JP2014523003A - オーディオ信号処理 - Google Patents

オーディオ信号処理 Download PDF

Info

Publication number
JP2014523003A
JP2014523003A JP2014519291A JP2014519291A JP2014523003A JP 2014523003 A JP2014523003 A JP 2014523003A JP 2014519291 A JP2014519291 A JP 2014519291A JP 2014519291 A JP2014519291 A JP 2014519291A JP 2014523003 A JP2014523003 A JP 2014523003A
Authority
JP
Japan
Prior art keywords
signal
audio
main
information
current frame
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2014519291A
Other languages
English (en)
Japanese (ja)
Other versions
JP2014523003A5 (enExample
Inventor
ストローマー,ステファン
ヴァンドボルグ セレンセン,カルステン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsoft Corp
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Publication of JP2014523003A publication Critical patent/JP2014523003A/ja
Publication of JP2014523003A5 publication Critical patent/JP2014523003A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02166Microphone arrays; Beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
JP2014519291A 2011-07-05 2012-07-05 オーディオ信号処理 Pending JP2014523003A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB1111474.1 2011-07-05
GB1111474.1A GB2493327B (en) 2011-07-05 2011-07-05 Processing audio signals
US13/212,688 2011-08-18
US13/212,688 US9269367B2 (en) 2011-07-05 2011-08-18 Processing audio signals during a communication event
PCT/US2012/045556 WO2013006700A2 (en) 2011-07-05 2012-07-05 Processing audio signals

Publications (2)

Publication Number Publication Date
JP2014523003A true JP2014523003A (ja) 2014-09-08
JP2014523003A5 JP2014523003A5 (enExample) 2015-08-27

Family

ID=44512127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014519291A Pending JP2014523003A (ja) 2011-07-05 2012-07-05 オーディオ信号処理

Country Status (7)

Country Link
US (1) US9269367B2 (enExample)
EP (1) EP2715725B1 (enExample)
JP (1) JP2014523003A (enExample)
KR (1) KR101970370B1 (enExample)
CN (1) CN103827966B (enExample)
GB (1) GB2493327B (enExample)
WO (1) WO2013006700A2 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012252240A (ja) * 2011-06-06 2012-12-20 Sony Corp 再生装置、信号処理装置、信号処理方法
GB2495131A (en) 2011-09-30 2013-04-03 Skype A mobile device includes a received-signal beamformer that adapts to motion of the mobile device
GB2495472B (en) 2011-09-30 2019-07-03 Skype Processing audio signals
GB2495128B (en) 2011-09-30 2018-04-04 Skype Processing signals
GB2495278A (en) 2011-09-30 2013-04-10 Skype Processing received signals from a range of receiving angles to reduce interference
GB2495129B (en) 2011-09-30 2017-07-19 Skype Processing signals
GB2495130B (en) 2011-09-30 2018-10-24 Skype Processing audio signals
GB2496660B (en) 2011-11-18 2014-06-04 Skype Processing audio signals
GB201120392D0 (en) 2011-11-25 2012-01-11 Skype Ltd Processing signals
JP6267860B2 (ja) * 2011-11-28 2018-01-24 三星電子株式会社Samsung Electronics Co.,Ltd. 音声信号送信装置、音声信号受信装置及びその方法
GB2497343B (en) 2011-12-08 2014-11-26 Skype Processing audio signals
US9881616B2 (en) * 2012-06-06 2018-01-30 Qualcomm Incorporated Method and systems having improved speech recognition
US9813262B2 (en) 2012-12-03 2017-11-07 Google Technology Holdings LLC Method and apparatus for selectively transmitting data using spatial diversity
US9979531B2 (en) 2013-01-03 2018-05-22 Google Technology Holdings LLC Method and apparatus for tuning a communication device for multi band operation
US10229697B2 (en) * 2013-03-12 2019-03-12 Google Technology Holdings LLC Apparatus and method for beamforming to obtain voice and noise signals
JP6446913B2 (ja) * 2014-08-27 2019-01-09 富士通株式会社 音声処理装置、音声処理方法及び音声処理用コンピュータプログラム
CN105763956B (zh) 2014-12-15 2018-12-14 华为终端(东莞)有限公司 视频聊天中录音的方法和终端
WO2016209295A1 (en) * 2015-06-26 2016-12-29 Harman International Industries, Incorporated Sports headphone with situational awareness
US9646628B1 (en) 2015-06-26 2017-05-09 Amazon Technologies, Inc. Noise cancellation for open microphone mode
US9407989B1 (en) 2015-06-30 2016-08-02 Arthur Woodrow Closed audio circuit
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
US20170270406A1 (en) * 2016-03-18 2017-09-21 Qualcomm Incorporated Cloud-based processing using local device provided sensor data and labels
CN106251878A (zh) * 2016-08-26 2016-12-21 彭胜 会务语音录入设备
US10127920B2 (en) 2017-01-09 2018-11-13 Google Llc Acoustic parameter adjustment
US20180218747A1 (en) * 2017-01-28 2018-08-02 Bose Corporation Audio Device Filter Modification
US10602270B1 (en) 2018-11-30 2020-03-24 Microsoft Technology Licensing, Llc Similarity measure assisted adaptation control
US10811032B2 (en) * 2018-12-19 2020-10-20 Cirrus Logic, Inc. Data aided method for robust direction of arrival (DOA) estimation in the presence of spatially-coherent noise interferers
US12461705B1 (en) 2021-12-02 2025-11-04 My Blue Skies Music Inc. Videoconferencing platform having improved audio quality

