СПИСОК патентов США - подгруппа МПК16 H04R3/02
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9609431 | Interested audio source cancellation method and voice recognition method and voice recognition apparatus thereof | |||
| 2 | 9602922 | Adaptive echo cancellation | |||
| 3 | 9596552 | Features and optimizations for personal communication device based public addressing system | |||
| 4 | 9596541 | Post-filter for handling resonance-induced echo components | |||
| 5 | 9596540 | Active noise reduction device and active noise reduction method | |||
| 6 | 9596534 | Equalization and power control of bone conduction elements | |||
| 7 | 9591422 | Method and apparatus for audio interference estimation | |||
| 8 | 9589575 | Asynchronous clock frequency domain acoustic echo canceller | |||
| 9 | 9583091 | Method and system for masking noise | |||
| 10 | 9578432 | Metric and tool to evaluate secondary path design in adaptive noise cancellation systems | |||
| 11 | 9576567 | Ergonomic tubular anechoic chambers for use with a communication device and related methods | |||
| 12 | 9571932 | Electronic device | |||
| 13 | 9571931 | Systems and methods for reducing non-linearities of a microphone signal | |||
| 14 | 9560444 | Kinetic event detection in microphones | |||
| 15 | 9558729 | Digital circuit arrangements for ambient noise-reduction | |||
| 16 | 9549257 | Feedback cancellation for vehicle communications system | |||
| 17 | 9548854 | Combined in-ear speaker and microphone for radio communication | |||
| 18 | 9548045 | Anti-noise headset device and sound processing method thereof | |||
| 19 | 9538283 | Ear microphone | |||
| 20 | 9532736 | Portable electronic device with a tinnitus relief application | |||
2016 | |||||
| 21 | 9531884 | Stereo echo suppressing device, echo suppressing device, stereo echo suppressing method, and non-transitory computer-readable recording medium storing stereo echo suppressing program | |||
| 22 | 9525941 | Earjack and electronic device including the same | |||
| 23 | 9525940 | Multi-path analog front end and analog-to-digital converter for a signal processing system | |||
| 24 | 9525937 | Circuit for suppressing audio output noise and audio output circuit | |||
| 25 | 9516418 | Sound field spatial stabilizer | |||
| 26 | 9516413 | Location based storage and upload of acoustic environment related information | |||
| 27 | 9516407 | Active noise control with compensation for error sensing at the eardrum | |||
| 28 | 9510108 | Circuit module for silicon condenser microphone | |||
| 29 | 9508337 | Low-noise fume extractor hood | |||
| 30 | 9503815 | Perceptual echo gate approach and design for improved echo control to support higher audio and conversational quality | |||
| 31 | 9497560 | Audio reproducing apparatus and method | |||
| 32 | 9497542 | Signal processing system and signal processing method | |||
| 33 | 9497330 | Signal processing method, signal processing device, and signal processing program | |||
| 34 | 9491537 | Noise reducing sound reproduction system | |||
| 35 | 9485597 | System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain | |||
| 36 | 9485577 | Audio output device | |||
| 37 | 9485572 | Sound processing device, sound processing method, and program | |||
| 38 | 9473645 | Audio quality in teleconferencing | |||
| 39 | 9472203 | Clock synchronization for multichannel system | |||
| 40 | 9462370 | Muting device | |||
| 41 | 9454951 | Electronic device | |||
| 42 | 9451362 | Adaptive beam forming devices, methods, and systems | |||
| 43 | 9445196 | Inter-channel coherence reduction for stereophonic and multichannel acoustic echo cancellation | |||
| 44 | 9445190 | Masking open space noise using sound and corresponding visual | |||
| 45 | 9444488 | Signal modulation circuit | |||
| 46 | 9444423 | Method for adjusting volume and electronic device thereof | |||
| 47 | 9438994 | Instrument amplification systems incorporating reflection cancelling boundary microphones and multiband compression | |||
| 48 | 9438990 | Electronic device | |||
| 49 | 9437210 | Audio signal processing | |||
