CN101964670B - 回声抑制方法及回声抑制设备 - Google Patents

回声抑制方法及回声抑制设备 Download PDF

Info

Publication number
CN101964670B
CN101964670B CN201010235614XA CN201010235614A CN101964670B CN 101964670 B CN101964670 B CN 101964670B CN 201010235614X A CN201010235614X A CN 201010235614XA CN 201010235614 A CN201010235614 A CN 201010235614A CN 101964670 B CN101964670 B CN 101964670B
Authority
CN
China
Prior art keywords
signal
spectrum
echo
background noise
gain
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 - Fee Related
Application number
CN201010235614XA
Other languages
English (en)
Chinese (zh)
Other versions
CN101964670A (zh
Inventor
刘恩彩
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.)
Yamaha Corp
Original Assignee
Yamaha 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 Yamaha Corp filed Critical Yamaha Corp
Publication of CN101964670A publication Critical patent/CN101964670A/zh
Application granted granted Critical
Publication of CN101964670B publication Critical patent/CN101964670B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
CN201010235614XA 2009-07-21 2010-07-21 回声抑制方法及回声抑制设备 Expired - Fee Related CN101964670B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-169865 2009-07-21
JP2009169865A JP5347794B2 (ja) 2009-07-21 2009-07-21 エコー抑圧方法およびその装置

Publications (2)

Publication Number Publication Date
CN101964670A CN101964670A (zh) 2011-02-02
CN101964670B true CN101964670B (zh) 2013-10-23

Family

ID=43497345

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010235614XA Expired - Fee Related CN101964670B (zh) 2009-07-21 2010-07-21 回声抑制方法及回声抑制设备

Country Status (3)

