KR100519001B1 - 통신 시스템에서 에코 억제 제어를 위한 방법 및 장치 - Google Patents

통신 시스템에서 에코 억제 제어를 위한 방법 및 장치 Download PDF

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Publication number
KR100519001B1
KR100519001B1 KR10-2000-7007535A KR20007007535A KR100519001B1 KR 100519001 B1 KR100519001 B1 KR 100519001B1 KR 20007007535 A KR20007007535 A KR 20007007535A KR 100519001 B1 KR100519001 B1 KR 100519001B1
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KR
South Korea
Prior art keywords
echo
suppressor
noise
echo suppressor
speech
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Expired - Fee Related
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KR10-2000-7007535A
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English (en)
Korean (ko)
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KR20010033951A (ko
Inventor
에릭 더글라스 로메스버그
Original Assignee
에릭슨 인크.
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Application filed by 에릭슨 인크. filed Critical 에릭슨 인크.
Publication of KR20010033951A publication Critical patent/KR20010033951A/ko
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Assigned to 클러스터 엘엘씨 reassignment 클러스터 엘엘씨 권리의 전부이전등록 Assignors: 에릭슨 인크.
Assigned to 옵티스 와이어리스 테크놀로지, 엘엘씨 reassignment 옵티스 와이어리스 테크놀로지, 엘엘씨 권리의 전부이전등록 Assignors: 클러스터 엘엘씨
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
KR10-2000-7007535A 1998-01-09 1998-12-22 통신 시스템에서 에코 억제 제어를 위한 방법 및 장치 Expired - Fee Related KR100519001B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/005,144 1998-01-09
US09/005,144 US6148078A (en) 1998-01-09 1998-01-09 Methods and apparatus for controlling echo suppression in communications systems
PCT/US1998/026231 WO1999035812A1 (en) 1998-01-09 1998-12-22 Methods and apparatus for controlling echo suppression in communications systems

Publications (2)

Publication Number Publication Date
KR20010033951A KR20010033951A (ko) 2001-04-25
KR100519001B1 true KR100519001B1 (ko) 2005-10-06

Family

ID=21714404

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2000-7007535A Expired - Fee Related KR100519001B1 (ko) 1998-01-09 1998-12-22 통신 시스템에서 에코 억제 제어를 위한 방법 및 장치

Country Status (12)