| 50 | 9437179 | Reverberation suppression device | |||
| 51 | 9432762 | Back cavity microphone implementation | |||
| 52 | 9426580 | Electronic apparatus and panel unit | |||
| 53 | 9420115 | Method using array microphone to cancel echo | |||
| 54 | 9419640 | Control of a microphone | |||
| 55 | 9414162 | Systems and methods for echo reduction | |||
| 56 | 9407992 | Estimation of reverberation decay related applications | |||
| 57 | 9402131 | Push-pull microphone buffer | |||
| 58 | 9398380 | Method for controlling an adaptation increment and hearing apparatus | |||
| 59 | 9398374 | Systems and methods for nonlinear echo cancellation | |||
| 60 | 9398367 | Suspending noise cancellation using keyword spotting | |||
| 61 | 9392386 | Audio signal adjustment for mobile phone based public addressing system | |||
| 62 | 9392379 | Output phase modulation entrainment containment for digital filters | |||
| 63 | 9386373 | System and method for estimating a reverberation time | |||
| 64 | 9379751 | Noise canceling system and method, smart control method and device and communication equipment | |||
| 65 | 9369801 | Wireless speaker system with noise cancelation | |||
| 66 | 9363600 | Method and apparatus for improved residual echo suppression and flexible tradeoffs in near-end distortion and echo reduction | |||
| 67 | 9363352 | Duplex audio for mobile communication device and accessory | |||
| 68 | 9357315 | Hearing aid, loudspeaker, and feedback canceller | |||
| 69 | 9357301 | Method and device for reducing acoustic feedback | |||
| 70 | 9355648 | Voice input/output device, method and programme for preventing howling | |||
| 71 | 9351072 | Multi-band harmonic discrimination for feedback suppression | |||
| 72 | 9349363 | Audio signal processing system and echo signal removing method thereof | |||
| 73 | 9344797 | Microphone module with and method for feedback suppression | |||
| 74 | 9336768 | Smartphone security masking enclosure | |||
| 75 | 9330650 | Sound masking device and sound masking method | |||
| 76 | 9326087 | Sound augmentation system performance health monitoring | |||
| 77 | 9326064 | Microphone array configuration and method for operating the same | |||
| 78 | 9319782 | Distributed speaker synchronization | |||
| 79 | 9312913 | Echo cancellation apparatus, echo cancellation method and communications apparatus | |||
| 80 | 9311909 | Sensed sound level based fan speed adjustment | |||
| 81 | 9307333 | Networked sound masking system | |||
| 82 | 9307320 | Feedback suppression using phase enhanced frequency estimation | |||
| 83 | 9307319 | Sensor circuit and calibration method | |||
| 84 | 9307318 | Audio processor circuits for acoustic echo cancellation and method therefor | |||
| 85 | 9301050 | Squeal killer | |||
| 86 | 9299337 | Vehicle engine sound enhancement | |||
| 87 | 9299333 | System for adaptive audio signal shaping for improved playback in a noisy environment | |||
| 88 | 9294858 | Controlling acoustic echo cancellation while handling a wireless microphone | |||
| 89 | 9294851 | Hearing assistance devices with echo cancellation | |||
| 90 | 9288578 | Method and apparatus for canceling acoustic echo, and method for updating adaptive filter coefficient by the apparatus | |||
| 91 | 9288576 | Dereverberation parameter estimation device and method, dereverberation/echo-cancellation parameter estimation device, dereverberation device, dereverberation/echo-cancellation device, and dereverberation device online conferencing system | |||
| 92 | 9286881 | Echo canceler and echo detector | |||
| 93 | 9286880 | Masking sound outputting device and masking sound outputting method | |||
| 94 | 9282917 | Systems and methods for a tinnitus therapy | |||
| 95 | 9282405 | Automatic microphone muting of undesired noises by microphone arrays | |||
| 96 | 9282229 | Audio processing apparatus, audio processing method and imaging apparatus | |||
| 97 | 9277317 | Tunable inductive device for parametric audio systems and related methods | |||
| 98 | 9277102 | Audio processing apparatus, audio processing method and imaging apparatus | |||
