JP6422886B2 - エコー抑圧 - Google Patents

エコー抑圧 Download PDF

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Publication number
JP6422886B2
JP6422886B2 JP2015549852A JP2015549852A JP6422886B2 JP 6422886 B2 JP6422886 B2 JP 6422886B2 JP 2015549852 A JP2015549852 A JP 2015549852A JP 2015549852 A JP2015549852 A JP 2015549852A JP 6422886 B2 JP6422886 B2 JP 6422886B2
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JP
Japan
Prior art keywords
echo
model
audio signal
estimate
received audio
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JP2015549852A
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English (en)
Japanese (ja)
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JP2016503263A (ja
JP2016503263A5 (OSRAM
Inventor
アーグレン，パー
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
Microsoft Technology Licensing LLC
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Microsoft Corp
Microsoft Technology Licensing LLC
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Publication of JP2016503263A publication Critical patent/JP2016503263A/ja
Publication of JP2016503263A5 publication Critical patent/JP2016503263A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • 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
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
JP2015549852A 2012-12-21 2013-12-21 エコー抑圧 Active JP6422886B2 (ja)

Applications Claiming Priority (5)

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

Publications (3)

Publication Number Publication Date
JP2016503263A JP2016503263A (ja) 2016-02-01
JP2016503263A5 JP2016503263A5 (OSRAM) 2017-01-12
JP6422886B2 true JP6422886B2 (ja) 2018-11-14

Family

ID=47682458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015549852A Active JP6422886B2 (ja) 2012-12-21 2013-12-21 エコー抑圧

Country Status (7)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
WO2018005979A1 (en) * 2016-06-30 2018-01-04 Google Llc Bi-magnitude processing framework for nonlinear echo cancellation in mobile devices
EP3549259B1 (en) * 2016-12-06 2023-10-25 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

Family Cites Families (42)

* 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
DE60121632D1 (de) 2001-05-17 2006-08-31 St Microelectronics Asia Verfahren und vorrichtung für echounterdrüchung
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
KR101185820B1 (ko) * 2004-10-13 2012-10-02 코닌클리케 필립스 일렉트로닉스 엔.브이. 에코 소거
US7894598B2 (en) 2004-12-14 2011-02-22 Nuance Communications, Inc. System for limiting receive audio
ATE445966T1 (de) 2006-05-08 2009-10-15 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
CN101262530B (zh) * 2008-04-29 2011-12-07 中兴通讯股份有限公司 一种消除移动终端回音的装置
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
EP2671223B1 (en) 2011-02-03 2015-10-21 Telefonaktiebolaget L M Ericsson (PUBL) Estimation and suppression of harmonic loudspeaker nonlinearities
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
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

Also Published As

Publication number Publication date
CN104969537B (zh) 2017-01-18
KR102170172B1 (ko) 2020-10-26
JP2016503263A (ja) 2016-02-01
CN104969537A (zh) 2015-10-07
WO2014100794A1 (en) 2014-06-26
GB201223238D0 (en) 2013-02-06
EP2920950A1 (en) 2015-09-23
EP2920950B1 (en) 2016-09-21
KR20150097686A (ko) 2015-08-26
GB2510331A (en) 2014-08-06
US20140177859A1 (en) 2014-06-26
US9154873B2 (en) 2015-10-06

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