ATE496496T1 - Direktionale audiosignalverarbeitung unter verwendung einer überabgetasteten filterbank - Google Patents

Direktionale audiosignalverarbeitung unter verwendung einer überabgetasteten filterbank

Info

Publication number
ATE496496T1
ATE496496T1 AT02757993T AT02757993T ATE496496T1 AT E496496 T1 ATE496496 T1 AT E496496T1 AT 02757993 T AT02757993 T AT 02757993T AT 02757993 T AT02757993 T AT 02757993T AT E496496 T1 ATE496496 T1 AT E496496T1
Authority
AT
Austria
Prior art keywords
signal processing
audio signal
filter bank
filterbank
directional audio
Prior art date
Application number
AT02757993T
Other languages
English (en)
Inventor
Robert Brennan
Edward Chau
Hamid Sheikhzadeh Nadjar
Todd Schneider
Original Assignee
Emma Mixed Signal Cv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4169688&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE496496(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Emma Mixed Signal Cv filed Critical Emma Mixed Signal Cv
Application granted granted Critical
Publication of ATE496496T1 publication Critical patent/ATE496496T1/de

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/405—Arrangements for obtaining a desired directivity characteristic by combining a plurality of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • H04R25/507—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing implemented by neural network or fuzzy logic

Landscapes

  • Signal Processing (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Complex Calculations (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Electrophonic Musical Instruments (AREA)
AT02757993T 2001-08-08 2002-08-07 Direktionale audiosignalverarbeitung unter verwendung einer überabgetasteten filterbank ATE496496T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002354858A CA2354858A1 (en) 2001-08-08 2001-08-08 Subband directional audio signal processing using an oversampled filterbank
PCT/CA2002/001220 WO2003015464A2 (en) 2001-08-08 2002-08-07 Directional audio signal processing using an oversampled filterbank

Publications (1)

Publication Number Publication Date
ATE496496T1 true ATE496496T1 (de) 2011-02-15

Family

ID=4169688

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02757993T ATE496496T1 (de) 2001-08-08 2002-08-07 Direktionale audiosignalverarbeitung unter verwendung einer überabgetasteten filterbank

Country Status (10)

Country Link
US (2) US7359520B2 (de)
EP (1) EP1423988B2 (de)
JP (2) JP4612302B2 (de)
CN (1) CN100534221C (de)
AT (1) ATE496496T1 (de)
AU (1) AU2002325101B2 (de)
CA (1) CA2354858A1 (de)
DE (1) DE60238996D1 (de)
DK (1) DK1423988T4 (de)
WO (1) WO2003015464A2 (de)

