ATE531030T1 - Mehrmikrofon-sprachaktivitätsdetektor - Google Patents

Mehrmikrofon-sprachaktivitätsdetektor

Info

Publication number
ATE531030T1
ATE531030T1 AT08833863T AT08833863T ATE531030T1 AT E531030 T1 ATE531030 T1 AT E531030T1 AT 08833863 T AT08833863 T AT 08833863T AT 08833863 T AT08833863 T AT 08833863T AT E531030 T1 ATE531030 T1 AT E531030T1
Authority
AT
Austria
Prior art keywords
determined
speech
noise
voice activity
reference microphone
Prior art date
Application number
AT08833863T
Other languages
English (en)
Inventor
Song Wang
Samir Kumar Gupta
Eddie Choy
Original Assignee
Qualcomm Inc
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE531030T1 publication Critical patent/ATE531030T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Push-Button Switches (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
AT08833863T 2007-09-28 2008-09-26 Mehrmikrofon-sprachaktivitätsdetektor ATE531030T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/864,897 US8954324B2 (en) 2007-09-28 2007-09-28 Multiple microphone voice activity detector
PCT/US2008/077994 WO2009042948A1 (en) 2007-09-28 2008-09-26 Multiple microphone voice activity detector

Publications (1)

Publication Number Publication Date
ATE531030T1 true ATE531030T1 (de) 2011-11-15

Family

ID=40002930

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08833863T ATE531030T1 (de) 2007-09-28 2008-09-26 Mehrmikrofon-sprachaktivitätsdetektor

Country Status (12)

Country Link
US (1) US8954324B2 (de)
EP (1) EP2201563B1 (de)
JP (1) JP5102365B2 (de)
KR (1) KR101265111B1 (de)
CN (1) CN101790752B (de)
AT (1) ATE531030T1 (de)
BR (1) BRPI0817731A8 (de)
CA (1) CA2695231C (de)
ES (1) ES2373511T3 (de)
RU (1) RU2450368C2 (de)
TW (1) TWI398855B (de)
WO (1) WO2009042948A1 (de)

