DE602004024633D1 - Verfahren und Vorrichtung zur akustischen Echokompensation mit beliebiegen Abtastraten der Wiedergabe - Google Patents

Verfahren und Vorrichtung zur akustischen Echokompensation mit beliebiegen Abtastraten der Wiedergabe

Info

Publication number
DE602004024633D1
DE602004024633D1 DE602004024633T DE602004024633T DE602004024633D1 DE 602004024633 D1 DE602004024633 D1 DE 602004024633D1 DE 602004024633 T DE602004024633 T DE 602004024633T DE 602004024633 T DE602004024633 T DE 602004024633T DE 602004024633 D1 DE602004024633 D1 DE 602004024633D1
Authority
DE
Germany
Prior art keywords
echo cancellation
signal
playback
reproduction
acoustic echo
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.)
Expired - Lifetime
Application number
DE602004024633T
Other languages
English (en)
Inventor
Henrique S Malvar
Jack W Stokes
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 DE602004024633D1 publication Critical patent/DE602004024633D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
    • 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
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE602004024633T 2003-10-24 2004-09-06 Verfahren und Vorrichtung zur akustischen Echokompensation mit beliebiegen Abtastraten der Wiedergabe Expired - Lifetime DE602004024633D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51444203P 2003-10-24 2003-10-24
US10/785,690 US7251322B2 (en) 2003-10-24 2004-02-24 Systems and methods for echo cancellation with arbitrary playback sampling rates

Publications (1)

Publication Number Publication Date
DE602004024633D1 true DE602004024633D1 (de) 2010-01-28

Family

ID=34396621

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004024633T Expired - Lifetime DE602004024633D1 (de) 2003-10-24 2004-09-06 Verfahren und Vorrichtung zur akustischen Echokompensation mit beliebiegen Abtastraten der Wiedergabe

Country Status (7)

Country Link
US (1) US7251322B2 (de)
EP (1) EP1526510B1 (de)
JP (1) JP4514125B2 (de)
KR (1) KR101099340B1 (de)
CN (1) CN1649374B (de)
AT (1) ATE452403T1 (de)
DE (1) DE602004024633D1 (de)

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* Cited by examiner, † Cited by third party
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US7650285B2 (en) * 2004-06-25 2010-01-19 Numerex Corporation Method and system for adjusting digital audio playback sampling rate
JP4519658B2 (ja) * 2005-01-04 2010-08-04 株式会社東芝 再生装置
US7647077B2 (en) * 2005-05-31 2010-01-12 Bitwave Pte Ltd Method for echo control of a wireless headset
JP4613705B2 (ja) * 2005-06-15 2011-01-19 沖電気工業株式会社 エコーキャンセラ
JP4625781B2 (ja) * 2006-03-22 2011-02-02 株式会社東芝 再生装置
JP4916394B2 (ja) * 2007-07-03 2012-04-11 富士通株式会社 エコー抑圧装置、エコー抑圧方法及びコンピュータプログラム
CN101217039B (zh) * 2008-01-08 2011-11-23 北京中星微电子有限公司 一种实现回声消除的方法、系统及装置
US9008302B2 (en) * 2010-10-08 2015-04-14 Optical Fusion, Inc. Audio acoustic echo cancellation for video conferencing
EP2619758B1 (de) * 2010-10-15 2015-08-19 Huawei Technologies Co., Ltd. Vorrichtungen für die Transformation und umgekehrte Transformation von Audiosignalen, Verfahren für die Analyse und die Synthese von Audiosignalen
US10083699B2 (en) * 2012-07-24 2018-09-25 Samsung Electronics Co., Ltd. Method and apparatus for processing audio data
JP6136218B2 (ja) * 2012-12-03 2017-05-31 富士通株式会社 音響処理装置、方法、及びプログラム
EP2980801A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Schätzung des Rauschens in einem Audiosignal, Rauschschätzer, Audiocodierer, Audiodecodierer und System zur Übertragung von Audiosignalen
US9953646B2 (en) 2014-09-02 2018-04-24 Belleau Technologies Method and system for dynamic speech recognition and tracking of prewritten script
US9472203B1 (en) * 2015-06-29 2016-10-18 Amazon Technologies, Inc. Clock synchronization for multichannel system
US10074380B2 (en) * 2016-08-03 2018-09-11 Apple Inc. System and method for performing speech enhancement using a deep neural network-based signal
US10546581B1 (en) * 2017-09-08 2020-01-28 Amazon Technologies, Inc. Synchronization of inbound and outbound audio in a heterogeneous echo cancellation system
CN108335701B (zh) * 2018-01-24 2021-04-13 青岛海信移动通信技术股份有限公司 一种进行声音降噪的方法及设备
TWI665661B (zh) * 2018-02-14 2019-07-11 美律實業股份有限公司 音頻處理裝置及音頻處理方法
US10692515B2 (en) * 2018-04-17 2020-06-23 Fortemedia, Inc. Devices for acoustic echo cancellation and methods thereof
CN111698022B (zh) * 2019-01-03 2022-02-08 长沙天仪空间科技研究院有限公司 一种基于抑制窄带多通道通信干扰的卫星通信系统
CN113870881B (zh) * 2021-09-26 2024-04-26 西南石油大学 一种鲁棒哈默斯坦子带样条自适应回声消除方法