Families Citing this family (189)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
PT1423847E (pt) 2001-11-29 2005-05-31 Coding Tech Ab Reconstrucao de componentes de frequencia elevada
JP3910898B2 (ja) * 2002-09-17 2007-04-25 株式会社東芝 指向性設定装置、指向性設定方法及び指向性設定プログラム
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
US7174022B1 (en) * 2002-11-15 2007-02-06 Fortemedia, Inc. Small array microphone for beam-forming and noise suppression
DE10312065B4 (de) * 2003-03-18 2005-10-13 Technische Universität Berlin Verfahren und Vorrichtung zum Entmischen akustischer Signale
AU2003901634A0 (en) * 2003-04-04 2003-05-01 Cochlear Limited Reduced power consumption in audio processors
US7519186B2 (en) * 2003-04-25 2009-04-14 Microsoft Corporation Noise reduction systems and methods for voice applications
SE0301273D0 (sv) * 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
EP1489882A3 (de) * 2003-06-20 2009-07-29 Siemens Audiologische Technik GmbH Verfahren zum Betrieb eines Hörhilfegerätes, sowie Hörhilfegerät mit einem Mikrofonsystem, bei dem unterschiedliche Richtcharakteristiken einstellbar sind
EP1538867B1 (de) * 2003-06-30 2012-07-18 Nuance Communications, Inc. Freisprechanlage für ein Kraftfahrzeug
EP1524879B1 (de) * 2003-06-30 2014-05-07 Nuance Communications, Inc. Freisprechanlage zur Verwendung in einem Fahrzeug
US20050018796A1 (en) * 2003-07-07 2005-01-27 Sande Ravindra Kumar Method of combining an analysis filter bank following a synthesis filter bank and structure therefor
JP2005051744A (ja) * 2003-07-17 2005-02-24 Matsushita Electric Ind Co Ltd 通話装置
WO2005065012A2 (en) * 2003-12-24 2005-07-21 Nokia Corporation A method for efficient beamforming using a complementary noise separation filter
US20050147258A1 (en) * 2003-12-24 2005-07-07 Ville Myllyla Method for adjusting adaptation control of adaptive interference canceller
US7769107B2 (en) * 2004-06-10 2010-08-03 Intel Corporation Semi-blind analog beamforming for multiple-antenna systems
US20060020454A1 (en) * 2004-07-21 2006-01-26 Phonak Ag Method and system for noise suppression in inductive receivers
CA2481631A1 (en) * 2004-09-15 2006-03-15 Dspfactory Ltd. Method and system for physiological signal processing
CA2481629A1 (en) * 2004-09-15 2006-03-15 Dspfactory Ltd. Method and system for active noise cancellation
EP1805918B1 (de) 2004-09-27 2019-02-20 Nielsen Media Research, Inc. Verfahren und vorrichtungen zur verwendung von lokalisierungsinformationen zur verwaltung von überlauf in einem zuschauerschafts-überwachungssystem
US20070297519A1 (en) * 2004-10-28 2007-12-27 Jeffrey Thompson Audio Spatial Environment Engine
US7817743B2 (en) * 2004-12-22 2010-10-19 Rambus Inc. Multi-tone system with oversampled precoders
US8509321B2 (en) * 2004-12-23 2013-08-13 Rambus Inc. Simultaneous bi-directional link
EP1691572B8 (de) * 2005-02-09 2019-09-11 Oticon A/s Eine Methode und ein System zur Ausbildung eines Hörgeräts mittels einer selbst organisierten Abbildung (SOM)
US7472041B2 (en) 2005-08-26 2008-12-30 Step Communications Corporation Method and apparatus for accommodating device and/or signal mismatch in a sensor array
US20070050441A1 (en) * 2005-08-26 2007-03-01 Step Communications Corporation,A Nevada Corporati Method and apparatus for improving noise discrimination using attenuation factor
US7619563B2 (en) 2005-08-26 2009-11-17 Step Communications Corporation Beam former using phase difference enhancement
US20070047743A1 (en) * 2005-08-26 2007-03-01 Step Communications Corporation, A Nevada Corporation Method and apparatus for improving noise discrimination using enhanced phase difference value