Families Citing this family (118)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8019091B2 (en) 2000-07-19 2011-09-13 Aliphcom, Inc. Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression
US8280072B2 (en) 2003-03-27 2012-10-02 Aliphcom, Inc. Microphone array with rear venting
US8326611B2 (en) * 2007-05-25 2012-12-04 Aliphcom, Inc. Acoustic voice activity detection (AVAD) for electronic systems
US9066186B2 (en) 2003-01-30 2015-06-23 Aliphcom Light-based detection for acoustic applications
US8477961B2 (en) * 2003-03-27 2013-07-02 Aliphcom, Inc. Microphone array with rear venting
US9099094B2 (en) 2003-03-27 2015-08-04 Aliphcom Microphone array with rear venting
US8949120B1 (en) 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
US8321213B2 (en) * 2007-05-25 2012-11-27 Aliphcom, Inc. Acoustic voice activity detection (AVAD) for electronic systems
US8503686B2 (en) 2007-05-25 2013-08-06 Aliphcom Vibration sensor and acoustic voice activity detection system (VADS) for use with electronic systems
US8046219B2 (en) * 2007-10-18 2011-10-25 Motorola Mobility, Inc. Robust two microphone noise suppression system
DE602008002695D1 (de) * 2008-01-17 2010-11-04 Harman Becker Automotive Sys Postfilter für einen Strahlformer in der Sprachverarbeitung
US8554550B2 (en) * 2008-01-28 2013-10-08 Qualcomm Incorporated Systems, methods, and apparatus for context processing using multi resolution analysis
US9113240B2 (en) * 2008-03-18 2015-08-18 Qualcomm Incorporated Speech enhancement using multiple microphones on multiple devices
US8184816B2 (en) * 2008-03-18 2012-05-22 Qualcomm Incorporated Systems and methods for detecting wind noise using multiple audio sources
US8812309B2 (en) * 2008-03-18 2014-08-19 Qualcomm Incorporated Methods and apparatus for suppressing ambient noise using multiple audio signals
US8606573B2 (en) * 2008-03-28 2013-12-10 Alon Konchitsky Voice recognition improved accuracy in mobile environments
EP2107553B1 (de) * 2008-03-31 2011-05-18 Harman Becker Automotive Systems GmbH Verfahren zur Erkennung einer Unterbrechung einer Sprachausgabe
US8611556B2 (en) * 2008-04-25 2013-12-17 Nokia Corporation Calibrating multiple microphones
US8244528B2 (en) 2008-04-25 2012-08-14 Nokia Corporation Method and apparatus for voice activity determination
US8275136B2 (en) * 2008-04-25 2012-09-25 Nokia Corporation Electronic device speech enhancement
CN101983402B (zh) * 2008-09-16 2012-06-27 松下电器产业株式会社 声音分析装置、方法、系统、合成装置、及校正规则信息生成装置、方法
US8724829B2 (en) * 2008-10-24 2014-05-13 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coherence detection
US8229126B2 (en) * 2009-03-13 2012-07-24 Harris Corporation Noise error amplitude reduction
US9049503B2 (en) * 2009-03-17 2015-06-02 The Hong Kong Polytechnic University Method and system for beamforming using a microphone array
US8620672B2 (en) * 2009-06-09 2013-12-31 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for phase-based processing of multichannel signal
CN102576528A (zh) * 2009-10-19 2012-07-11 瑞典爱立信有限公司 用于语音活动检测的检测器和方法
EP2339574B1 (de) * 2009-11-20 2013-03-13 Nxp B.V. Sprachdetektor
US20110125497A1 (en) * 2009-11-20 2011-05-26 Takahiro Unno Method and System for Voice Activity Detection