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JPS62154825A (ja) * 1985-12-26 1987-07-09 Fujitsu Ltd 周波数圧伸方式
US5566167A (en) * 1995-01-04 1996-10-15 Lucent Technologies Inc. Subband echo canceler
US5937060A (en) * 1996-02-09 1999-08-10 Texas Instruments Incorporated Residual echo suppression
US5917809A (en) * 1997-01-08 1999-06-29 Analog Devices, Inc. Asymmetric digital subscriber loop modem and method
US6185299B1 (en) * 1997-10-31 2001-02-06 International Business Machines Corporation Adaptive echo cancellation device in a voice communication system
US6532289B1 (en) * 1997-11-28 2003-03-11 International Business Machines Corporation Method and device for echo suppression
FR2782180B1 (fr) * 1998-08-06 2001-09-07 France Telecom Dispositif de traitement numerique a filtrage frequentiel et a complexite de calcul reduite
JP4296622B2 (ja) * 1998-10-26 2009-07-15 ソニー株式会社 エコー消去装置及び方法、並びに音声再生装置
US6496795B1 (en) * 1999-05-05 2002-12-17 Microsoft Corporation Modulated complex lapped transform for integrated signal enhancement and coding
US6487574B1 (en) * 1999-02-26 2002-11-26 Microsoft Corp. System and method for producing modulated complex lapped transforms
US6473409B1 (en) * 1999-02-26 2002-10-29 Microsoft Corp. Adaptive filtering system and method for adaptively canceling echoes and reducing noise in digital signals
US6757385B1 (en) * 1999-06-04 2004-06-29 Telefonaktiebolaget Lm Ericsson (Publ) Symmetry based subband acoustic echo cancellation
US20030101206A1 (en) * 2001-07-31 2003-05-29 Graziano Michael J. Method and system for estimating a base-2 logarithm of a number
US7113491B2 (en) * 2001-07-31 2006-09-26 Conexant, Inc. Method and system for varying an echo canceller filter length based on data rate
US20030118177A1 (en) * 2001-12-18 2003-06-26 Ahmet Karakas Method and system for implementing a reduced complexity dual rate echo canceller
JP3787088B2 (ja) 2001-12-21 2006-06-21 日本電信電話株式会社 音響エコー消去方法、装置及び音響エコー消去プログラム
JP2003249996A (ja) 2002-02-25 2003-09-05 Kobe Steel Ltd 音声信号入出力装置

Also Published As

Publication number Publication date
KR101099340B1 (ko) 2011-12-26
EP1526510B1 (de) 2009-12-16
KR20050039535A (ko) 2005-04-29
JP4514125B2 (ja) 2010-07-28
US20050089148A1 (en) 2005-04-28
ATE452403T1 (de) 2010-01-15
CN1649374A (zh) 2005-08-03
JP2005130475A (ja) 2005-05-19
CN1649374B (zh) 2011-02-23
US7251322B2 (en) 2007-07-31
EP1526510A1 (de) 2005-04-27

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