Country Link
US (1) US8315380B2 (enExample)
JP (1) JP5347794B2 (enExample)
CN (1) CN101964670B (enExample)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012134923A (ja) * 2010-12-24 2012-07-12 Sony Corp 音声処理装置および方法、並びにプログラム
US20120195423A1 (en) * 2011-01-31 2012-08-02 Empire Technology Development Llc Speech quality enhancement in telecommunication system
EP2710787A1 (en) * 2011-05-17 2014-03-26 Google, Inc. Non-linear post-processing for acoustic echo cancellation
CN102387273B (zh) * 2011-07-08 2013-08-28 歌尔声学股份有限公司 一种抑制残留回声的方法和装置
CN102387272B (zh) * 2011-09-09 2013-10-30 南京大学 一种回声抵消系统中残留回声的抑制方法
CN102413384A (zh) * 2011-11-16 2012-04-11 杭州艾力特音频技术有限公司 一种回声消除双向语音对讲设备
US9343078B2 (en) * 2012-01-09 2016-05-17 Intel Corporation Pre-process (amplitude distortion) and post-process (phase synchronization) for linear AEC system
CN103391381B (zh) 2012-05-10 2015-05-20 中兴通讯股份有限公司 回声消除方法及装置
US9280984B2 (en) * 2012-05-14 2016-03-08 Htc Corporation Noise cancellation method
WO2014088659A1 (en) * 2012-12-06 2014-06-12 Intel Corporation New carrier type (nct) information embedded in synchronization signal
US10044527B2 (en) * 2014-02-25 2018-08-07 Intel Corporation Apparatus, system and method of simultaneous transmit and receive (STR) wireless communication
JP6295722B2 (ja) * 2014-02-28 2018-03-20 沖電気工業株式会社 エコー抑圧装置、プログラム及び方法
GB2521881B (en) * 2014-04-02 2016-02-10 Imagination Tech Ltd Auto-tuning of non-linear processor threshold
CN104167212A (zh) * 2014-08-13 2014-11-26 深圳市泛海三江科技发展有限公司 一种智能楼宇系统的音频处理方法及装置
GB201501791D0 (en) 2015-02-03 2015-03-18 Microsoft Technology Licensing Llc Non-linear echo path detection
US9607627B2 (en) * 2015-02-05 2017-03-28 Adobe Systems Incorporated Sound enhancement through deverberation
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
CN104954595B (zh) * 2015-05-15 2017-07-25 百度在线网络技术（北京）有限公司 残留回声消除方法和装置
WO2017085761A1 (ja) * 2015-11-16 2017-05-26 三菱電機株式会社 エコーキャンセラ装置及び通話装置
US9923592B2 (en) 2015-12-26 2018-03-20 Intel Corporation Echo cancellation using minimal complexity in a device
US10129408B1 (en) * 2016-10-11 2018-11-13 Google Llc Residual echo detection based on non-causality
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
CN106878575B (zh) * 2017-02-24 2019-11-05 成都喜元网络科技有限公司 残留回声的估计方法及装置
CN107360530B (zh) * 2017-07-03 2020-12-01 苏州科达科技股份有限公司 一种回声消除的测试方法和装置
US10542153B2 (en) 2017-08-03 2020-01-21 Bose Corporation Multi-channel residual echo suppression
US10594869B2 (en) * 2017-08-03 2020-03-17 Bose Corporation Mitigating impact of double talk for residual echo suppressors
WO2019070722A1 (en) 2017-10-03 2019-04-11 Bose Corporation Spatial double-talk detector
CN112272848B (zh) * 2018-04-27 2024-05-24 杜比实验室特许公司 使用间隙置信度的背景噪声估计
CN108696648B (zh) * 2018-05-16 2021-08-24 上海小度技术有限公司 一种短时语音信号处理的方法、装置、设备及存储介质
EP3804356A1 (en) 2018-06-01 2021-04-14 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
CN108962276B (zh) * 2018-07-24 2020-11-17 杭州听测科技有限公司 一种语音分离方法及装置
CN109040498B (zh) * 2018-08-12 2022-01-07 瑞声科技（南京）有限公司 一种提升回声抵消效果的方法及其系统
US11310596B2 (en) 2018-09-20 2022-04-19 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
CN109461455B (zh) * 2018-11-30 2022-08-30 维沃移动通信（深圳）有限公司 一种消除啸叫的系统及方法
CN113841421B (zh) 2019-03-21 2025-02-11 舒尔获得控股公司 具有抑制功能的波束形成麦克风瓣的自动对焦、区域内自动对焦、及自动配置
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
US11303981B2 (en) 2019-03-21 2022-04-12 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
CN111292760B (zh) * 2019-05-10 2022-11-15 展讯通信（上海）有限公司 发声状态检测方法及用户设备
US10964305B2 (en) 2019-05-20 2021-03-30 Bose Corporation Mitigating impact of double talk for residual echo suppressors
EP3796629B1 (en) 2019-05-22 2022-08-31 Shenzhen Goodix Technology Co., Ltd. Double talk detection method, double talk detection device and echo cancellation system
EP3973716A1 (en) 2019-05-23 2022-03-30 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
WO2020243471A1 (en) 2019-05-31 2020-12-03 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
CN110430330A (zh) * 2019-08-08 2019-11-08 北京云中融信网络科技有限公司 一种基于通话的音频数据处理方法及装置
US11297426B2 (en) 2019-08-23 2022-04-05 Shure Acquisition Holdings, Inc. One-dimensional array microphone with improved directivity
CN110782914B (zh) * 2019-10-31 2022-04-15 网易（杭州）网络有限公司 信号处理方法、装置、终端设备及存储介质
WO2021087377A1 (en) 2019-11-01 2021-05-06 Shure Acquisition Holdings, Inc. Proximity microphone
JP7590850B2 (ja) * 2019-11-12 2024-11-27 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 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
CN110838300B (zh) * 2019-11-18 2022-03-25 紫光展锐(重庆)科技有限公司 回声消除的处理方法及处理系统
CN111092983B (zh) * 2019-12-25 2020-12-11 清华大学深圳国际研究生院 一种基于滑模变结构控制的语音通话回声与底噪抑制方法
WO2021146250A1 (en) 2020-01-13 2021-07-22 Milwaukee Electric Tool Corporation Portable battery pack-powered welder
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
US11706562B2 (en) 2020-05-29 2023-07-18 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
CN111798863B (zh) * 2020-06-24 2024-03-08 北京梧桐车联科技有限责任公司 消除回声的方法、装置、电子设备及可读存储介质
EP4285605A1 (en) 2021-01-28 2023-12-06 Shure Acquisition Holdings, Inc. Hybrid audio beamforming system
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
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
TWI802108B (zh) * 2021-05-08 2023-05-11 英屬開曼群島商意騰科技股份有限公司 降低聲學回音之語音處理裝置及其方法
CN113541851B (zh) * 2021-07-20 2022-04-15 成都云溯新起点科技有限公司 一种稳态宽带电磁频谱抑制方法
US11444813B1 (en) * 2021-07-23 2022-09-13 Macom Technology Solutions Holdings, Inc. Method and apparatus for CTLE equalizer adaptation based on samples from error slicers
EP4413745A1 (en) 2021-10-04 2024-08-14 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
EP4460983A1 (en) 2022-01-07 2024-11-13 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
JP2023129799A (ja) * 2022-03-07 2023-09-20 株式会社デンソーテン 通話処理装置および通話処理方法
CN116962583B (zh) * 2023-09-20 2023-12-08 腾讯科技（深圳）有限公司 一种回声控制的方法、装置、设备、存储介质及程序产品