US8462193B1 (en) * 2010-01-08 2013-06-11 Polycom, Inc. Method and system for processing audio signals
US8718290B2 (en) 2010-01-26 2014-05-06 Audience, Inc. Adaptive noise reduction using level cues
US8626498B2 (en) * 2010-02-24 2014-01-07 Qualcomm Incorporated Voice activity detection based on plural voice activity detectors
TWI408673B (zh) * 2010-03-17 2013-09-11 Issc Technologies Corp Voice detection method
CN102201231B (zh) * 2010-03-23 2012-10-24 创杰科技股份有限公司 语音侦测方法
US8473287B2 (en) 2010-04-19 2013-06-25 Audience, Inc. Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system
KR20140026229A (ko) * 2010-04-22 2014-03-05 퀄컴 인코포레이티드 음성 액티비티 검출
US9378754B1 (en) * 2010-04-28 2016-06-28 Knowles Electronics, Llc Adaptive spatial classifier for multi-microphone systems
CN101867853B (zh) * 2010-06-08 2014-11-05 中兴通讯股份有限公司 基于传声器阵列的语音信号处理方法及装置
US8898058B2 (en) * 2010-10-25 2014-11-25 Qualcomm Incorporated Systems, methods, and apparatus for voice activity detection
US20120114130A1 (en) * 2010-11-09 2012-05-10 Microsoft Corporation Cognitive load reduction
ES2860986T3 (es) * 2010-12-24 2021-10-05 Huawei Tech Co Ltd Método y aparato para detectar adaptivamente una actividad de voz en una señal de audio de entrada
CN102971789B (zh) * 2010-12-24 2015-04-15 华为技术有限公司 用于执行话音活动检测的方法和设备
CN102740215A (zh) * 2011-03-31 2012-10-17 Jvc建伍株式会社 声音输入装置、通信装置、及声音输入装置的动作方法
CN102300140B (zh) 2011-08-10 2013-12-18 歌尔声学股份有限公司 一种通信耳机的语音增强方法及降噪通信耳机
US9648421B2 (en) 2011-12-14 2017-05-09 Harris Corporation Systems and methods for matching gain levels of transducers
US9064497B2 (en) * 2012-02-22 2015-06-23 Htc Corporation Method and apparatus for audio intelligibility enhancement and computing apparatus
US20130282373A1 (en) 2012-04-23 2013-10-24 Qualcomm Incorporated Systems and methods for audio signal processing
JP6028502B2 (ja) * 2012-10-03 2016-11-16 沖電気工業株式会社 音声信号処理装置、方法及びプログラム
JP6107151B2 (ja) * 2013-01-15 2017-04-05 富士通株式会社 雑音抑圧装置、方法、及びプログラム
US9107010B2 (en) * 2013-02-08 2015-08-11 Cirrus Logic, Inc. Ambient noise root mean square (RMS) detector
US10306389B2 (en) 2013-03-13 2019-05-28 Kopin Corporation Head wearable acoustic system with noise canceling microphone geometry apparatuses and methods
US9560444B2 (en) * 2013-03-13 2017-01-31 Cisco Technology, Inc. Kinetic event detection in microphones
US9257952B2 (en) 2013-03-13 2016-02-09 Kopin Corporation Apparatuses and methods for multi-channel signal compression during desired voice activity detection
KR20160010606A (ko) * 2013-05-23 2016-01-27 노우레스 일렉트로닉스, 엘엘시 Vad 탐지 마이크로폰 및 그 마이크로폰을 동작시키는 방법
US20140358552A1 (en) * 2013-05-31 2014-12-04 Cirrus Logic, Inc. Low-power voice gate for device wake-up
US9978387B1 (en) * 2013-08-05 2018-05-22 Amazon Technologies, Inc. Reference signal generation for acoustic echo cancellation
WO2015034504A1 (en) * 2013-09-05 2015-03-12 Intel Corporation Mobile phone with variable energy consuming speech recognition module
CN104751853B (zh) * 2013-12-31 2019-01-04 辰芯科技有限公司 双麦克风噪声抑制方法及系统
CN107293287B (zh) * 2014-03-12 2021-10-26 华为技术有限公司 检测音频信号的方法和装置
US9530433B2 (en) * 2014-03-17 2016-12-27 Sharp Laboratories Of America, Inc. Voice activity detection for noise-canceling bioacoustic sensor