| 99 | 9271090 | Entrainment resistant feedback cancellation | |||
| 100 | 9269343 | Method of controlling an update algorithm of an adaptive feedback estimation system and a decorrelation unit | |||
| 101 | 9264807 | Multichannel acoustic echo reduction | |||
| 102 | 9264527 | Hands-free telephone conversation apparatus | |||
| 103 | 9253569 | System and method for a cancelation circuit | |||
| 104 | 9253299 | Ergonomic tubular anechoic chambers for use with a communication device and related methods | |||
| 105 | 9251780 | Sound output device | |||
| 106 | 9241214 | Direct sound extraction device and reverberant sound extraction device | |||
| 107 | 9237399 | Masking vehicle noise | |||
| 108 | 9232071 | Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile device | |||
| 109 | 9230531 | Road noise masking in a vehicle | |||
2015 | |||||
| 110 | 9225842 | Determining an acoustic coupling between a far-end talker signal and a combined signal | |||
| 111 | 9224393 | Noise estimation for use with noise reduction and echo cancellation in personal communication | |||
| 112 | 9219958 | Systems and methods for acoustic echo cancellation with wireless microphones and speakers | |||
| 113 | 9210507 | Microphone hiss mitigation | |||
| 114 | 9210505 | Maintaining spatial stability utilizing common gain coefficient | |||
| 115 | 9210504 | Processing audio signals | |||
| 116 | 9208766 | Computer program product for adaptive audio signal shaping for improved playback in a noisy environment | |||
| 117 | 9202474 | Effecting voice communication in a sound-restricted environment | |||
| 118 | 9191740 | Method and apparatus for in-ear canal sound suppression | |||
| 119 | 9185506 | Comfort noise generation based on noise estimation | |||
| 120 | 9183845 | Adjusting audio signals based on a specific frequency range associated with environmental noise characteristics | |||
| 121 | 9179223 | Audio system with feedback cancellation | |||
| 122 | 9173028 | Speech enhancement system and method | |||
| 123 | 9173025 | Combined suppression of noise, echo, and out-of-location signals | |||
| 124 | 9173020 | Control method of sound producing, sound producing apparatus, and portable apparatus | |||
| 125 | 9167337 | Ear microphone and voltage control device for ear microphone | |||
| 126 | 9165549 | Audio noise cancelling | |||
| 127 | 9165547 | Localization of a wireless user equipment (UE) device based on audio masking | |||
| 128 | 9161127 | Signal processing apparatus | |||
| 129 | 9161125 | High dynamic microphone system | |||
| 130 | 9161123 | Control of a microphone | |||
| 131 | 9159312 | Audio device with privacy mode | |||
| 132 | 9154874 | Howling detection device, howling suppressing device and method of detecting howling | |||
| 133 | 9154635 | Signal processing method, signal processing device, and signal processing program | |||
| 134 | 9148724 | Audio system signal processing control using microphone movement information | |||
| 135 | 9137601 | Audio adjusting method and acoustic processing apparatus | |||
| 136 | 9124986 | Feedback control in a listening device | |||
| 137 | 9123325 | Active vibration noise control device | |||
| 138 | 9123322 | Howling suppression device, hearing aid, howling suppression method, and integrated circuit | |||
| 139 | 9117436 | Sound processing apparatus and sound processing method | |||
| 140 | 9111544 | Mono and multi-channel echo compensation from selective output | |||
| 141 | 9106999 | Noise reducing earphone | |||
| 142 | 9100736 | Control of an adaptive feedback cancellation system based on probe signal injection | |||
| 143 | 9100466 | Method for processing an audio signal and audio receiving circuit | |||
| 144 | 9094748 | Dynamic microphone unit and dynamic microphone | |||
| 145 | 9088856 | Networked sound masking system with centralized sound masking generation | |||
| 146 | 9076430 | Sound masking system | |||
| 147 | 9075475 | Portable electronic device including touch-sensitive display and method of determining when to turn off the touch sensitive dispay | |||
