IL150026A0 - Real time processing and management method for canceling out the echo between a loudspeaker and a microphone of a computer terminal - Google Patents

Real time processing and management method for canceling out the echo between a loudspeaker and a microphone of a computer terminal

Info

Publication number
IL150026A0
IL150026A0 IL15002600A IL15002600A IL150026A0 IL 150026 A0 IL150026 A0 IL 150026A0 IL 15002600 A IL15002600 A IL 15002600A IL 15002600 A IL15002600 A IL 15002600A IL 150026 A0 IL150026 A0 IL 150026A0
Authority
IL
Israel
Prior art keywords
loudspeaker
microphone
signal
echo
real time
Prior art date
Application number
IL15002600A
Other languages
English (en)
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Publication of IL150026A0 publication Critical patent/IL150026A0/xx

Links

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)
  • Circuit For Audible Band Transducer (AREA)
  • Image Processing (AREA)
IL15002600A 1999-12-14 2000-06-27 Real time processing and management method for canceling out the echo between a loudspeaker and a microphone of a computer terminal IL150026A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9915742A FR2802367B1 (fr) 1999-12-14 1999-12-14 Procede temps reel de traitement et de gestion pour l'annulation d'echo entre haut-parleur et microphone d'un terminal informatique
PCT/FR2000/001792 WO2001045375A1 (fr) 1999-12-14 2000-06-27 Procede temps reel de traitemten et de gestion pour l'annulation d'echo entre haut-parleur et microphone d'un terminal informatique

Publications (1)

Publication Number Publication Date
IL150026A0 true IL150026A0 (en) 2002-12-01

Family

ID=9553229

Family Applications (1)

Application Number Title Priority Date Filing Date
IL15002600A IL150026A0 (en) 1999-12-14 2000-06-27 Real time processing and management method for canceling out the echo between a loudspeaker and a microphone of a computer terminal

Country Status (11)

Country Link
US (1) US7555116B1 (ja)
EP (1) EP1238528B1 (ja)
JP (1) JP4527342B2 (ja)
AT (1) ATE349136T1 (ja)
AU (1) AU5992600A (ja)
CA (1) CA2394342C (ja)
DE (1) DE60032512T2 (ja)
ES (1) ES2278620T3 (ja)
FR (1) FR2802367B1 (ja)
IL (1) IL150026A0 (ja)
WO (1) WO2001045375A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1853087B1 (en) 2005-02-21 2014-07-30 Fujitsu Ltd. Echo canceller
JP4928922B2 (ja) 2006-12-01 2012-05-09 株式会社東芝 情報処理装置、およびプログラム
NO327377B1 (no) * 2007-12-18 2009-06-22 Tandberg Telecom As Fremgangsmate og system for klokkedriftskompensering
JP5877351B2 (ja) * 2010-12-15 2016-03-08 パナソニックＩｐマネジメント株式会社 通信装置および通信方法
US20130067050A1 (en) * 2011-09-11 2013-03-14 Microsoft Corporation Playback manager
JP6038635B2 (ja) * 2012-12-21 2016-12-07 株式会社東芝 信号処理装置および信号処理方法
US9812146B1 (en) * 2016-02-16 2017-11-07 Amazon Technologies, Inc. Synchronization of inbound and outbound audio in a heterogeneous echo cancellation system
CN113593589B (zh) 2020-04-30 2022-06-28 阿波罗智联(北京)科技有限公司 回声时延检测方法、装置及电子设备
CN113689871A (zh) * 2020-05-19 2021-11-23 阿里巴巴集团控股有限公司 回声消除方法和装置
KR20220017775A (ko) * 2020-08-05 2022-02-14 삼성전자주식회사 오디오 신호 처리 장치 및 그 동작 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3397269B2 (ja) * 1994-10-26 2003-04-14 日本電信電話株式会社 多チャネル反響消去方法
FR2733867B1 (fr) * 1995-05-04 1997-07-18 Barriac Vincent Procede et dispositif de mesure sans intrusion de la qualite de transmission d'une ligne telephonique
JPH09284364A (ja) * 1996-04-15 1997-10-31 Sony Corp 電話装置及び音声符号化復号化方法
US5864714A (en) * 1996-04-16 1999-01-26 Comsys Communication & Signal Processing Ltd. Communication system which dynamically switches sizes of sample buffer between first size for quick response time and second size for robustness to interrupt latency
US6154497A (en) * 1996-12-19 2000-11-28 Texas Instruments Incorporated Method and system for analog to digital conversion
SG71035A1 (en) * 1997-08-01 2000-03-21 Bitwave Pte Ltd Acoustic echo canceller
US6778671B1 (en) * 1998-12-14 2004-08-17 Intel Corporation Method of reference to echo time alignment for facilitation of echo cancellation

Also Published As

Publication number Publication date
EP1238528B1 (fr) 2006-12-20
US7555116B1 (en) 2009-06-30
JP2003517782A (ja) 2003-05-27
ATE349136T1 (de) 2007-01-15
CA2394342A1 (fr) 2001-06-21
JP4527342B2 (ja) 2010-08-18
AU5992600A (en) 2001-06-25
DE60032512T2 (de) 2007-10-11
WO2001045375A1 (fr) 2001-06-21
DE60032512D1 (de) 2007-02-01
EP1238528A1 (fr) 2002-09-11
FR2802367A1 (fr) 2001-06-15
ES2278620T3 (es) 2007-08-16
CA2394342C (fr) 2007-01-02
FR2802367B1 (fr) 2006-08-18

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