US9516409B1 (en) 2014-05-19 2016-12-06 Apple Inc. Echo cancellation and control for microphone beam patterns
CN104092802A (zh) * 2014-05-27 2014-10-08 中兴通讯股份有限公司 音频信号的消噪方法及系统
US9288575B2 (en) * 2014-05-28 2016-03-15 GM Global Technology Operations LLC Sound augmentation system transfer function calibration
CN105321528B (zh) * 2014-06-27 2019-11-05 中兴通讯股份有限公司 一种麦克风阵列语音检测方法及装置
CN104134440B (zh) * 2014-07-31 2018-05-08 百度在线网络技术（北京）有限公司 用于便携式终端的语音检测方法和语音检测装置
US9953661B2 (en) * 2014-09-26 2018-04-24 Cirrus Logic Inc. Neural network voice activity detection employing running range normalization
US9516159B2 (en) * 2014-11-04 2016-12-06 Apple Inc. System and method of double talk detection with acoustic echo and noise control
TWI616868B (zh) * 2014-12-30 2018-03-01 鴻海精密工業股份有限公司 會議記錄裝置及其自動生成會議記錄的方法
US9685156B2 (en) * 2015-03-12 2017-06-20 Sony Mobile Communications Inc. Low-power voice command detector
US9330684B1 (en) * 2015-03-27 2016-05-03 Continental Automotive Systems, Inc. Real-time wind buffet noise detection
US10242689B2 (en) * 2015-09-17 2019-03-26 Intel IP Corporation Position-robust multiple microphone noise estimation techniques
US11631421B2 (en) * 2015-10-18 2023-04-18 Solos Technology Limited Apparatuses and methods for enhanced speech recognition in variable environments
CN105280195B (zh) * 2015-11-04 2018-12-28 腾讯科技（深圳）有限公司 语音信号的处理方法及装置
US10325134B2 (en) 2015-11-13 2019-06-18 Fingerprint Cards Ab Method and system for calibration of an optical fingerprint sensing device
US20170140233A1 (en) * 2015-11-13 2017-05-18 Fingerprint Cards Ab Method and system for calibration of a fingerprint sensing device
CN105609118B (zh) * 2015-12-30 2020-02-07 生迪智慧科技有限公司 语音检测方法及装置
CN106971741B (zh) * 2016-01-14 2020-12-01 芋头科技（杭州）有限公司 实时将语音进行分离的语音降噪的方法及系统
CN106997768B (zh) * 2016-01-25 2019-12-10 电信科学技术研究院 一种语音出现概率的计算方法、装置及电子设备
KR102468148B1 (ko) 2016-02-19 2022-11-21 삼성전자주식회사 전자 장치 및 전자 장치의 음성 및 잡음 분류 방법
US10510363B2 (en) * 2016-03-31 2019-12-17 OmniSpeech LLC Pitch detection algorithm based on PWVT
US10074380B2 (en) * 2016-08-03 2018-09-11 Apple Inc. System and method for performing speech enhancement using a deep neural network-based signal
JP6567478B2 (ja) * 2016-08-25 2019-08-28 日本電信電話株式会社 音源強調学習装置、音源強調装置、音源強調学習方法、プログラム、信号処理学習装置
US10237647B1 (en) * 2017-03-01 2019-03-19 Amazon Technologies, Inc. Adaptive step-size control for beamformer
EP3392882A1 (de) * 2017-04-20 2018-10-24 Thomson Licensing Verfahren zur verarbeitung von audiosignalen und entsprechende elektronische vorrichtung, übergangsloses computerlesbares programmprodukt und computerlesbares speichermedium
JP2018191145A (ja) * 2017-05-08 2018-11-29 オリンパス株式会社 収音装置、収音方法、収音プログラム及びディクテーション方法
US10395667B2 (en) * 2017-05-12 2019-08-27 Cirrus Logic, Inc. Correlation-based near-field detector
CN110582755A (zh) * 2017-06-20 2019-12-17 惠普发展公司，有限责任合伙企业 信号合并器
US10978187B2 (en) 2017-08-10 2021-04-13 Nuance Communications, Inc. Automated clinical documentation system and method
US11316865B2 (en) 2017-08-10 2022-04-26 Nuance Communications, Inc. Ambient cooperative intelligence system and method
US9973849B1 (en) * 2017-09-20 2018-05-15 Amazon Technologies, Inc. Signal quality beam selection