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101346896A (zh) * 2005-10-26 2009-01-14 日本电气株式会社 回声抑制方法及设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644108A (en) 1982-10-27 1987-02-17 International Business Machines Corporation Adaptive sub-band echo suppressor
JPH08256089A (ja) * 1995-03-17 1996-10-01 Toshiba Corp エコー打消装置
JP2000138619A (ja) 1998-10-30 2000-05-16 Nec Corp エコーキャンセラ
US6373908B2 (en) * 1998-11-11 2002-04-16 Broadcom Corporation Adaptive electronic transmission signal cancellation apparatus for full duplex communication
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
CN1736039A (zh) * 2003-11-11 2006-02-15 三菱电机株式会社 回波抑制装置
US20060018457A1 (en) * 2004-06-25 2006-01-26 Takahiro Unno Voice activity detectors and methods
JP4413205B2 (ja) * 2006-06-21 2010-02-10 日本電信電話株式会社 エコー抑圧方法、装置、エコー抑圧プログラム、記録媒体
KR101470528B1 (ko) * 2008-06-09 2014-12-15 삼성전자주식회사 적응 빔포밍을 위한 사용자 방향의 소리 검출 기반의 적응모드 제어 장치 및 방법
ATE512438T1 (de) * 2009-03-23 2011-06-15 Harman Becker Automotive Sys Hintergrundgeräuschschätzung
JP5321372B2 (ja) * 2009-09-09 2013-10-23 沖電気工業株式会社 エコーキャンセラ
US8340278B2 (en) * 2009-11-20 2012-12-25 Texas Instruments Incorporated Method and apparatus for cross-talk resistant adaptive noise canceller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101346896A (zh) * 2005-10-26 2009-01-14 日本电气株式会社 回声抑制方法及设备

Also Published As

Publication number Publication date
CN101964670A (zh) 2011-02-02
US8315380B2 (en) 2012-11-20
JP5347794B2 (ja) 2013-11-20
JP2011024163A (ja) 2011-02-03
US20110019831A1 (en) 2011-01-27

Similar Documents

Publication Publication Date Title
CN101964670B (zh) 回声抑制方法及回声抑制设备
US8355511B2 (en) System and method for envelope-based acoustic echo cancellation
JP3568922B2 (ja) エコー処理装置
US8472616B1 (en) Self calibration of envelope-based acoustic echo cancellation
KR101017766B1 (ko) 핸드 프리 장치에서의 스펙트럼 도메인 비선형 반향 제거방법
EP3080975B1 (en) Echo cancellation
RU2495506C2 (ru) Устройство и способ расчета параметров управления фильтра эхоподавления и устройство и способ расчета величины задержки
US8306215B2 (en) Echo canceller for eliminating echo without being affected by noise
US9049281B2 (en) Nonlinear echo suppression
EP1080463B1 (en) Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
US20040264610A1 (en) Interference cancelling method and system for multisensor antenna
US9343073B1 (en) Robust noise suppression system in adverse echo conditions
EP3692703B1 (en) Echo canceller and method therefor
US6999920B1 (en) Exponential echo and noise reduction in silence intervals
EP4319192A1 (en) Echo suppressing device, echo suppressing method, and echo suppressing program
US6834108B1 (en) Method for improving acoustic noise attenuation in hand-free devices
JP2023519249A (ja) エコー残留抑制
JP3673727B2 (ja) 反響消去方法、その装置、そのプログラム及びその記録媒体
US7023986B2 (en) Echo canceller in a communication system at a terminal
EP4498368A1 (en) System and method for level-dependent maximum noise suppression
RU2722220C1 (ru) Устройство многоканальной адаптивной компенсации эхо-сигналов
KR100978015B1 (ko) 고정 스펙트럼 전력 의존 오디오 강화 시스템
CN120693788A (zh) 自动增益控制装置、回波去除装置、自动增益控制方法以及自动增益控制程序
PV et al. Robust Acoustic Echo Suppression In Modulation Domain

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131023

Termination date: 20210721