Country Link
US (1) US6148078A (https=)
EP (1) EP1044558B1 (https=)
JP (1) JP2002501336A (https=)
KR (1) KR100519001B1 (https=)
CN (1) CN100502443C (https=)
AU (1) AU756390B2 (https=)
BR (1) BR9813791B1 (https=)
DE (1) DE69820118D1 (https=)
EE (1) EE200000415A (https=)
IL (1) IL137182A (https=)
TR (2) TR200100647T2 (https=)
WO (1) WO1999035812A1 (https=)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3579245B2 (ja) * 1998-03-31 2004-10-20 三洋電機株式会社 エコーキャンセラの制御方法およびエコー除去装置
US6526140B1 (en) * 1999-11-03 2003-02-25 Tellabs Operations, Inc. Consolidated voice activity detection and noise estimation
US6760435B1 (en) * 2000-02-08 2004-07-06 Lucent Technologies Inc. Method and apparatus for network speech enhancement
US7050575B1 (en) 2000-06-16 2006-05-23 Ericsson Inc. Echo canceler coefficient update apparatus and method
DE10030926A1 (de) * 2000-06-24 2002-01-03 Alcatel Sa Störsignalabhängige adaptive Echounterdrückung
JP3553008B2 (ja) * 2000-09-26 2004-08-11 岩崎通信機株式会社 エコー低減方法および電話装置
US6889066B2 (en) * 2001-03-27 2005-05-03 Qualcomm Incorporated Network echo suppression in mobile stations
DE10119277A1 (de) * 2001-04-20 2002-10-24 Alcatel Sa Verfahren zur Maskierung von Geräuschmodulationen und Störgeräuschen bei der Sprachübertragung
GB2375688B (en) * 2001-05-14 2004-09-29 Motorola Ltd Telephone apparatus and a communication method using such apparatus
US6961422B2 (en) * 2001-12-28 2005-11-01 Avaya Technology Corp. Gain control method for acoustic echo cancellation and suppression
US7187656B2 (en) 2002-05-02 2007-03-06 General Instrument Corporation Method and system for processing tones to reduce false detection of fax and modem communications
US7027591B2 (en) * 2002-10-16 2006-04-11 Ericsson Inc. Integrated noise cancellation and residual echo suppression
JP4282317B2 (ja) * 2002-12-05 2009-06-17 アルパイン株式会社 音声通信装置
AU2003285714A1 (en) * 2003-01-08 2004-08-10 Koninklijke Philips Electronics N.V. Device and method for suppressing echo, in particular in telephones
US7065207B2 (en) * 2003-09-11 2006-06-20 Freescale Semiconductor, Inc. Controlling attenuation during echo suppression
US7046794B2 (en) * 2003-12-12 2006-05-16 Motorola, Inc. Double talk activity detector and method for an echo canceler circuit
US7099458B2 (en) * 2003-12-12 2006-08-29 Motorola, Inc. Downlink activity and double talk probability detector and method for an echo canceler circuit
JP4544040B2 (ja) * 2004-06-17 2010-09-15 パナソニック株式会社 エコーキャンセル装置およびそれを用いた電話機、並びにエコーキャンセル方法
US7856097B2 (en) * 2004-06-17 2010-12-21 Panasonic Corporation Echo canceling apparatus, telephone set using the same, and echo canceling method
US7395790B2 (en) * 2004-11-18 2008-07-08 S&S Cycle, Inc. Reed valve breather for evolution engine
US8457614B2 (en) 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
US20070033030A1 (en) * 2005-07-19 2007-02-08 Oded Gottesman Techniques for measurement, adaptation, and setup of an audio communication system
US20070036342A1 (en) * 2005-08-05 2007-02-15 Boillot Marc A Method and system for operation of a voice activity detector
JP4727542B2 (ja) * 2006-09-26 2011-07-20 富士通株式会社 電子機器、そのエコーキャンセル方法、そのエコーキャンセルプログラム、記録媒体及び回路基板
US9966085B2 (en) * 2006-12-30 2018-05-08 Google Technology Holdings LLC Method and noise suppression circuit incorporating a plurality of noise suppression techniques
US20090043577A1 (en) * 2007-08-10 2009-02-12 Ditech Networks, Inc. Signal presence detection using bi-directional communication data
US7809129B2 (en) * 2007-08-31 2010-10-05 Motorola, Inc. Acoustic echo cancellation based on noise environment
US8199927B1 (en) 2007-10-31 2012-06-12 ClearOnce Communications, Inc. Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter
US8050398B1 (en) 2007-10-31 2011-11-01 Clearone Communications, Inc. Adaptive conferencing pod sidetone compensator connecting to a telephonic device having intermittent sidetone
JP5156043B2 (ja) * 2010-03-26 2013-03-06 株式会社東芝 音声判別装置
US8447595B2 (en) * 2010-06-03 2013-05-21 Apple Inc. Echo-related decisions on automatic gain control of uplink speech signal in a communications device
US8903325B2 (en) 2011-02-21 2014-12-02 Empire Technology Development Llc Using out-band information to improve wireless communications
US9002030B2 (en) 2012-05-01 2015-04-07 Audyssey Laboratories, Inc. System and method for performing voice activity detection
US9936290B2 (en) * 2013-05-03 2018-04-03 Qualcomm Incorporated Multi-channel echo cancellation and noise suppression
GB201308247D0 (en) * 2013-05-08 2013-06-12 Microsoft Corp Noise reduction
GB2519392B (en) 2014-04-02 2016-02-24 Imagination Tech Ltd Auto-tuning of an acoustic echo canceller
EP2999199B1 (en) 2014-09-16 2018-03-07 Nxp B.V. Mobile device
CN105635379B (zh) * 2015-12-29 2020-02-14 腾讯科技（深圳）有限公司 噪声抑制方法及装置
FR3063566B1 (fr) * 2017-03-06 2019-03-22 Peugeot Citroen Automobiles Sa Procede et systeme de limitation de volume sonore de telephone de voiture
JP6338728B1 (ja) * 2017-03-31 2018-06-06 日本電信電話株式会社 エコーキャンセラ装置
CN107799123B (zh) * 2017-12-14 2021-07-23 南京地平线机器人技术有限公司 控制回声消除器的方法和具有回声消除功能的装置
CN112237008B (zh) * 2018-06-11 2022-06-03 索尼公司 信号处理装置、信号处理方法和计算机可读存储介质
JP7187183B2 (ja) * 2018-06-14 2022-12-12 株式会社トランストロン エコー抑圧装置、エコー抑圧方法およびエコー抑圧プログラム
CN111917926B (zh) * 2019-05-09 2021-08-06 上海触乐信息科技有限公司 一种通信终端中的回声消除方法、装置及终端设备
CN110956969B (zh) * 2019-11-28 2022-06-10 北京达佳互联信息技术有限公司 直播音频处理方法、装置、电子设备和存储介质
CN111583087B (zh) * 2020-05-06 2023-09-05 杭州小影创新科技股份有限公司 一种图像去水印方法
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
CN115706875A (zh) * 2021-08-07 2023-02-17 深圳方位通讯科技有限公司 对讲语音质量优化方法、装置、设备及存储介质
CN115440236B (zh) * 2022-08-31 2025-08-29 浙江大华技术股份有限公司 一种回声抑制方法、装置、电子设备及存储介质
US12598260B2 (en) * 2023-01-20 2026-04-07 Zoom Communications, Inc. Hybrid digital signal processing-artificial intelligence acoustic echo cancellation for virtual conferences