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003195882A (ja) * 2001-12-21 2003-07-09 Fujitsu Ltd 信号処理システムおよび方法
JP2008054071A (ja) * 2006-08-25 2008-03-06 Hitachi Communication Technologies Ltd 紙擦れ音除去装置
JP2010026361A (ja) * 2008-07-23 2010-02-04 Internatl Business Mach Corp <Ibm> 音声収集方法、システム及びプログラム

Family Cites Families (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313918A (en) 1964-08-04 1967-04-11 Gen Electric Safety means for oven door latching mechanism
DE2753278A1 (de) 1977-11-30 1979-05-31 Basf Ag Aralkylpiperidinone
US4849764A (en) 1987-08-04 1989-07-18 Raytheon Company Interference source noise cancelling beamformer
US5208864A (en) 1989-03-10 1993-05-04 Nippon Telegraph & Telephone Corporation Method of detecting acoustic signal
FR2682251B1 (fr) 1991-10-02 1997-04-25 Prescom Sarl Procede et systeme de prise de son, et appareil de prise et de restitution de son.
US5542101A (en) 1993-11-19 1996-07-30 At&T Corp. Method and apparatus for receiving signals in a multi-path environment
US6157403A (en) 1996-08-05 2000-12-05 Kabushiki Kaisha Toshiba Apparatus for detecting position of object capable of simultaneously detecting plural objects and detection method therefor
US6232918B1 (en) 1997-01-08 2001-05-15 Us Wireless Corporation Antenna array calibration in wireless communication systems
US6549627B1 (en) 1998-01-30 2003-04-15 Telefonaktiebolaget Lm Ericsson Generating calibration signals for an adaptive beamformer
JP4163294B2 (ja) * 1998-07-31 2008-10-08 株式会社東芝 雑音抑圧処理装置および雑音抑圧処理方法
US6049607A (en) 1998-09-18 2000-04-11 Lamar Signal Processing Interference canceling method and apparatus
DE19943872A1 (de) 1999-09-14 2001-03-15 Thomson Brandt Gmbh Vorrichtung zur Anpassung der Richtcharakteristik von Mikrofonen für die Sprachsteuerung
US6778966B2 (en) 1999-11-29 2004-08-17 Syfx Segmented mapping converter system and method
ATE370608T1 (de) 2000-05-26 2007-09-15 Koninkl Philips Electronics Nv Verfahren und gerät zur akustischen echounterdrückung mit adaptiver strahlbildung
US6885338B2 (en) 2000-12-29 2005-04-26 Lockheed Martin Corporation Adaptive digital beamformer coefficient processor for satellite signal interference reduction
WO2003010996A2 (en) 2001-07-20 2003-02-06 Koninklijke Philips Electronics N.V. Sound reinforcement system having an echo suppressor and loudspeaker beamformer
US20030059061A1 (en) 2001-09-14 2003-03-27 Sony Corporation Audio input unit, audio input method and audio input and output unit
US8098844B2 (en) 2002-02-05 2012-01-17 Mh Acoustics, Llc Dual-microphone spatial noise suppression
JP4195267B2 (ja) 2002-03-14 2008-12-10 インターナショナル・ビジネス・マシーンズ・コーポレーション 音声認識装置、その音声認識方法及びプログラム
JP4161628B2 (ja) 2002-07-19 2008-10-08 日本電気株式会社 エコー抑圧方法及び装置
US8233642B2 (en) 2003-08-27 2012-07-31 Sony Computer Entertainment Inc. Methods and apparatuses for capturing an audio signal based on a location of the signal
KR100728428B1 (ko) 2002-09-19 2007-06-13 마츠시타 덴끼 산교 가부시키가이샤 오디오 디코딩 장치 및 오디오 디코딩 방법
US6914854B1 (en) 2002-10-29 2005-07-05 The United States Of America As Represented By The Secretary Of The Army Method for detecting extended range motion and counting moving objects using an acoustics microphone array
