546011852Audio power amplifier device for micro-computers

1999

12556009179Method and apparatus for electronically embedding directional cues in two channels of sound
12566009178Method and apparatus for crosstalk cancellation
12576003766Vending machine
12586002775Method and apparatus for electronically embedding directional cues in two channels of sound
12595991727Voice reproducing apparatus for personal use
12605991422Structural improvements of earphone signal cord
12615987147Sound collector
12625983191Method and apparatus for automatically compensating tone color
12635982904Wireless headset
12645970153Stereo spatial enhancement system
12655960090Process and device for wireless transmission
12665959597Image/audio reproducing system
12675953434Headband with audio speakers
12685951141Head mounted illumination device
12695930758Audio signal reproducing apparatus with semiconductor memory storing coded digital audio data and including a headphone unit
12705930370In-home theater surround sound speaker system
12715910996Dual audio program system
12725894523Voice delay feedback apparatus
12735890125Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method
12745888280Protective coating composition with early water resistance
12755887286Ear protector
12765887066Headphone apparatus
12775883961Sound system
12785881390Headband for use with personal stereo headphones
12795867582Headphone
12805862241Adjustable headset

1998

12815850459Headphone stereo control circuit
12825844816Angle detection apparatus and audio reproduction apparatus using it
12835841879Virtually positioned head mounted surround sound system
12845841513Apparatus for reproducing sound signals recorded on a motion picture film with digital sound track
12855835609Ear protection device
12865828755Method and device for processing signals
12875821468Laminated nap comfort cover for ear seal
12885815579Portable speakers with phased arrays
12895794127Headphone remote control for operating an entertainment center
12905793873Sound capturing method and device
12915784477System for the frontal localization of auditory events produced by stereo headphones
12925784476Audio signal reproduction apparatus
12935778083Global sound microphone system
12945764512Intelligent acoustic systems peripheral
12955761314Audio reproducing apparatus and headphone
12965757928Audio amplifier arrangement for more than two reproduction channels
12975754666Method for reproducing audio signals and an apparatus therefore
12985751816Audio power amplifier device for micro-computers
12995748754Sound system gain and equalization circuit
13005742689Method and device for processing a multichannel signal for use with a headphone
13015740257Active noise control earpiece being compatible with magnetic coupled hearing aids
13025740254System for providing sound distinctions for auditory conditioning and method therefor
13035737436Earphones with eyeglass attatchments
13045737427Surround sound processor unit
13055722050Transmitter-receiver system for use in an audio equipment
13065717773Sound system gain and equalization circuit
13075717767Angle detection apparatus and audio reproduction apparatus using it
13085708725Wireless headphone with a spring-biased activating power switch
13095708719In-home theater surround sound speaker system

1997

13105694475Acoustically transparent earphones
13115692058Dual audio program system
13125691515Rearward sound enhancing apparatus
13135691514Rearward sound enhancing apparatus
13145684879Combination head mounted speaker assembly and multi-channel audio processing system
13155680465Headband audio system with acoustically transparent material
13165677957Audio circuit producing enhanced ambience
13175673326Audio bass speaker driver circuit
13185668884Enhanced concert audio system
13195666658Wireless signal transmission system, method and apparatus
13205666433Microphone & loudspeaker system
13215666428Audio distribution system
13225666425Plural-channel sound processing
13235666422Remote speaker for surround-sound applications
13245661812Head mounted surround sound system
13255661811Rear seat audio control with multiple media
13265655025Circuit for automatically recognizing and receiving mono and stereo audio signals
13275647016Man-machine interface in aerospace craft that produces a localized sound in response to the direction of a target relative to the facial direction of a crew
13285642429Sound reproduction system having enhanced low frequency directional control characteristics
13295642427Integrated circuit for audio enhancement system
13305642426Integral radio and infrared assistive listening device
13315640458Audio signal reproducing apparatus
13325633938Audio track mixing processor
13335617478Sound reproduction system and a sound reproduction method
13345617477Personal wearable communication system with enhanced low frequency response
13355600727Determination of position