US10839822B2 (en) * 2017-11-06 2020-11-17 Microsoft Technology Licensing, Llc Multi-channel speech separation
US11557306B2 (en) * 2017-11-23 2023-01-17 Harman International Industries, Incorporated Method and system for speech enhancement
CN109994122B (zh) * 2017-12-29 2023-10-31 阿里巴巴集团控股有限公司 语音数据的处理方法、装置、设备、介质和系统
KR102475989B1 (ko) 2018-02-12 2022-12-12 삼성전자주식회사 오디오 신호의 주파수의 변화에 따른 위상 변화율에 기반하여 노이즈가 감쇠된 오디오 신호를 생성하는 장치 및 방법
US11222716B2 (en) 2018-03-05 2022-01-11 Nuance Communications System and method for review of automated clinical documentation from recorded audio
US11250383B2 (en) 2018-03-05 2022-02-15 Nuance Communications, Inc. Automated clinical documentation system and method
WO2019173333A1 (en) 2018-03-05 2019-09-12 Nuance Communications, Inc. Automated clinical documentation system and method
EP3776532A4 (de) * 2018-03-28 2021-12-01 Telepathy Labs, Inc. System und verfahren zur text-zu-sprache-synthese
WO2019186403A1 (en) * 2018-03-29 2019-10-03 3M Innovative Properties Company Voice-activated sound encoding for headsets using frequency domain representations of microphone signals
US10957337B2 (en) 2018-04-11 2021-03-23 Microsoft Technology Licensing, Llc Multi-microphone speech separation
US10847178B2 (en) * 2018-05-18 2020-11-24 Sonos, Inc. Linear filtering for noise-suppressed speech detection
CN108632711B (zh) * 2018-06-11 2020-09-04 广州大学 扩声系统增益自适应控制方法
US11500610B2 (en) * 2018-07-12 2022-11-15 Dolby Laboratories Licensing Corporation Transmission control for audio device using auxiliary signals
EP3667662B1 (de) * 2018-12-12 2022-08-10 Panasonic Intellectual Property Corporation of America Vorrichtung zur unterdrückung von akustischem echo, verfahren zur unterdrückung von akustischem echo und programm zur unterdrückung von akustischem echo
CN111294473B (zh) * 2019-01-28 2022-01-04 展讯通信（上海）有限公司 信号处理方法及装置
JP7404664B2 (ja) * 2019-06-07 2023-12-26 ヤマハ株式会社 音声処理装置及び音声処理方法
US11216480B2 (en) 2019-06-14 2022-01-04 Nuance Communications, Inc. System and method for querying data points from graph data structures
US11043207B2 (en) 2019-06-14 2021-06-22 Nuance Communications, Inc. System and method for array data simulation and customized acoustic modeling for ambient ASR
US11227679B2 (en) 2019-06-14 2022-01-18 Nuance Communications, Inc. Ambient clinical intelligence system and method
CN112153505A (zh) * 2019-06-28 2020-12-29 中强光电股份有限公司 降噪系统及降噪方法
US11531807B2 (en) 2019-06-28 2022-12-20 Nuance Communications, Inc. System and method for customized text macros
US11670408B2 (en) 2019-09-30 2023-06-06 Nuance Communications, Inc. System and method for review of automated clinical documentation
CN111049848B (zh) * 2019-12-23 2021-11-23 腾讯科技（深圳）有限公司 通话方法、装置、系统、服务器及存储介质
CN115605953A (zh) 2020-05-08 2023-01-13 纽奥斯通讯有限公司（Us） 用于多麦克风信号处理的数据增强的系统和方法
WO2021253235A1 (zh) * 2020-06-16 2021-12-23 华为技术有限公司 语音活动检测方法和装置
US11222103B1 (en) 2020-10-29 2022-01-11 Nuance Communications, Inc. Ambient cooperative intelligence system and method
EP4075822B1 (de) * 2021-04-15 2023-06-07 Rtx A/S Mikrofonstummschaltungsbenachrichtigung mit sprachaktivitätsdetektion
WO2023085749A1 (ko) * 2021-11-09 2023-05-19 삼성전자주식회사 빔포밍을 제어하는 전자 장치 및 이의 동작 방법
CN115831145B (zh) * 2023-02-16 2023-06-27 之江实验室 一种双麦克风语音增强方法和系统