US6990193B2 (en) 2002-11-29 2006-01-24 Mitel Knowledge Corporation Method of acoustic echo cancellation in full-duplex hands free audio conferencing with spatial directivity
CA2413217C (en) 2002-11-29 2007-01-16 Mitel Knowledge Corporation Method of acoustic echo cancellation in full-duplex hands free audio conferencing with spatial directivity
WO2004071130A1 (ja) 2003-02-07 2004-08-19 Nippon Telegraph And Telephone Corporation 収音方法及び収音装置
CN100534001C (zh) 2003-02-07 2009-08-26 日本电信电话株式会社 声音获取方法和声音获取装置
US7519186B2 (en) * 2003-04-25 2009-04-14 Microsoft Corporation Noise reduction systems and methods for voice applications
GB0321722D0 (en) 2003-09-16 2003-10-15 Mitel Networks Corp A method for optimal microphone array design under uniform acoustic coupling constraints
CN100488091C (zh) 2003-10-29 2009-05-13 中兴通讯股份有限公司 应用于cdma系统中的固定波束成形装置及其方法
US7426464B2 (en) 2004-07-15 2008-09-16 Bitwave Pte Ltd. Signal processing apparatus and method for reducing noise and interference in speech communication and speech recognition
US20060031067A1 (en) 2004-08-05 2006-02-09 Nissan Motor Co., Ltd. Sound input device
EP1633121B1 (en) 2004-09-03 2008-11-05 Harman Becker Automotive Systems GmbH Speech signal processing with combined adaptive noise reduction and adaptive echo compensation
CN101015001A (zh) 2004-09-07 2007-08-08 皇家飞利浦电子股份有限公司 提高了噪声抑制能力的电话装置
DE602004015987D1 (de) * 2004-09-23 2008-10-02 Harman Becker Automotive Sys Mehrkanalige adaptive Sprachsignalverarbeitung mit Rauschunterdrückung
JP2006109340A (ja) 2004-10-08 2006-04-20 Yamaha Corp 音響システム
US7983720B2 (en) 2004-12-22 2011-07-19 Broadcom Corporation Wireless telephone with adaptive microphone array
KR20060089804A (ko) 2005-02-04 2006-08-09 삼성전자주식회사 다중입출력 시스템을 위한 전송방법
JP4805591B2 (ja) 2005-03-17 2011-11-02 富士通株式会社 電波到来方向の追尾方法及び電波到来方向追尾装置
DE602005008914D1 (de) 2005-05-09 2008-09-25 Mitel Networks Corp Verfahren und System zum Reduzieren der Trainingszeit eines akustischen Echokompensators in einem Vollduplexaudiokonferenzsystem durch akustische Strahlbildung
JP2006319448A (ja) 2005-05-10 2006-11-24 Yamaha Corp 拡声システム
US8116485B2 (en) 2005-05-16 2012-02-14 Qnx Software Systems Co Adaptive gain control system
JP2006333069A (ja) 2005-05-26 2006-12-07 Hitachi Ltd 移動体用アンテナ制御装置およびアンテナ制御方法
JP2007006264A (ja) 2005-06-24 2007-01-11 Toshiba Corp ダイバーシチ受信機
WO2007029536A1 (ja) 2005-09-02 2007-03-15 Nec Corporation 雑音抑圧の方法及び装置並びにコンピュータプログラム
NO323434B1 (no) 2005-09-30 2007-04-30 Squarehead System As System og metode for a produsere et selektivt lydutgangssignal
KR100749451B1 (ko) 2005-12-02 2007-08-14 한국전자통신연구원 Ofdm 기지국 시스템에서의 스마트 안테나 빔 형성 방법및 장치
CN1809105B (zh) 2006-01-13 2010-05-12 北京中星微电子有限公司 适用于小型移动通信设备的双麦克语音增强方法及系统
JP4771311B2 (ja) 2006-02-09 2011-09-14 オンセミコンダクター・トレーディング・リミテッド フィルタ係数設定装置、フィルタ係数設定方法、及びプログラム
WO2007127182A2 (en) * 2006-04-25 2007-11-08 Incel Vision Inc. Noise reduction system and method
JP2007318438A (ja) 2006-05-25 2007-12-06 Yamaha Corp 音声状況データ生成装置、音声状況可視化装置、音声状況データ編集装置、音声データ再生装置、および音声通信システム