US7415372B2 (en) 2005-08-26 2008-08-19 Step Communications Corporation Method and apparatus for improving noise discrimination in multiple sensor pairs
CN101263734B (zh) * 2005-09-02 2012-01-25 丰田自动车株式会社 麦克风阵列用后置滤波器
US7774396B2 (en) 2005-11-18 2010-08-10 Dynamic Hearing Pty Ltd Method and device for low delay processing
US8345890B2 (en) 2006-01-05 2013-01-01 Audience, Inc. System and method for utilizing inter-microphone level differences for speech enhancement
US8194880B2 (en) 2006-01-30 2012-06-05 Audience, Inc. System and method for utilizing omni-directional microphones for speech enhancement
US8204252B1 (en) 2006-10-10 2012-06-19 Audience, Inc. System and method for providing close microphone adaptive array processing
US9185487B2 (en) * 2006-01-30 2015-11-10 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction
US8744844B2 (en) 2007-07-06 2014-06-03 Audience, Inc. System and method for adaptive intelligent noise suppression
JP5460057B2 (ja) 2006-02-21 2014-04-02 ウルフソン・ダイナミック・ヒアリング・ピーティーワイ・リミテッド 低遅延処理方法及び方法
US7864969B1 (en) * 2006-02-28 2011-01-04 National Semiconductor Corporation Adaptive amplifier circuitry for microphone array
US8849231B1 (en) 2007-08-08 2014-09-30 Audience, Inc. System and method for adaptive power control
US8934641B2 (en) * 2006-05-25 2015-01-13 Audience, Inc. Systems and methods for reconstructing decomposed audio signals
US8949120B1 (en) 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
US8150065B2 (en) 2006-05-25 2012-04-03 Audience, Inc. System and method for processing an audio signal
US8204253B1 (en) 2008-06-30 2012-06-19 Audience, Inc. Self calibration of audio device
EP1879292B1 (de) * 2006-07-10 2013-03-06 Harman Becker Automotive Systems GmbH Partitionierte schnelle Faltung
US7885688B2 (en) * 2006-10-30 2011-02-08 L-3 Communications Integrated Systems, L.P. Methods and systems for signal selection
WO2008061534A1 (en) * 2006-11-24 2008-05-29 Rasmussen Digital Aps Signal processing using spatial filter
US8259926B1 (en) 2007-02-23 2012-09-04 Audience, Inc. System and method for 2-channel and 3-channel acoustic echo cancellation
US8982744B2 (en) * 2007-06-06 2015-03-17 Broadcom Corporation Method and system for a subband acoustic echo canceller with integrated voice activity detection
US8189766B1 (en) 2007-07-26 2012-05-29 Audience, Inc. System and method for blind subband acoustic echo cancellation postfiltering
JP4469882B2 (ja) * 2007-08-16 2010-06-02 株式会社東芝 音響信号処理方法及び装置
CN100462878C (zh) * 2007-08-29 2009-02-18 南京工业大学 智能机器人识别舞蹈音乐节奏的方法
US20090150144A1 (en) * 2007-12-10 2009-06-11 Qnx Software Systems (Wavemakers), Inc. Robust voice detector for receive-side automatic gain control
US8180064B1 (en) 2007-12-21 2012-05-15 Audience, Inc. System and method for providing voice equalization
US8143620B1 (en) 2007-12-21 2012-03-27 Audience, Inc. System and method for adaptive classification of audio sources
US8194882B2 (en) 2008-02-29 2012-06-05 Audience, Inc. System and method for providing single microphone noise suppression fallback
US8355511B2 (en) 2008-03-18 2013-01-15 Audience, Inc. System and method for envelope-based acoustic echo cancellation
WO2009145192A1 (ja) * 2008-05-28 2009-12-03 日本電気株式会社 音声検出装置、音声検出方法、音声検出プログラム及び記録媒体
WO2009151578A2 (en) * 2008-06-09 2009-12-17 The Board Of Trustees Of The University Of Illinois Method and apparatus for blind signal recovery in noisy, reverberant environments
US8774423B1 (en) 2008-06-30 2014-07-08 Audience, Inc. System and method for controlling adaptivity of signal modification using a phantom coefficient
US8521530B1 (en) 2008-06-30 2013-08-27 Audience, Inc. System and method for enhancing a monaural audio signal