1996

13365583942Device of the dummy head type for recording sound
13375581627Convertible cover headphones
13385581626Automatically switched equalization circuit
13395574795Headphone apparatus
13405566241Method and apparatus for presentation of on-line directional sound
13415553147Stereophonic reproduction method and apparatus
13425550920Voice canceler with simulated stereo output
13435550603Motion picture film with digital sound track
13445541999Audio apparatus having a karaoke function
13455537668Audio signal reproducing device
13465526433Tracking platform system
13475521982Electronic device for the generation of acoustic spatial effects
13485519783Headphone assembly
13495519782Headphone
13505509080Bass clipping circuit
13515506911Radio and infrared receiving collapsible hearing device
13525500622Audio signal processing circuit
13535497427Headphone
13545495534Audio signal reproducing apparatus
13555483367Transmitting and receiving apparatus for a radio headphone

1995

13565477270Distance-adaptive microphone for video camera
13575469511Method and apparatus for presentation of on-line directional sound
13585469509Car audio system with high signal output
13595459790Personal sound system with virtually positioned lateral speakers
13605459290Acoustic transducer and acoustic transducing system
13615452359Acoustic signal reproducing apparatus
13625448646Headset interface assembly
13635440644Audio distribution system having programmable zoning features
13645440637Listening and display unit
13655438698Wearable audio reception device
13665438626Collapsible hearing device
13675425106Integrated circuit for audio enhancement system
13685422957Cable take-up for earphones
13695410735Wireless signal transmission systems, methods and apparatus
13705386473Passive surround sound circuit
13715381486Communications headset having a universal joint-mounted microphone boom

1994

13725363434Audio distribution system
13735361381Dynamic equalizing of powered loudspeaker systems
13745361378Camcorder stereo mic/phones
13755357585Headphone assembly
13765349639Automatic electronic audio signal attenuating device and method therefor
13775349386Wireless signal transmission systems, methods and apparatus
13785339461Compact radio frequency receiver having take-up spool housed earphone conductors
13795333206Dual element headphone
13805325436Method of signal processing for maintaining directional hearing with hearing aids
13815323468Bone-conductive stereo headphones
13825305388Bass compensation circuit for use in sound reproduction device
13835303304Camcorder having loudspeaker function

1993

13845272757Multi-dimensional reproduction system
13855260920Acoustic space reproduction method, sound recording device and sound recording medium
13865257318Earphone spacer with electronically variable sound level
13875245296Audio amplifier circuit and method of operation
13885243656Audio circuit
13895237418Audio output circuit in electronic apparatus with composite display function
13905222151Earphone
13915208868Headphone overpressure and click reducing
13925208493Stereo expansion selection switch
13935206910Stereo microphone unit
13945201003High fidelity stereophonic reproduction system
13955185807Headset with multi-position stirrup assemblies

1992

13965175768Method and apparatus for enhancing the stereo effect in headsets having cross coupling voice coils
13975161197Acoustic analysis
13985146501Altitude-sensitive portable stereo sound set for dancers
13995144678Automatically switched headset
14005140637Device and method for removing vocal signals
14015131048Audio distribution system
14025125032Talk/listen headset
14035117459Ambient imaging loudspeaker system
14045113428Cordless telephone headset
14055099519Headphones
14065095382Wireless headphone
14075086464Telephone headset for the hearing impaired

1991

14085073936Stereophonic microphone system
14095056148Output circuit of audio device
14105031216Device for stereophonic recording of sound events
14115007091Procedure and device for facilitating audiovisual observation of a distant object
14124993074Earphone spacer

1990

14134952024Three-dimensional sight and sound reproduction apparatus for individual use
14144947437Stereo microphone
14154942617Earphone cord take-up device
14164933921Signal reproducing apparatus

1989

14174888805Stereo head headphones bracket system
14184845751Wireless stereo headphone
14194836326Optimal shadow omniphonic microphone and loudspeaker system
14204831656Conference microphone for use with hearing impaired amplification system
14214829571Headphone
14224829500Portable wireless sound reproduction system
14234821323Stereo headphone
14244819270Stereo dimensional recording method and microphone apparatus
14254817153Method and apparatus for transforming a monaural signal into stereophonic signals
14264803728Stereo mixing jack

1988

14274757545Amplifier circuit for a condenser microphone system
14284754486Motorcycle stereo audio system with VOX intercom
14294752961Microphone arrangement
14304750208Audio-band electromechanical vibration converter
14314741035Wide band, low noise artificial head for transmission of aural phenomena

1987

14324680856Process for forming an acoustic monitoring device
14334672569Method and apparatus for simulating outer ear free field transfer function
14344658932Simulated binaural recording system
14354653087Stereo interface telephone ring detector

1986

14364633498Infrared headphones for the hearing impaired
14374631962Artificial head measuring system
14384628525M-S type stereophonic microphone
14394607381Signal mixing circuit
14404570742Microphone apparatus

1985

14414536716Stereo amplifier circuit for bichannel signals
14424531229Method and apparatus for improving binaural hearing
14434517418Portable stereophone
14444499593Modular stereo headphones
14454495638Audio-band electro-mechanical vibration converter
14464494074Feedback control

1984

14474490683Electronic control switch for a power boost amplifier
14484466117Microphone for stereo reception
14494465907Headset receiver and sanitizing storage system therefor
14504455677Multipurpose headphone assembly
14514433209Stereo/monaural selecting circuit

1983

14524415768Tuning apparatus and method
14534412106High fidelity stereophonic reproduction system
14544412105Laser microphone
14554409442Headphone
14564399334Speaker unit for headphones
14574393270Controlling perceived sound source direction
14584392548Speaker enclosure and method of producing same
14594388494Process and apparatus for improved dummy head stereophonic reproduction

1982

14604354067Audio-band electromechanical vibration converter
14614334740Receiving system having pre-selected directional response
14624322585Personal electronic listening system with an air and bone transducer mounted on the clothing collar

1981

14634308426Simulated ear for receiving a microphone
14644297535Stereo headset
14654290332Sound shielding and pick-up device
14664277654Stethoscopic headphone set
14674262170Microphone system for producing signals for surround-sound transmission and reproduction
14684256917Anhydrous L-lysine monohydrochloride in .alpha.-cyrstalline form and preparation thereof

1980

14694222880Arrangement for optical transmission of communications
14704219789Stereo headphone adapter
14714206324Pivoted plural microphone assembly
14724196313Polyphonic sound system
14734181819Unitary panel multiple frequency range speaker system

1979

14744173715Acoustical device

1978

14754122910Omniphonic microphone and loudspeaker system
14764119798Binaural multi-channel stereophony
14774110583Earphone construction
14784096353Microphone system for producing signals for quadraphonic reproduction
14794090148Circuit pattern for a protection circuit of a stereo amplifier
14804088902Channel coupling
14814088849Headphone unit incorporating microphones for binaural recording
14824087629Binaural sound reproducing system with acoustic reverberation unit
14834074084Method and apparatus for receiving sound intended for stereophonic reproduction
14844072821Microphone system for producing signals for quadraphonic reproduction
14854070547One-point stereo microphone
14864068093Device for transmitting audio-frequency signals
14874068091Binaural sound pickup

1977

14884060696Binaural four-channel stereophony
14894042779Coincident microphone simulation covering three dimensional space and yielding various directional outputs
14904037064Stereo microphone apparatus
14914037052Sound pickup assembly
14924010335Microphone apparatus
14934005278Headphone

1976

14943985960Stereophonic sound reproduction with acoustically matched receiver units effecting flat frequency response at a listener's eardrums
149539848854-Channel headphones
14963984636Quadraphonic headphone with ambience programmer
14973969583Method of stereophonic recording
14983944941Switching circuit for use with balanced transformerless amplifier
14993943564Stereophonic recording and playback apparatus
15003940560Quadriphonic sound pick-up and reproduction devices
15013939310Stereophonic headset with ear to ear acoustical passageway
15023934674Acoustic headsets
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017