| 148 | 9066177 | Method and arrangement for processing of audio signals | |||
| 149 | 9054666 | Operation of a noise cancellation device | |||
| 150 | 9026436 | Speech enhancement method using a cumulative histogram of sound signal intensities of a plurality of frames of a microphone array | |||
| 151 | 9025788 | Earphone system for mobile device and method for operating the same | |||
| 152 | 8976975 | Balancing power plant sound | |||
| 153 | 8964997 | Adapted audio masking | |||
| 154 | 8958571 | MIC covering detection in personal audio devices | |||
| 155 | 8953818 | Spectral band substitution to avoid howls and sub-oscillation | |||
| 156 | 8948411 | Ergonomic tubular anechoic chambers for use with a communication device and related methods | |||
| 157 | 8929561 | System and method for automated audio mix equalization and mix visualization | |||
2014 | |||||
| 158 | 8892228 | Concealing audio artifacts | |||
| 159 | 8891786 | Selective notch filtering for howling suppression | |||
| 160 | 8885844 | Variable noise masking during periods of substantial silence | |||
| 161 | 8861757 | Apparatus 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 | |||
| 162 | 8861742 | Masker sound generation apparatus and program | |||
| 163 | 8824703 | Amplifier circuit | |||
| 164 | 8817999 | Networked sound masking and paging system | |||
| 165 | 8798284 | User selectable masking sounds for medical instruments | |||
| 166 | 8767974 | System and method for generating comfort noise | |||
| 167 | 8761411 | Masking noise | |||
| 168 | 8761408 | Signal processing apparatus and signal processing method | |||
| 169 | 8737634 | Wide area noise cancellation system and method | |||
| 170 | 8718293 | Signal separation system and method for automatically selecting threshold to separate sound sources | |||
| 171 | 8666086 | System and method for monitoring/controlling a sound masking system from an electronic floorplan | |||
| 172 | 8660272 | Parameter setting method and audio apparatus | |||
| 173 | 8630426 | Howling suppression using echo cancellation | |||
2013 | |||||
| 174 | 8620003 | Embedded audio system in distributed acoustic sources | |||
| 175 | 8477958 | Networked sound masking system | |||
| 176 | 8428272 | Masking sound generating apparatus, masking system, masking sound generating method, and program | |||
| 177 | 8355514 | Audio encoding to convey auxiliary information, and media embodying same | |||
| 178 | 8351624 | Audio output apparatus, audio input apparatus, audio control apparatus, audio control system, and audio control method | |||
2012 | |||||
| 179 | 8340320 | Mute circuits | |||
| 180 | 8306237 | Head-mounting device to mask ambient sounds for sleeping | |||
| 181 | 8295504 | Methods and devices for fan control of an electronic device based on loudness data | |||
| 182 | 8280069 | Noise reduction apparatus | |||
| 183 | 8280068 | Ambient audio transformation using transformation audio | |||
| 184 | 8280067 | Integrated ambient audio transformation device | |||
| 185 | 8271288 | Sound masking system and masking sound generation method | |||
| 186 | 8254590 | System and method for intelligibility enhancement of audio information | |||
| 187 | 8243944 | Foldable wireless voice muffling device for mobile communications | |||
| 188 | 8229130 | Distributed acoustic conversation shielding system | |||
| 189 | 8229129 | Method, medium, and apparatus for extracting target sound from mixed sound | |||
| 190 | 8223985 | Masking of pure tones within sound from a noise generating source | |||
| 191 | 8218783 | Masking based gain control | |||
| 192 | 8194874 | In-room acoustic magnitude response smoothing via summation of correction signals | |||
| 193 | 8189802 | Digital filtering in a Class D amplifier system to reduce noise fold over | |||
| 194 | 8180064 | System and method for providing voice equalization | |||
| 195 | 8170230 | Reducing audio masking | |||
| 196 | 8165314 | Audio output apparatus and audio output method | |||
| 197 | 8107639 | System and method for a sound masking system for networked workstations or offices | |||
| 198 | 8094829 | Method for processing sound data | |||
2011 | |||||
| 199 | 8059828 | Audio privacy method and system | |||
| 200 | 8050931 | Sound masking system and masking sound generation method | |||
| 201 | 8019092 | Aural device with white noise generator | |||
| 202 | 7974714 | Intelligent electronic appliance system and method | |||
| 203 | 7936885 | Audio/video reproducing systems, methods and computer program products that modify audio/video electrical signals in response to specific sounds/images | |||
2010 | |||||
| 204 | 7813822 | Intelligent electronic appliance system and method | |||
| 205 | 7804964 | Device for protecting the hearing from loud MRT sounds | |||
| 206 | 7787876 | Method and system for mobile call testing using contactless ring detection | |||
| 207 | 7778829 | Real time monitoring and control for audio devices | |||
| 208 | 7697702 | Condenser microphone | |||
| 209 | 7664274 | Enhanced acoustic transmission system and method | |||
2009 | |||||
| 210 | 7552050 | Speech recognition system and method utilizing adaptive cancellation for talk-back voice | |||
| 211 | 7492911 | Noise reducing device | |||
2008 | |||||
| 212 | 7471797 | Networked sound masking system with centralized sound masking generation | |||
| 213 | 7460675 | Auto-adjusting sound masking system and method | |||
| 214 | 7457422 | Method and implementation for detecting and characterizing audible transients in noise | |||
| 215 | 7435228 | High fidelity hearing restoration | |||
2007 | |||||
| 216 | 7194094 | Sound masking system | |||
2006 | |||||
| 217 | 7106868 | Active noise control for vehicle door noise | |||
| 218 | 7088828 | Methods and apparatus for providing privacy for a user of an audio electronic device | |||
2005 | |||||
| 219 | 6917915 | Memory sharing scheme in audio post-processing | |||
| 220 | 6868158 | Echo processing apparatus | |||
2004 | |||||
| 221 | 6798887 | Key click masker and method for masking key clicks | |||
| 222 | 6771769 | Method and apparatus for active reduction of speakerphone singing | |||
| 223 | 6748086 | Cabin communication system without acoustic echo cancellation | |||
| 224 | 6690800 | Method and apparatus for communication operator privacy | |||
| 225 | 6674865 | Automatic volume control for communication system | |||
| 226 | 6674863 | Microphone-speaker apparatus | |||
2003 | |||||
| 227 | 6671379 | Ear microphone apparatus and method | |||
| 228 | 6647368 | Sensor pair for detecting changes within a human ear and producing a signal corresponding to thought, movement, biological function and/or speech | |||
| 229 | 6577738 | Parametric virtual speaker and surround-sound system | |||
| 230 | 6535609 | Cabin communication system | |||
2002 | |||||
| 231 | 6466674 | Method and apparatus for eliminating audio feedback | |||
| 232 | 6442280 | Apparatus detecting howling by decay profile of impulse response in sound system | |||
| 233 | 6418227 | Active noise control system and method for on-line feedback path modeling | |||
| 234 | 6389440 | Acoustic feedback correction | |||
2001 | |||||
| 235 | 6269165 | Method and apparatus for reduction of unwanted feedback | |||
| 236 | 6269052 | Transmitting/receiving circuit and transmitting/receiving method for a transducer | |||
| 237 | 6256394 | Transmission system for correlated signals | |||
| 238 | 6252969 | Howling detection and prevention circuit and a loudspeaker system employing the same | |||
| 239 | 6229899 | Method and device for developing a virtual speaker distant from the sound source | |||
| 240 | 6195439 | Voice signal processor | |||
2000 | |||||
| 241 | 6108427 | Method and apparatus for eliminating audio feedback | |||
| 242 | 6067655 | Burst error limiting symbol detector system | |||
1999 | |||||
| 243 | 5999631 | Acoustic feedback elimination using adaptive notch filter algorithm | |||
| 244 | 5910994 | Method and apparatus for suppressing acoustic feedback in an audio system | |||
| 245 | 5894513 | Hands-free communication unit having residual acoustic echo suppression means for suppressing residual echoes which have been left unremoved by an echo canceller, a bilateral communication system and a method for suppressing residual echoes | |||