TWI458258B (zh) 2009-02-18 2014-10-21 杜比國際公司 低延遲調變濾波器組及用以設計該低延遲調變濾波器組之方法
JP5113794B2 (ja) * 2009-04-02 2013-01-09 日本電信電話株式会社 適応マイクロホンアレイ残響抑圧装置、適応マイクロホンアレイ残響抑圧方法及びプログラム
EP2249334A1 (de) * 2009-05-08 2010-11-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audioformat-Transkodierer
US8571231B2 (en) 2009-10-01 2013-10-29 Qualcomm Incorporated Suppressing noise in an audio signal
US9008329B1 (en) 2010-01-26 2015-04-14 Audience, Inc. Noise reduction using multi-feature cluster tracker
JP2011212433A (ja) * 2010-03-19 2011-10-27 Nike Internatl Ltd マイクロホンアレイ及びその使用方法
US9558755B1 (en) 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
CN103039093A (zh) * 2010-06-08 2013-04-10 Ip音乐集团有限公司 用于增大音频系统中的反馈检测速率的系统和方法
US8638951B2 (en) * 2010-07-15 2014-01-28 Motorola Mobility Llc Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals
US8759661B2 (en) 2010-08-31 2014-06-24 Sonivox, L.P. System and method for audio synthesizer utilizing frequency aperture arrays
US8861756B2 (en) 2010-09-24 2014-10-14 LI Creative Technologies, Inc. Microphone array system
US8675881B2 (en) 2010-10-21 2014-03-18 Bose Corporation Estimation of synthetic audio prototypes
US9078077B2 (en) 2010-10-21 2015-07-07 Bose Corporation Estimation of synthetic audio prototypes with frequency-based input signal decomposition
US8908877B2 (en) 2010-12-03 2014-12-09 Cirrus Logic, Inc. Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices
US9142207B2 (en) 2010-12-03 2015-09-22 Cirrus Logic, Inc. Oversight control of an adaptive noise canceler in a personal audio device
WO2012086834A1 (ja) * 2010-12-21 2012-06-28 日本電信電話株式会社 音声強調方法、装置、プログラム、記録媒体
CN102164328B (zh) * 2010-12-29 2013-12-11 中国科学院声学研究所 一种用于家庭环境的基于传声器阵列的音频输入系统
EP3151580B1 (de) 2011-03-30 2018-11-21 Kaetel Systems GmbH Lautsprecher
EP2530840B1 (de) * 2011-05-30 2014-09-03 Harman Becker Automotive Systems GmbH Effiziente adaptive Subband-FIR-Filterung
US9214150B2 (en) 2011-06-03 2015-12-15 Cirrus Logic, Inc. Continuous adaptation of secondary path adaptive response in noise-canceling personal audio devices
US9824677B2 (en) 2011-06-03 2017-11-21 Cirrus Logic, Inc. Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)
US8948407B2 (en) 2011-06-03 2015-02-03 Cirrus Logic, Inc. Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)
US9318094B2 (en) 2011-06-03 2016-04-19 Cirrus Logic, Inc. Adaptive noise canceling architecture for a personal audio device
US8958571B2 (en) * 2011-06-03 2015-02-17 Cirrus Logic, Inc. MIC covering detection in personal audio devices
US9973848B2 (en) * 2011-06-21 2018-05-15 Amazon Technologies, Inc. Signal-enhancing beamforming in an augmented reality environment
US8653354B1 (en) * 2011-08-02 2014-02-18 Sonivoz, L.P. Audio synthesizing systems and methods
CN102957993B (zh) * 2011-08-30 2015-05-20 中国科学院微电子研究所 低功耗wola滤波器组及其分析阶段电路
US9325821B1 (en) * 2011-09-30 2016-04-26 Cirrus Logic, Inc. Sidetone management in an adaptive noise canceling (ANC) system including secondary path modeling
US9055357B2 (en) * 2012-01-05 2015-06-09 Starkey Laboratories, Inc. Multi-directional and omnidirectional hybrid microphone for hearing assistance devices
DE102012204877B3 (de) 2012-03-27 2013-04-18 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung für eine binaurale Versorgung und Verfahren zum Bereitstellen einer binauralen Versorgung
US9142205B2 (en) 2012-04-26 2015-09-22 Cirrus Logic, Inc. Leakage-modeling adaptive noise canceling for earspeakers
US9014387B2 (en) 2012-04-26 2015-04-21 Cirrus Logic, Inc. Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels
US9319781B2 (en) 2012-05-10 2016-04-19 Cirrus Logic, Inc. Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC)