JP4747949B2 (ja) 2006-05-25 2011-08-17 ヤマハ株式会社 音声会議装置
US8000418B2 (en) 2006-08-10 2011-08-16 Cisco Technology, Inc. Method and system for improving robustness of interference nulling for antenna arrays
RS49875B (sr) 2006-10-04 2008-08-07 Micronasnit, Sistem i postupak za slobodnu govornu komunikaciju pomoću mikrofonskog niza
DE602006016617D1 (de) 2006-10-30 2010-10-14 Mitel Networks Corp Anpassung der Gewichtsfaktoren für Strahlformung zur effizienten Implementierung von Breitband-Strahlformern
CN101193460B (zh) 2006-11-20 2011-09-28 松下电器产业株式会社 检测声音的装置及方法
CN100524465C (zh) * 2006-11-24 2009-08-05 北京中星微电子有限公司 一种噪声消除装置和方法
US7945442B2 (en) 2006-12-15 2011-05-17 Fortemedia, Inc. Internet communication device and method for controlling noise thereof
KR101365988B1 (ko) 2007-01-05 2014-02-21 삼성전자주식회사 지향성 스피커 시스템의 자동 셋-업 방법 및 장치
JP4799443B2 (ja) 2007-02-21 2011-10-26 株式会社東芝 受音装置及びその方法
US8005238B2 (en) * 2007-03-22 2011-08-23 Microsoft Corporation Robust adaptive beamforming with enhanced noise suppression
US20090010453A1 (en) 2007-07-02 2009-01-08 Motorola, Inc. Intelligent gradient noise reduction system
JP4854630B2 (ja) 2007-09-13 2012-01-18 富士通株式会社 音処理装置、利得制御装置、利得制御方法及びコンピュータプログラム
US8391522B2 (en) 2007-10-16 2013-03-05 Phonak Ag Method and system for wireless hearing assistance
KR101437830B1 (ko) * 2007-11-13 2014-11-03 삼성전자주식회사 음성 구간 검출 방법 및 장치
US8379891B2 (en) 2008-06-04 2013-02-19 Microsoft Corporation Loudspeaker array design
NO328622B1 (no) 2008-06-30 2010-04-06 Tandberg Telecom As Anordning og fremgangsmate for reduksjon av tastaturstoy i konferanseutstyr
JP5555987B2 (ja) 2008-07-11 2014-07-23 富士通株式会社 雑音抑圧装置、携帯電話機、雑音抑圧方法及びコンピュータプログラム
EP2146519B1 (en) 2008-07-16 2012-06-06 Nuance Communications, Inc. Beamforming pre-processing for speaker localization
JP5206234B2 (ja) 2008-08-27 2013-06-12 富士通株式会社 雑音抑圧装置、携帯電話機、雑音抑圧方法及びコンピュータプログラム
KR101178801B1 (ko) * 2008-12-09 2012-08-31 한국전자통신연구원 음원분리 및 음원식별을 이용한 음성인식 장치 및 방법
CN101685638B (zh) 2008-09-25 2011-12-21 华为技术有限公司 一种语音信号增强方法及装置
US8401178B2 (en) 2008-09-30 2013-03-19 Apple Inc. Multiple microphone switching and configuration
US9159335B2 (en) * 2008-10-10 2015-10-13 Samsung Electronics Co., Ltd. Apparatus and method for noise estimation, and noise reduction apparatus employing the same
US8218397B2 (en) * 2008-10-24 2012-07-10 Qualcomm Incorporated Audio source proximity estimation using sensor array for noise reduction
US8724829B2 (en) 2008-10-24 2014-05-13 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coherence detection
US8150063B2 (en) 2008-11-25 2012-04-03 Apple Inc. Stabilizing directional audio input from a moving microphone array
EP2197219B1 (en) 2008-12-12 2012-10-24 Nuance Communications, Inc. Method for determining a time delay for time delay compensation
US8401206B2 (en) 2009-01-15 2013-03-19 Microsoft Corporation Adaptive beamformer using a log domain optimization criterion
EP2222091B1 (en) 2009-02-23 2013-04-24 Nuance Communications, Inc. Method for determining a set of filter coefficients for an acoustic echo compensation means