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68910859T2 (de) 1988-03-11 1994-12-08 British Telecommunications P.L.C., London Detektion für die Anwesenheit eines Sprachsignals.
US5276779A (en) * 1991-04-01 1994-01-04 Eastman Kodak Company Method for the reproduction of color images based on viewer adaption
IL101556A (en) * 1992-04-10 1996-08-04 Univ Ramot Multi-channel signal separation using cross-polyspectra
TW219993B (en) 1992-05-21 1994-02-01 Ind Tech Res Inst Speech recognition system
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise
US5825671A (en) * 1994-03-16 1998-10-20 U.S. Philips Corporation Signal-source characterization system
JP2758846B2 (ja) 1995-02-27 1998-05-28 埼玉日本電気株式会社 ノイズキャンセラ装置
US5694474A (en) 1995-09-18 1997-12-02 Interval Research Corporation Adaptive filter for signal processing and method therefor
FI100840B (fi) 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
US5774849A (en) 1996-01-22 1998-06-30 Rockwell International Corporation Method and apparatus for generating frame voicing decisions of an incoming speech signal
TW357260B (en) 1997-11-13 1999-05-01 Ind Tech Res Inst Interactive music play method and apparatus
JP3505085B2 (ja) 1998-04-14 2004-03-08 アルパイン株式会社 オーディオ装置
US6526148B1 (en) * 1999-05-18 2003-02-25 Siemens Corporate Research, Inc. Device and method for demixing signal mixtures using fast blind source separation technique based on delay and attenuation compensation, and for selecting channels for the demixed signals
US6694020B1 (en) * 1999-09-14 2004-02-17 Agere Systems, Inc. Frequency domain stereophonic acoustic echo canceller utilizing non-linear transformations
US6424960B1 (en) * 1999-10-14 2002-07-23 The Salk Institute For Biological Studies Unsupervised adaptation and classification of multiple classes and sources in blind signal separation
US8085943B2 (en) * 1999-11-29 2011-12-27 Bizjak Karl M Noise extractor system and method
US6606382B2 (en) 2000-01-27 2003-08-12 Qualcomm Incorporated System and method for implementation of an echo canceller
AU2000251208A1 (en) 2000-06-05 2001-12-17 Nanyang Technological University Adaptive directional noise cancelling microphone system
US20030179888A1 (en) * 2002-03-05 2003-09-25 Burnett Gregory C. Voice activity detection (VAD) devices and methods for use with noise suppression systems
US20070233479A1 (en) * 2002-05-30 2007-10-04 Burnett Gregory C Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors
KR100394840B1 (ko) * 2000-11-30 2003-08-19 한국과학기술원 독립 성분 분석을 이용한 능동 잡음 제거방법
US7941313B2 (en) 2001-05-17 2011-05-10 Qualcomm Incorporated System and method for transmitting speech activity information ahead of speech features in a distributed voice recognition system
JP3364487B2 (ja) 2001-06-25 2003-01-08 隆義 山本 複合音声データの音声分離方法、発言者特定方法、複合音声データの音声分離装置、発言者特定装置、コンピュータプログラム、及び、記録媒体
JP2003241787A (ja) 2002-02-14 2003-08-29 Sony Corp 音声認識装置および方法、並びにプログラム
GB0204548D0 (en) * 2002-02-27 2002-04-10 Qinetiq Ltd Blind signal separation
US6904146B2 (en) * 2002-05-03 2005-06-07 Acoustic Technology, Inc. Full duplex echo cancelling circuit
JP3682032B2 (ja) 2002-05-13 2005-08-10 株式会社ダイマジック オーディオ装置並びにその再生用プログラム
US7082204B2 (en) 2002-07-15 2006-07-25 Sony Ericsson Mobile Communications Ab Electronic devices, methods of operating the same, and computer program products for detecting noise in a signal based on a combination of spatial correlation and time correlation
US7359504B1 (en) * 2002-12-03 2008-04-15 Plantronics, Inc. Method and apparatus for reducing echo and noise
AU2003296976A1 (en) 2002-12-11 2004-06-30 Softmax, Inc. System and method for speech processing using independent component analysis under stability constraints
JP2004274683A (ja) 2003-03-12 2004-09-30 Matsushita Electric Ind Co Ltd エコーキャンセル装置、エコーキャンセル方法、プログラムおよび記録媒体
EP2068308B1 (de) * 2003-09-02 2010-06-16 Nippon Telegraph and Telephone Corporation Signaltrennverfahren, Signaltrenneinrichtung,und Signaltrennprogramm
US7099821B2 (en) * 2003-09-12 2006-08-29 Softmax, Inc. Separation of target acoustic signals in a multi-transducer arrangement
GB0321722D0 (en) * 2003-09-16 2003-10-15 Mitel Networks Corp A method for optimal microphone array design under uniform acoustic coupling constraints
US20050071158A1 (en) * 2003-09-25 2005-03-31 Vocollect, Inc. Apparatus and method for detecting user speech
SG119199A1 (en) * 2003-09-30 2006-02-28 Stmicroelectronics Asia Pacfic Voice activity detector
JP2005227511A (ja) 2004-02-12 2005-08-25 Yamaha Motor Co Ltd 対象音検出方法、音信号処理装置、音声認識装置及びプログラム
JP2005227512A (ja) 2004-02-12 2005-08-25 Yamaha Motor Co Ltd 音信号処理方法及びその装置、音声認識装置並びにプログラム
US8687820B2 (en) 2004-06-30 2014-04-01 Polycom, Inc. Stereo microphone processing for teleconferencing
DE102004049347A1 (de) * 2004-10-08 2006-04-20 Micronas Gmbh Schaltungsanordnung bzw. Verfahren für Sprache enthaltende Audiosignale
US7925504B2 (en) * 2005-01-20 2011-04-12 Nec Corporation System, method, device, and program for removing one or more signals incoming from one or more directions
WO2006131959A1 (ja) 2005-06-06 2006-12-14 Saga University 信号分離装置
US7464029B2 (en) * 2005-07-22 2008-12-09 Qualcomm Incorporated Robust separation of speech signals in a noisy environment
JP4556875B2 (ja) 2006-01-18 2010-10-06 ソニー株式会社 音声信号分離装置及び方法
US7970564B2 (en) 2006-05-02 2011-06-28 Qualcomm Incorporated Enhancement techniques for blind source separation (BSS)
US8068619B2 (en) * 2006-05-09 2011-11-29 Fortemedia, Inc. Method and apparatus for noise suppression in a small array microphone system
US7817808B2 (en) * 2007-07-19 2010-10-19 Alon Konchitsky Dual adaptive structure for speech enhancement
US8175871B2 (en) * 2007-09-28 2012-05-08 Qualcomm Incorporated Apparatus and method of noise and echo reduction in multiple microphone audio systems
US8046219B2 (en) * 2007-10-18 2011-10-25 Motorola Mobility, Inc. Robust two microphone noise suppression system
US8223988B2 (en) * 2008-01-29 2012-07-17 Qualcomm Incorporated Enhanced blind source separation algorithm for highly correlated mixtures