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3364531D1 (en) * 1982-10-15 1986-08-21 British Telecomm Noise control circuit
US5022074A (en) * 1985-07-01 1991-06-04 Rockwell International Corporation Digital echo suppressor
US5157653A (en) * 1990-08-03 1992-10-20 Coherent Communications Systems Corp. Residual echo elimination with proportionate noise injection
US5274705A (en) * 1991-09-24 1993-12-28 Tellabs Inc. Nonlinear processor for an echo canceller and method
JPH07123236B2 (ja) * 1992-12-18 1995-12-25 日本電気株式会社 双方向通話状態検出回路
GB2281680B (en) * 1993-08-27 1998-08-26 Motorola Inc A voice activity detector for an echo suppressor and an echo suppressor
US5475731A (en) * 1994-01-07 1995-12-12 Ericsson Inc. Echo-canceling system and method using echo estimate to modify error signal
GB2295300A (en) * 1994-11-18 1996-05-22 Motorola Israel Ltd Hands-free Duplex radio transceiver apparatus and method of training
JPH08204619A (ja) * 1995-01-26 1996-08-09 Nec Corp エコーサプレッサ
JP2928130B2 (ja) * 1995-04-19 1999-08-03 埼玉日本電気株式会社 ハンズフリー通信装置
US6301357B1 (en) * 1996-12-31 2001-10-09 Ericsson Inc. AC-center clipper for noise and echo suppression in a communications system

Also Published As

Publication number Publication date
TR200001904T2 (tr) 2000-11-21
JP2002501336A (ja) 2002-01-15
AU1907799A (en) 1999-07-26
BR9813791A (pt) 2000-10-03
WO1999035812A1 (en) 1999-07-15
TR200100647T2 (tr) 2002-06-21
CN1294814A (zh) 2001-05-09
BR9813791B1 (pt) 2013-04-16
IL137182A0 (en) 2001-07-24
EP1044558B1 (en) 2003-11-26
AU756390B2 (en) 2003-01-09
US6148078A (en) 2000-11-14
DE69820118D1 (de) 2004-01-08
IL137182A (en) 2004-09-27
EE200000415A (et) 2001-12-17
CN100502443C (zh) 2009-06-17
KR20010033951A (ko) 2001-04-25
EP1044558A1 (en) 2000-10-18
HK1037077A1 (zh) 2002-01-25

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