US20100217590A1 (en) 2009-02-24 2010-08-26 Broadcom Corporation Speaker localization system and method
KR101041039B1 (ko) 2009-02-27 2011-06-14 고려대학교 산학협력단 오디오 및 비디오 정보를 이용한 시공간 음성 구간 검출 방법 및 장치
JP5197458B2 (ja) 2009-03-25 2013-05-15 株式会社東芝 受音信号処理装置、方法およびプログラム
EP2237271B1 (en) 2009-03-31 2021-01-20 Cerence Operating Company Method for determining a signal component for reducing noise in an input signal
US8249862B1 (en) 2009-04-15 2012-08-21 Mediatek Inc. Audio processing apparatuses
JP5207479B2 (ja) * 2009-05-19 2013-06-12 国立大学法人 奈良先端科学技術大学院大学 雑音抑圧装置およびプログラム
US8620672B2 (en) 2009-06-09 2013-12-31 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for phase-based processing of multichannel signal
US8174932B2 (en) 2009-06-11 2012-05-08 Hewlett-Packard Development Company, L.P. Multimodal object localization
FR2948484B1 (fr) 2009-07-23 2011-07-29 Parrot Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile
US8644517B2 (en) 2009-08-17 2014-02-04 Broadcom Corporation System and method for automatic disabling and enabling of an acoustic beamformer
FR2950461B1 (fr) * 2009-09-22 2011-10-21 Parrot Procede de filtrage optimise des bruits non stationnaires captes par un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile
CN101667426A (zh) 2009-09-23 2010-03-10 中兴通讯股份有限公司 一种消除环境噪声的装置及方法
EP2339574B1 (en) 2009-11-20 2013-03-13 Nxp B.V. Speech detector
TWI415117B (zh) 2009-12-25 2013-11-11 Univ Nat Chiao Tung 使用在麥克風陣列之消除殘響與減低噪音方法及其裝置
CN102111697B (zh) 2009-12-28 2015-03-25 歌尔声学股份有限公司 一种麦克风阵列降噪控制方法及装置
US8219394B2 (en) 2010-01-20 2012-07-10 Microsoft Corporation Adaptive ambient sound suppression and speech tracking
US8525868B2 (en) * 2011-01-13 2013-09-03 Qualcomm Incorporated Variable beamforming with a mobile platform
GB2491173A (en) 2011-05-26 2012-11-28 Skype Setting gain applied to an audio signal based on direction of arrival (DOA) information
US9226088B2 (en) 2011-06-11 2015-12-29 Clearone Communications, Inc. Methods and apparatuses for multiple configurations of beamforming microphone arrays
GB2495128B (en) 2011-09-30 2018-04-04 Skype Processing signals
GB2495129B (en) 2011-09-30 2017-07-19 Skype Processing signals
GB2495131A (en) 2011-09-30 2013-04-03 Skype A mobile device includes a received-signal beamformer that adapts to motion of the mobile device
GB2495278A (en) 2011-09-30 2013-04-10 Skype Processing received signals from a range of receiving angles to reduce interference
GB2495472B (en) 2011-09-30 2019-07-03 Skype Processing audio signals
GB2495130B (en) 2011-09-30 2018-10-24 Skype Processing audio signals
GB2496660B (en) 2011-11-18 2014-06-04 Skype Processing audio signals
GB201120392D0 (en) 2011-11-25 2012-01-11 Skype Ltd Processing signals
GB2497343B (en) 2011-12-08 2014-11-26 Skype Processing audio signals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003195882A (ja) * 2001-12-21 2003-07-09 Fujitsu Ltd 信号処理システムおよび方法
JP2008054071A (ja) * 2006-08-25 2008-03-06 Hitachi Communication Technologies Ltd 紙擦れ音除去装置
JP2010026361A (ja) * 2008-07-23 2010-02-04 Internatl Business Mach Corp <Ibm> 音声収集方法、システム及びプログラム