| 246 | 5889870 | Acoustic heterodyne device and method | |||
| 247 | 5857167 | Combined speech coder and echo canceler | |||
1998 | |||||
| 248 | 5737409 | Echo removing apparatus | |||
| 249 | 5734728 | Portable sound speaker system and driving circuit therefor | |||
| 250 | 5729614 | Howling remover composed of adjustable equalizers for attenuating complicated noise peaks | |||
| 251 | 5717772 | Method and apparatus for suppressing acoustic feedback in an audio system | |||
| 252 | 5710823 | Howling remover having cascade connected equalizers suppressing multiple noise peaks | |||
1997 | |||||
| 253 | 5677987 | Feedback detector and suppressor | |||
| 254 | 5668883 | Headphone apparatus including an equalizer system having an open loop characteristic with a rising slope outside the cancellation band | |||
| 255 | 5666424 | Six-axis surround sound processor with automatic balancing and calibration | |||
| 256 | 5664019 | Systems for feedback cancellation in an audio interface garment | |||
| 257 | 5625696 | Six-axis surround sound processor with improved matrix and cancellation control | |||
1995 | |||||
| 258 | 5442712 | Sound amplifying apparatus with automatic howl-suppressing function | |||
| 259 | 5404397 | Conference system with automatic speaker detection and speaker unit | |||
| 260 | 5386474 | Amplifier-speaker interface correction circuit | |||
1994 | |||||
| 261 | 5307417 | Sound system with howling-prevention function | |||
| 262 | 5305307 | Adaptive acoustic echo canceller having means for reducing or eliminating echo in a plurality of signal bandwidths | |||
1993 | |||||
| 263 | 5263019 | Method and apparatus for estimating the level of acoustic feedback between a loudspeaker and microphone | |||
| 264 | 5245665 | Method and apparatus for adaptive audio resonant frequency filtering | |||
| 265 | 5233661 | Sound field variable apparatus | |||
| 266 | 5218642 | Feedback noise-eliminating microphone circuit | |||
| 267 | 5187692 | Acoustic transfer function simulating method and simulator using the same | |||
1990 | |||||
| 268 | 4965833 | Voice enhancer system | |||
| 269 | 4905290 | Howling protective apparatus | |||
1989 | |||||
| 270 | 4837829 | Acoustic sound system for a room | |||
| 271 | 4817160 | Amplifier with automatic gain control | |||
| 272 | 4805728 | Sound system with anechoic enclosure | |||
1988 | |||||
| 273 | 4783819 | Automatically controlled amplifier arrangement | |||
| 274 | 4747132 | Howling canceller | |||
1985 | |||||
| 275 | 4493101 | Anti-howl back device | |||
1984 | |||||
| 276 | 4455675 | Headphoning | |||
| 277 | 4453039 | Arrangement for avoiding annoying sustained oscillations in a closed-loop system and loud-speaking telephone set employing this arrangement | |||
| 278 | 4449237 | Audio feedback suppressor | |||
1983 | |||||
| 279 | 4382398 | Method and apparatus for eliminating feedback in stage monitors | |||
| 280 | 4378468 | Methods and apparatus for alleviating sound-coupled feedback in conference room sound systems | |||
| 281 | 4369412 | Audio amplifier | |||
1981 | |||||
| 282 | 4275269 | Public address system | |||
1980 | |||||
| 283 | 4237339 | Audio teleconferencing | |||
1979 | |||||
| 284 | 4165445 | Circuit for preventing acoustic feedback | |||
| 285 | 4164715 | Feedback elimination system employing notch filter | |||
1978 | |||||
| 286 | 4131760 | Multiple microphone dereverberation system | |||
| 287 | 4091236 | Automatically tunable notch filter and method for suppression of acoustical feedback | |||
| 288 | 4088835 | Comprehensive feedback elimination system employing notch filter | |||
| 289 | 4088834 | Feedback elimination system employing notch filter | |||
| 290 | 4081622 | Electronic circuit for a speakerphone | |||
| 291 | 4079199 | Acoustic feedback detector and automatic gain control | |||
1977 | |||||
| 292 | 4064462 | Acoustic feedback peak elimination unit | |||
| 293 | 4039753 | Singing suppressor device | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||