FR2952263B1 - Procede et dispositif d'annulation d'echo acoustique par tatouage audio - Google Patents

Procede et dispositif d'annulation d'echo acoustique par tatouage audio

Info

Publication number
FR2952263B1
FR2952263B1 FR0957636A FR0957636A FR2952263B1 FR 2952263 B1 FR2952263 B1 FR 2952263B1 FR 0957636 A FR0957636 A FR 0957636A FR 0957636 A FR0957636 A FR 0957636A FR 2952263 B1 FR2952263 B1 FR 2952263B1
Authority
FR
France
Prior art keywords
tatoo
cancellation
audio
acoustic echo
echo
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
FR0957636A
Other languages
English (en)
Other versions
FR2952263A1 (fr
Inventor
Gael Mahe
Imen Mezghani-Marrakchi
Meriem Jaidane
Monia Turki
Larbi Sonia Djaziri
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.)
Universite Paris 5 Rene Descartes
Original Assignee
Universite Paris 5 Rene Descartes
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
Priority to FR0957636A priority Critical patent/FR2952263B1/fr
Application filed by Universite Paris 5 Rene Descartes filed Critical Universite Paris 5 Rene Descartes
Priority to PCT/FR2010/052309 priority patent/WO2011051625A1/fr
Priority to JP2012535905A priority patent/JP5749275B2/ja
Priority to CA2779157A priority patent/CA2779157A1/fr
Priority to US13/503,607 priority patent/US20120213380A1/en
Priority to EP10788106A priority patent/EP2494772A1/fr
Publication of FR2952263A1 publication Critical patent/FR2952263A1/fr
Application granted granted Critical
Publication of FR2952263B1 publication Critical patent/FR2952263B1/fr
Priority to TNP2012000193A priority patent/TN2012000193A1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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)
  • Telephone Function (AREA)
FR0957636A 2009-10-29 2009-10-29 Procede et dispositif d'annulation d'echo acoustique par tatouage audio Expired - Fee Related FR2952263B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR0957636A FR2952263B1 (fr) 2009-10-29 2009-10-29 Procede et dispositif d'annulation d'echo acoustique par tatouage audio
JP2012535905A JP5749275B2 (ja) 2009-10-29 2010-10-27 オーディオ透かしによって音響エコーをキャンセルするための方法および装置
CA2779157A CA2779157A1 (fr) 2009-10-29 2010-10-27 Procede et dispositif d'annulation d'echo acoustique par tatouage audio
US13/503,607 US20120213380A1 (en) 2009-10-29 2010-10-27 Method and Device for Cancelling Acoustic Echo by Audio Watermarking
PCT/FR2010/052309 WO2011051625A1 (fr) 2009-10-29 2010-10-27 Procede et dispositif d'annulation d'echo acoustique par tatouage audio
EP10788106A EP2494772A1 (fr) 2009-10-29 2010-10-27 Procede et dispositif d'annulation d'echo acoustique par tatouage audio
TNP2012000193A TN2012000193A1 (fr) 2009-10-29 2012-04-25 Procede et dispositif d'annulation d'echo acoustique par tatouage audio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0957636A FR2952263B1 (fr) 2009-10-29 2009-10-29 Procede et dispositif d'annulation d'echo acoustique par tatouage audio

Publications (2)

Publication Number Publication Date
FR2952263A1 FR2952263A1 (fr) 2011-05-06
FR2952263B1 true FR2952263B1 (fr) 2012-01-06

Family

ID=42106007

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0957636A Expired - Fee Related FR2952263B1 (fr) 2009-10-29 2009-10-29 Procede et dispositif d'annulation d'echo acoustique par tatouage audio

Country Status (7)

Country Link
US (1) US20120213380A1 (fr)
EP (1) EP2494772A1 (fr)
JP (1) JP5749275B2 (fr)
CA (1) CA2779157A1 (fr)
FR (1) FR2952263B1 (fr)
TN (1) TN2012000193A1 (fr)
WO (1) WO2011051625A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103179296B (zh) 2011-12-26 2017-02-15 中兴通讯股份有限公司 一种回波抵消器及回波抵消方法
CN103516921A (zh) 2012-06-28 2014-01-15 杜比实验室特许公司 通过隐藏音频信号的回声控制
US9210270B2 (en) 2012-11-15 2015-12-08 Qualcomm Incorporated Echo cancellation for ultrasound
US9065971B2 (en) * 2012-12-19 2015-06-23 Microsoft Technology Licensing, Llc Video and audio tagging for active speaker detection
CN105122351B (zh) * 2013-01-18 2018-11-13 株式会社东芝 声音合成装置及声音合成方法
CN106165015B (zh) * 2014-01-17 2020-03-20 英特尔公司 用于促进基于加水印的回声管理的装置和方法
US20160171988A1 (en) * 2014-12-15 2016-06-16 Wire Swiss Gmbh Delay estimation for echo cancellation using ultrasonic markers
HUP1500264A2 (en) * 2015-06-01 2018-05-02 Femtonics Kft Layered structured acousto-optical deflector and method for optical beam deflection with deflectior
US10122863B2 (en) * 2016-09-13 2018-11-06 Microsemi Semiconductor (U.S.) Inc. Full duplex voice communication system and method
TWI790718B (zh) * 2021-08-19 2023-01-21 宏碁股份有限公司 會議終端及用於會議的回音消除方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3212796B2 (ja) * 1994-05-07 2001-09-25 株式会社エヌ・ティ・ティ・ドコモ エコーキャンセラ
JP3982836B2 (ja) * 1996-07-16 2007-09-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 情報信号に埋め込まれた透かし情報の検出方法
US6888945B2 (en) * 1998-03-11 2005-05-03 Acentech, Inc. Personal sound masking system
US7062039B1 (en) * 1999-05-27 2006-06-13 Telefonaktiebolaget Lm Ericsson Methods and apparatus for improving adaptive filter performance by inclusion of inaudible information
US6301364B1 (en) * 1999-10-06 2001-10-09 Acoustic Technologies, Inc. Tagging echoes with low frequency noise
US6771769B2 (en) * 2000-12-28 2004-08-03 Richard Henry Erving Method and apparatus for active reduction of speakerphone singing
JP4348924B2 (ja) * 2002-10-02 2009-10-21 日本電気株式会社 エコーキャンセラ装置及びそれに用いるエコーキャンセラ方法
US8396206B2 (en) * 2007-02-15 2013-03-12 Infineon Technologies Ag Multi-channel communication device and methods for reducing echoes by inserting a training sequence under a spectral mask

Also Published As

Publication number Publication date
TN2012000193A1 (fr) 2013-12-12
EP2494772A1 (fr) 2012-09-05
WO2011051625A1 (fr) 2011-05-05
JP2013509774A (ja) 2013-03-14
JP5749275B2 (ja) 2015-07-15
CA2779157A1 (fr) 2011-05-05
US20120213380A1 (en) 2012-08-23
FR2952263A1 (fr) 2011-05-06

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