Also Published As

Publication number Publication date
CN103827966A (zh) 2014-05-28
GB2493327B (en) 2018-06-06
EP2715725B1 (en) 2019-04-24
KR20140033488A (ko) 2014-03-18
EP2715725A2 (en) 2014-04-09
WO2013006700A2 (en) 2013-01-10
US20130013303A1 (en) 2013-01-10
WO2013006700A3 (en) 2013-06-06
CN103827966B (zh) 2018-05-08
GB201111474D0 (en) 2011-08-17
GB2493327A (en) 2013-02-06
KR101970370B1 (ko) 2019-04-18
US9269367B2 (en) 2016-02-23

Similar Documents

Publication Publication Date Title
CN103827966B (zh) 处理音频信号
US10546593B2 (en) Deep learning driven multi-channel filtering for speech enhancement
US10149049B2 (en) Processing speech from distributed microphones
US20120303363A1 (en) Processing Audio Signals
US9591123B2 (en) Echo cancellation
JP5085556B2 (ja) エコー除去の構成
JP2014523003A5 (enExample)
JP2020115206A (ja) システム及び方法
CN108922553B (zh) 用于音箱设备的波达方向估计方法及系统
CN103534942B (zh) 处理音频信号
CN117079661A (zh) 一种声源处理方法及相关装置
EP3259906B1 (en) Handling nuisance in teleconference system
JP2019537071A (ja) 分散したマイクロホンからの音声の処理
CN102970638A (zh) 处理信号
JP6361360B2 (ja) 残響判定装置及びプログラム
CN114550748A (zh) 音频信号混合处理方法、装置、设备和存储介质
JP2016029428A (ja) 音声収音システム、ホスト装置及びプログラム
Alisher et al. Control Approaches for Audio Signal Quality Improvement in the Developed Conference System Based on the Personal User Devices
TW202019194A (zh) 減少干擾音影響之方法及聲音播放裝置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150701

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20150701

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20160826

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20160906

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20161130

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20170214