US9082387B2 (en) 2012-05-10 2015-07-14 Cirrus Logic, Inc. Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devices
US9123321B2 (en) 2012-05-10 2015-09-01 Cirrus Logic, Inc. Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system
US9318090B2 (en) 2012-05-10 2016-04-19 Cirrus Logic, Inc. Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system
US9532139B1 (en) 2012-09-14 2016-12-27 Cirrus Logic, Inc. Dual-microphone frequency amplitude response self-calibration
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
EP2747451A1 (de) * 2012-12-21 2014-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Filter und Verfahren für informierte räumliche Filterung mit mehreren momentanen Ankunftsrichtungsschätzungen
EP2765787B1 (de) 2013-02-07 2019-12-11 Sennheiser Communications A/S Verfahren zur Reduzierung von nicht korreliertem Rauschen in einer Audioverarbeitungsvorrichtung
US9107010B2 (en) 2013-02-08 2015-08-11 Cirrus Logic, Inc. Ambient noise root mean square (RMS) detector
US9021516B2 (en) 2013-03-01 2015-04-28 The Nielsen Company (Us), Llc Methods and systems for reducing spillover by measuring a crest factor
US9118960B2 (en) 2013-03-08 2015-08-25 The Nielsen Company (Us), Llc Methods and systems for reducing spillover by detecting signal distortion
US9369798B1 (en) 2013-03-12 2016-06-14 Cirrus Logic, Inc. Internal dynamic range control in an adaptive noise cancellation (ANC) system
CN105229737B (zh) 2013-03-13 2019-05-17 寇平公司 噪声消除麦克风装置
US9414150B2 (en) 2013-03-14 2016-08-09 Cirrus Logic, Inc. Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device
US9215749B2 (en) 2013-03-14 2015-12-15 Cirrus Logic, Inc. Reducing an acoustic intensity vector with adaptive noise cancellation with two error microphones
US9191704B2 (en) 2013-03-14 2015-11-17 The Nielsen Company (Us), Llc Methods and systems for reducing crediting errors due to spillover using audio codes and/or signatures
US9197930B2 (en) * 2013-03-15 2015-11-24 The Nielsen Company (Us), Llc Methods and apparatus to detect spillover in an audience monitoring system
US9467776B2 (en) 2013-03-15 2016-10-11 Cirrus Logic, Inc. Monitoring of speaker impedance to detect pressure applied between mobile device and ear
US9635480B2 (en) 2013-03-15 2017-04-25 Cirrus Logic, Inc. Speaker impedance monitoring
US9208771B2 (en) 2013-03-15 2015-12-08 Cirrus Logic, Inc. Ambient noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices
US9502020B1 (en) 2013-03-15 2016-11-22 Cirrus Logic, Inc. Robust adaptive noise canceling (ANC) in a personal audio device
EP2782094A1 (de) 2013-03-22 2014-09-24 Thomson Licensing Verfahren und Vorrichtung zur Erhöhung der Richtwirkung eines Ambisonics-Signals erster Ordnung
US10206032B2 (en) 2013-04-10 2019-02-12 Cirrus Logic, Inc. Systems and methods for multi-mode adaptive noise cancellation for audio headsets
US9462376B2 (en) 2013-04-16 2016-10-04 Cirrus Logic, Inc. Systems and methods for hybrid adaptive noise cancellation
US9478210B2 (en) 2013-04-17 2016-10-25 Cirrus Logic, Inc. Systems and methods for hybrid adaptive noise cancellation
US9460701B2 (en) 2013-04-17 2016-10-04 Cirrus Logic, Inc. Systems and methods for adaptive noise cancellation by biasing anti-noise level
US9578432B1 (en) 2013-04-24 2017-02-21 Cirrus Logic, Inc. Metric and tool to evaluate secondary path design in adaptive noise cancellation systems
US9264808B2 (en) 2013-06-14 2016-02-16 Cirrus Logic, Inc. Systems and methods for detection and cancellation of narrow-band noise
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
US9392364B1 (en) 2013-08-15 2016-07-12 Cirrus Logic, Inc. Virtual microphone for adaptive noise cancellation in personal audio devices