Also Published As

Publication number Publication date
TWI398855B (zh) 2013-06-11
BRPI0817731A8 (pt) 2019-01-08
CA2695231C (en) 2015-02-17
US8954324B2 (en) 2015-02-10
EP2201563A1 (de) 2010-06-30
CN101790752B (zh) 2013-09-04
ES2373511T3 (es) 2012-02-06
JP2010541010A (ja) 2010-12-24
RU2450368C2 (ru) 2012-05-10
JP5102365B2 (ja) 2012-12-19
CN101790752A (zh) 2010-07-28
EP2201563B1 (de) 2011-10-26
TW200926151A (en) 2009-06-16
KR101265111B1 (ko) 2013-05-16
WO2009042948A1 (en) 2009-04-02
KR20100075976A (ko) 2010-07-05
RU2010116727A (ru) 2011-11-10
US20090089053A1 (en) 2009-04-02
CA2695231A1 (en) 2009-04-02

Similar Documents

Publication Publication Date Title
ATE531030T1 (de) Mehrmikrofon-sprachaktivitätsdetektor
Jeub et al. Model-based dereverberation preserving binaural cues
US9906882B2 (en) Method and apparatus for wind noise detection
TW200642428A (en) Wireless telephone having multiple microphones
US9959886B2 (en) Spectral comb voice activity detection
US9384759B2 (en) Voice activity detection and pitch estimation
ATE554481T1 (de) Sprecherlokalisierung
ATE473603T1 (de) Akustische lokalisierung eines sprechers
WO2010000878A3 (en) Speech enhancement method and system
FI20080428L (fi) Järjestelmä ja menetelmä mikrofonien välisten tasoerojen käyttämiseksi puheen ehostamiseksi
WO2014168934A3 (en) Systems and methods for generating a digital output signal in a digital microphone system
JP2004254322A5 (de)
WO2009044562A1 (ja) マイクロホンを用いた雑音抽出装置
WO2008036768A3 (en) System and method for identifying perceptual features
WO2009156756A3 (en) Noise cancellation system
WO2006037060A3 (en) Speech enhancement in the presence of background noise
US9437213B2 (en) Voice signal enhancement
ATE519190T1 (de) Temporäre speicherung oder spezialisierte übertragung von mehrmikrofonsignalen
MX2022001162A (es) Coordinacion de dispositivos de audio.
JP2018527857A5 (de)
WO2021021814A3 (en) Acoustic zoning with distributed microphones
MX2021012707A (es) Deteccion y analisis mejorados de se?ales acusticas biologicas.
CA2485728A1 (en) Detecting acoustic echoes using microphone arrays
GB2500251B (en) Active noise cancellation system
Gerkmann Cepstral weighting for speech dereverberation without musical noise

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties