CN104969537B - 用于回声抑制的方法和装置 - Google Patents

用于回声抑制的方法和装置 Download PDF

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Publication number
CN104969537B
CN104969537B CN201380067516.1A CN201380067516A CN104969537B CN 104969537 B CN104969537 B CN 104969537B CN 201380067516 A CN201380067516 A CN 201380067516A CN 104969537 B CN104969537 B CN 104969537B
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China
Prior art keywords
echo
model
audio signal
power
estimated
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CN201380067516.1A
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English (en)
Chinese (zh)
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CN104969537A (zh
Inventor
P.阿格伦
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Microsoft Technology Licensing LLC
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Microsoft Technology Licensing LLC
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    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
CN201380067516.1A 2012-12-21 2013-12-21 用于回声抑制的方法和装置 Active CN104969537B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB1223238.5A GB2510331A (en) 2012-12-21 2012-12-21 Echo suppression in an audio signal
GB1223238.5 2012-12-21
US13/789,532 US9154873B2 (en) 2012-12-21 2013-03-07 Echo suppression
US13/789532 2013-03-07
PCT/US2013/077355 WO2014100794A1 (en) 2012-12-21 2013-12-21 Echo suppression

Publications (2)

Publication Number Publication Date
CN104969537A CN104969537A (zh) 2015-10-07
CN104969537B true CN104969537B (zh) 2017-01-18

Family

ID=47682458

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380067516.1A Active CN104969537B (zh) 2012-12-21 2013-12-21 用于回声抑制的方法和装置

Country Status (7)

Country Link
US (1) US9154873B2 (https=)
EP (1) EP2920950B1 (https=)
JP (1) JP6422886B2 (https=)
KR (1) KR102170172B1 (https=)
CN (1) CN104969537B (https=)
GB (1) GB2510331A (https=)
WO (1) WO2014100794A1 (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2512022A (en) 2012-12-21 2014-09-24 Microsoft Corp Echo suppression
GB2509493A (en) 2012-12-21 2014-07-09 Microsoft Corp Suppressing Echo in a received audio signal by estimating the echo power in the received audio signal based on an FIR filter estimate
US10056092B2 (en) * 2014-09-12 2018-08-21 Nuance Communications, Inc. Residual interference suppression
WO2017053490A1 (en) * 2015-09-25 2017-03-30 Microsemi Semiconductor (U.S.) Inc. Acoustic echo path change detection apparatus and method
DE102015222105A1 (de) * 2015-11-10 2017-05-11 Volkswagen Aktiengesellschaft Audiosignalverarbeitung in einem Fahrzeug
CN108702424B (zh) * 2016-06-30 2021-04-20 谷歌有限责任公司 用于声学回声消除的方法、存储介质及电子设备
WO2018102976A1 (en) 2016-12-06 2018-06-14 Harman International Industries, Incorporated Method and device for equalizing audio signals
CN106849976A (zh) * 2016-12-28 2017-06-13 深圳天珑无线科技有限公司 一种免提通话时回声消除方法及通信终端
US10481831B2 (en) * 2017-10-02 2019-11-19 Nuance Communications, Inc. System and method for combined non-linear and late echo suppression
CN109003620A (zh) * 2018-05-24 2018-12-14 北京潘达互娱科技有限公司 一种回音消除方法、装置、电子设备及存储介质
CN109587362B (zh) * 2018-12-24 2020-06-26 龙马智芯（珠海横琴）科技有限公司 回声抑制的处理方法和装置
CN111835383B (zh) * 2019-04-17 2022-04-01 达发科技(苏州)有限公司 回音与近端串扰消除系统
US10650839B2 (en) * 2019-06-20 2020-05-12 Intel Corporation Infinite impulse response acoustic echo cancellation in the frequency domain
JP7696676B2 (ja) * 2021-03-26 2025-06-23 株式会社トランストロン エコー抑圧装置、エコー抑圧方法及びエコー抑圧プログラム
CN113178203B (zh) * 2021-04-23 2022-11-04 歌尔股份有限公司 一种回声消除方法、系统、音频设备及可读存储介质
CN113763978B (zh) * 2021-04-25 2024-05-03 腾讯科技（深圳）有限公司 语音信号处理方法、装置、电子设备以及存储介质
CN121262504B (zh) * 2025-12-02 2026-02-10 深圳市乔安科技有限公司 一种应用于监控摄像头的低成本音频回采方法及系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006040734A1 (en) * 2004-10-13 2006-04-20 Koninklijke Philips Electronics N.V. Echo cancellation
CN101262530A (zh) * 2008-04-29 2008-09-10 中兴通讯股份有限公司 一种消除移动终端回音的装置

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473686A (en) 1994-02-01 1995-12-05 Tandy Corporation Echo cancellation apparatus
SE511073C2 (sv) 1997-09-10 1999-08-02 Ericsson Telefon Ab L M Sätt och anordning för ekoestimering och undertryckning i telefonsystem
US6256383B1 (en) * 1997-11-07 2001-07-03 Legerity, Inc. IIR filter of adaptive balance circuit for long tail echo cancellation
US6570985B1 (en) 1998-01-09 2003-05-27 Ericsson Inc. Echo canceler adaptive filter optimization
US7423983B1 (en) 1999-09-20 2008-09-09 Broadcom Corporation Voice and data exchange over a packet based network
US6549587B1 (en) 1999-09-20 2003-04-15 Broadcom Corporation Voice and data exchange over a packet based network with timing recovery
JP3566158B2 (ja) * 1999-12-07 2004-09-15 三菱電機株式会社 エコーキャンセラ装置
US7672447B1 (en) 2000-06-01 2010-03-02 Telefonaktiebolaget Lm Ericsson (Publ) Frequency domain echo canceller
US7046658B1 (en) 2000-06-23 2006-05-16 At & T Corp. Method and system for customer selected direct dialed voice-over-internet protocol (VOIP)
US7068780B1 (en) * 2000-08-30 2006-06-27 Conexant, Inc. Hybrid echo canceller
JP4568439B2 (ja) 2001-01-22 2010-10-27 パナソニック株式会社 エコー抑圧装置
US6785382B2 (en) 2001-02-12 2004-08-31 Signalworks, Inc. System and method for controlling a filter to enhance speakerphone performance
WO2002093774A1 (en) 2001-05-17 2002-11-21 Stmicroelectronics Asia Pacific Pte Ltd Echo canceller and a method of cancelling echo
US6950842B2 (en) 2002-01-23 2005-09-27 Analog Devices, Inc. Echo canceller having an adaptive filter with a dynamically adjustable step size
US6914978B2 (en) 2002-08-16 2005-07-05 Ambit Microsystems Corp. Pulse dialing system for VoIP modem
US7082123B2 (en) 2002-08-21 2006-07-25 Ambit Microsystems Corp. Silent redial system for VoIP modem
US7062040B2 (en) 2002-09-20 2006-06-13 Agere Systems Inc. Suppression of echo signals and the like
US7027591B2 (en) 2002-10-16 2006-04-11 Ericsson Inc. Integrated noise cancellation and residual echo suppression
US7162420B2 (en) 2002-12-10 2007-01-09 Liberato Technologies, Llc System and method for noise reduction having first and second adaptive filters
US7319748B2 (en) * 2003-01-08 2008-01-15 Nxp B.V. Device and method for suppressing echo in telephones
US6947549B2 (en) * 2003-02-19 2005-09-20 The Hong Kong Polytechnic University Echo canceller
US7099458B2 (en) 2003-12-12 2006-08-29 Motorola, Inc. Downlink activity and double talk probability detector and method for an echo canceler circuit
US7894598B2 (en) 2004-12-14 2011-02-22 Nuance Communications, Inc. System for limiting receive audio
DE602006009770D1 (de) 2006-05-08 2009-11-26 Harman Becker Automotive Sys Echoverringerung für zeitvariante Systeme
EP1879293B1 (en) 2006-07-10 2019-02-20 Harman Becker Automotive Systems GmbH Partitioned fast convolution in the time and frequency domain
US7983373B2 (en) 2007-02-07 2011-07-19 Vintomie Networks B.V., Llc Clock distribution for 10GBase-T analog front end
JP4978352B2 (ja) 2007-07-11 2012-07-18 ヤマハ株式会社 エコーキャンセラ
US8374851B2 (en) 2007-07-30 2013-02-12 Texas Instruments Incorporated Voice activity detector and method
ATE521064T1 (de) * 2007-10-08 2011-09-15 Harman Becker Automotive Sys Verstärkung und spektralformenanpassung bei der verarbeitung von audiosignalen
US8275139B2 (en) 2008-03-26 2012-09-25 Ittiam Systems (P) Ltd. Linear full duplex system and method for acoustic echo cancellation
JP5125690B2 (ja) 2008-03-31 2013-01-23 ヤマハ株式会社 音響エコー除去装置
US8634569B2 (en) 2010-01-08 2014-01-21 Conexant Systems, Inc. Systems and methods for echo cancellation and echo suppression
NO332437B1 (no) * 2010-01-18 2012-09-17 Cisco Systems Int Sarl Apparat og fremgangsmate for a supprimere et akustisk ekko
US9185233B2 (en) * 2010-05-25 2015-11-10 Intel Deutschland Gmbh Audio communication device and method using fixed echo cancellation filter coefficients
EP2444967A1 (en) * 2010-10-25 2012-04-25 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Echo suppression comprising modeling of late reverberation components
BR112013016222B1 (pt) 2011-02-03 2020-12-15 Telefonaktiebolaget L M Ericsson (Publ) Método de estimar a potência de eco, método de supressão de eco, estimador de potência de eco harmônico, cancelador de eco, e, equipamento de usuário
US8804977B2 (en) 2011-03-18 2014-08-12 Dolby Laboratories Licensing Corporation Nonlinear reference signal processing for echo suppression
US9065895B2 (en) * 2012-02-22 2015-06-23 Broadcom Corporation Non-linear echo cancellation
GB2509493A (en) 2012-12-21 2014-07-09 Microsoft Corp Suppressing Echo in a received audio signal by estimating the echo power in the received audio signal based on an FIR filter estimate
GB2512022A (en) 2012-12-21 2014-09-24 Microsoft Corp Echo suppression

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006040734A1 (en) * 2004-10-13 2006-04-20 Koninklijke Philips Electronics N.V. Echo cancellation
CN101262530A (zh) * 2008-04-29 2008-09-10 中兴通讯股份有限公司 一种消除移动终端回音的装置

Also Published As

Publication number Publication date
EP2920950B1 (en) 2016-09-21
JP2016503263A (ja) 2016-02-01
WO2014100794A1 (en) 2014-06-26
US20140177859A1 (en) 2014-06-26
EP2920950A1 (en) 2015-09-23
KR20150097686A (ko) 2015-08-26
KR102170172B1 (ko) 2020-10-26
JP6422886B2 (ja) 2018-11-14
GB2510331A (en) 2014-08-06
CN104969537A (zh) 2015-10-07
US9154873B2 (en) 2015-10-06
GB201223238D0 (en) 2013-02-06

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