US9666176B2 (en) 2013-09-13 2017-05-30 Cirrus Logic, Inc. Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path
US9620101B1 (en) 2013-10-08 2017-04-11 Cirrus Logic, Inc. Systems and methods for maintaining playback fidelity in an audio system with adaptive noise cancellation
EP2876900A1 (de) 2013-11-25 2015-05-27 Oticon A/S Raumfilterbank für Hörsystem
US10219071B2 (en) 2013-12-10 2019-02-26 Cirrus Logic, Inc. Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation
US9704472B2 (en) 2013-12-10 2017-07-11 Cirrus Logic, Inc. Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system
US10382864B2 (en) 2013-12-10 2019-08-13 Cirrus Logic, Inc. Systems and methods for providing adaptive playback equalization in an audio device
CN105981409B (zh) * 2014-02-10 2019-06-14 伯斯有限公司 会话辅助系统
CN103945291B (zh) * 2014-03-05 2017-05-17 北京飞利信科技股份有限公司 一种应用双麦克风定向传声的方法及装置
US9369557B2 (en) 2014-03-05 2016-06-14 Cirrus Logic, Inc. Frequency-dependent sidetone calibration
US9479860B2 (en) 2014-03-07 2016-10-25 Cirrus Logic, Inc. Systems and methods for enhancing performance of audio transducer based on detection of transducer status
US9648410B1 (en) 2014-03-12 2017-05-09 Cirrus Logic, Inc. Control of audio output of headphone earbuds based on the environment around the headphone earbuds
US9319784B2 (en) 2014-04-14 2016-04-19 Cirrus Logic, Inc. Frequency-shaped noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices
US9609416B2 (en) 2014-06-09 2017-03-28 Cirrus Logic, Inc. Headphone responsive to optical signaling
US10181315B2 (en) 2014-06-13 2019-01-15 Cirrus Logic, Inc. Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation system
US10149047B2 (en) * 2014-06-18 2018-12-04 Cirrus Logic Inc. Multi-aural MMSE analysis techniques for clarifying audio signals
US9799330B2 (en) 2014-08-28 2017-10-24 Knowles Electronics, Llc Multi-sourced noise suppression
US9478212B1 (en) 2014-09-03 2016-10-25 Cirrus Logic, Inc. Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device
US10034088B2 (en) * 2014-11-11 2018-07-24 Sony Corporation Sound processing device and sound processing method
US9552805B2 (en) 2014-12-19 2017-01-24 Cirrus Logic, Inc. Systems and methods for performance and stability control for feedback adaptive noise cancellation
WO2016154150A1 (en) * 2015-03-25 2016-09-29 Dolby Laboratories Licensing Corporation Sub-band mixing of multiple microphones
US9838782B2 (en) 2015-03-30 2017-12-05 Bose Corporation Adaptive mixing of sub-band signals
US9924224B2 (en) 2015-04-03 2018-03-20 The Nielsen Company (Us), Llc Methods and apparatus to determine a state of a media presentation device
US9601131B2 (en) * 2015-06-25 2017-03-21 Htc Corporation Sound processing device and method
US9848222B2 (en) 2015-07-15 2017-12-19 The Nielsen Company (Us), Llc Methods and apparatus to detect spillover
WO2017029550A1 (en) 2015-08-20 2017-02-23 Cirrus Logic International Semiconductor Ltd Feedback adaptive noise cancellation (anc) controller and method having a feedback response partially provided by a fixed-response filter
US9578415B1 (en) * 2015-08-21 2017-02-21 Cirrus Logic, Inc. Hybrid adaptive noise cancellation system with filtered error microphone signal
US10244317B2 (en) 2015-09-22 2019-03-26 Samsung Electronics Co., Ltd. Beamforming array utilizing ring radiator loudspeakers and digital signal processing (DSP) optimization of a beamforming array
US9691413B2 (en) 2015-10-06 2017-06-27 Microsoft Technology Licensing, Llc Identifying sound from a source of interest based on multiple audio feeds
CN105355210B (zh) * 2015-10-30 2020-06-23 百度在线网络技术（北京）有限公司 用于远场语音识别的预处理方法和装置
CN107018470B (zh) * 2016-01-28 2019-02-26 讯飞智元信息科技有限公司 一种基于环形麦克风阵列的语音记录方法及系统
US10013966B2 (en) 2016-03-15 2018-07-03 Cirrus Logic, Inc. Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device
US9947323B2 (en) * 2016-04-01 2018-04-17 Intel Corporation Synthetic oversampling to enhance speaker identification or verification
US10492008B2 (en) 2016-04-06 2019-11-26 Starkey Laboratories, Inc. Hearing device with neural network-based microphone signal processing
WO2017174136A1 (en) 2016-04-07 2017-10-12 Sonova Ag Hearing assistance system
JP6634354B2 (ja) * 2016-07-20 2020-01-22 ホシデン株式会社 緊急通報システム用ハンズフリー通話装置
US10614788B2 (en) * 2017-03-15 2020-04-07 Synaptics Incorporated Two channel headset-based own voice enhancement
IT201700040732A1 (it) * 2017-04-12 2018-10-12 Inst Rundfunktechnik Gmbh Verfahren und vorrichtung zum mischen von n informationssignalen
CN107748354B (zh) * 2017-08-08 2021-11-30 中国电子科技集团公司第三十八研究所 基于分析与综合的宽带数字波束形成装置
US9973849B1 (en) * 2017-09-20 2018-05-15 Amazon Technologies, Inc. Signal quality beam selection
DE102018207346B4 (de) * 2018-05-11 2019-11-21 Sivantos Pte. Ltd. Verfahren zum Betrieb eines Hörgeräts sowie Hörgerät
WO2019227279A1 (zh) * 2018-05-28 2019-12-05 深圳市大疆创新科技有限公司 降噪方法、装置和无人机
WO2019233588A1 (en) 2018-06-07 2019-12-12 Sonova Ag Microphone device to provide audio with spatial context
US10699727B2 (en) 2018-07-03 2020-06-30 International Business Machines Corporation Signal adaptive noise filter
EP3598777B1 (de) * 2018-07-18 2023-10-11 Oticon A/s Hörgerät mit einem schätzer der wahrscheinlichkeit der sprachanwesenheit
TWI731391B (zh) * 2019-08-15 2021-06-21 緯創資通股份有限公司 麥克風裝置、電子裝置及其音訊信號處理方法
US11317206B2 (en) * 2019-11-27 2022-04-26 Roku, Inc. Sound generation with adaptive directivity
KR102742450B1 (ko) * 2019-12-27 2024-12-17 삼성전자주식회사 전자 장치 및 신경망 기반의 잔여 에코 제거 방법
CN112039494B (zh) * 2020-08-13 2023-10-20 北京电子工程总体研究所 一种克服方位角过零的低通滤波方法、装置、设备和介质
KR20220041432A (ko) * 2020-09-25 2022-04-01 삼성전자주식회사 음향 신호를 이용한 거리 측정 시스템 및 방법
CN112652322A (zh) * 2020-12-23 2021-04-13 江苏集萃智能集成电路设计技术研究所有限公司 一种语音信号增强方法
CN112822592B (zh) * 2020-12-31 2022-07-12 青岛理工大学 一种可定向聆听的有源降噪耳机及控制方法
CN112767963B (zh) * 2021-01-28 2022-11-25 歌尔科技有限公司 一种语音增强方法、装置、系统及计算机可读存储介质
US11570558B2 (en) 2021-01-28 2023-01-31 Sonova Ag Stereo rendering systems and methods for a microphone assembly with dynamic tracking
EP4040801A1 (de) * 2021-02-09 2022-08-10 Oticon A/s Hörgerät mit konfiguration zum auswählen eines referenzmikrofons
CN113038349B (zh) * 2021-02-26 2023-08-08 恒玄科技(上海)股份有限公司 一种音频设备
FR3123173B1 (fr) * 2021-05-20 2024-07-12 Sounduct Appareil auditif à conduction osseuse
CN115831155B (zh) 2021-09-16 2026-01-30 腾讯科技（深圳）有限公司 音频信号的处理方法、装置、电子设备及存储介质
US12075215B2 (en) 2022-01-14 2024-08-27 Chromatic Inc. Method, apparatus and system for neural network hearing aid
US11832061B2 (en) 2022-01-14 2023-11-28 Chromatic Inc. Method, apparatus and system for neural network hearing aid
CN116193345B (zh) * 2022-12-27 2025-10-03 江苏珞珈聚芯集成电路设计有限公司 多通道语音处理装置、助听器系统及语音处理方法
US12401942B1 (en) 2023-05-25 2025-08-26 Amazon Technologies, Inc. Group beam selection and beam merging
US20250048043A1 (en) 2023-08-04 2025-02-06 Chromatic Inc. Ear-worn device with neural network-based noise modification and/or spatial focusing
US11937047B1 (en) 2023-08-04 2024-03-19 Chromatic Inc. Ear-worn device with neural network for noise reduction and/or spatial focusing using multiple input audio signals
US12531048B1 (en) 2023-09-05 2026-01-20 Amazon Technologies, Inc. Step-size control for multi-channel acoustic echo canceller
US20250373990A1 (en) * 2024-05-29 2025-12-04 Oticon A/S Hearing aid comprising a target quality assessment unit
CN118553261B (zh) * 2024-07-25 2024-10-22 深圳市计通智能技术有限公司 一种头戴ar设备的定向音源降噪方法及介质

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US214057A (en) * 1879-04-08 Improvement in screw-wrenches
US4254417A (en) † 1979-08-20 1981-03-03 The United States Of America As Represented By The Secretary Of The Navy Beamformer for arrays with rotational symmetry
US4599743A (en) 1982-01-25 1986-07-08 Itt Corporation Baseband demodulator for FM and/or AM signals
US4852123A (en) 1988-02-05 1989-07-25 Motorola, Inc. Nearly DC IF phase locked transceiver
US5222144A (en) 1991-10-28 1993-06-22 Ford Motor Company Digital quadrature radio receiver with two-step processing
JPH06261388A (ja) * 1993-03-05 1994-09-16 Matsushita Electric Ind Co Ltd マイクロフォン装置
US5383164A (en) † 1993-06-10 1995-01-17 The Salk Institute For Biological Studies Adaptive system for broadband multisignal discrimination in a channel with reverberation
US5651071A (en) † 1993-09-17 1997-07-22 Audiologic, Inc. Noise reduction system for binaural hearing aid
JP3334353B2 (ja) * 1994-09-02 2002-10-15 ソニー株式会社 聴覚補助装置
US5715319A (en) * 1996-05-30 1998-02-03 Picturetel Corporation Method and apparatus for steerable and endfire superdirective microphone arrays with reduced analog-to-digital converter and computational requirements
US5724270A (en) † 1996-08-26 1998-03-03 He Holdings, Inc. Wave-number-frequency adaptive beamforming
US6240192B1 (en) 1997-04-16 2001-05-29 Dspfactory Ltd. Apparatus for and method of filtering in an digital hearing aid, including an application specific integrated circuit and a programmable digital signal processor
US6236731B1 (en) 1997-04-16 2001-05-22 Dspfactory Ltd. Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids
US6248192B1 (en) † 1998-05-08 2001-06-19 Usf Filtration And Separations Group, Inc Process for making an alloy
GB9813973D0 (en) † 1998-06-30 1998-08-26 Univ Stirling Interactive directional hearing aid
US6829779B1 (en) * 1998-09-16 2004-12-07 Webtv Networks, Inc. User interface for entertainment system setup
EP1018854A1 (de) † 1999-01-05 2000-07-12 Oticon A/S Verfahren und Vorrichtung zur Verbesserung der Sprachverständlichkeit
CA2354755A1 (en) 2001-08-07 2003-02-07 Dspfactory Ltd. Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank
CA2354808A1 (en) 2001-08-07 2003-02-07 King Tam Sub-band adaptive signal processing in an oversampled filterbank

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