ATE459196T1 - Akustischer echolöscher - Google Patents

Akustischer echolöscher

Info

Publication number
ATE459196T1
ATE459196T1 AT06809648T AT06809648T ATE459196T1 AT E459196 T1 ATE459196 T1 AT E459196T1 AT 06809648 T AT06809648 T AT 06809648T AT 06809648 T AT06809648 T AT 06809648T AT E459196 T1 ATE459196 T1 AT E459196T1
Authority
AT
Austria
Prior art keywords
signal
pitch
unit
post
estimated pitch
Prior art date
Application number
AT06809648T
Other languages
English (en)
Inventor
Felip Riera-Palou
David Antoine Christian Marie Roovers
Cornelis Pieter Janse
Ivo Leon Diane Marie Merks
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE459196T1 publication Critical patent/ATE459196T1/de

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)
  • Diaphragms For Electromechanical Transducers (AREA)
AT06809648T 2005-10-21 2006-10-19 Akustischer echolöscher ATE459196T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05109829 2005-10-21
PCT/IB2006/053856 WO2007046070A1 (en) 2005-10-21 2006-10-19 Acoustic echo canceller

Publications (1)

Publication Number Publication Date
ATE459196T1 true ATE459196T1 (de) 2010-03-15

Family

ID=37728317

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06809648T ATE459196T1 (de) 2005-10-21 2006-10-19 Akustischer echolöscher

Country Status (7)

Country Link
US (1) US8107616B2 (de)
EP (1) EP1941712B1 (de)
JP (1) JP4814329B2 (de)
CN (1) CN101292508B (de)
AT (1) ATE459196T1 (de)
DE (1) DE602006012528D1 (de)
WO (1) WO2007046070A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8296136B2 (en) * 2007-11-15 2012-10-23 Qnx Software Systems Limited Dynamic controller for improving speech intelligibility
JP5239359B2 (ja) * 2008-01-31 2013-07-17 ヤマハ株式会社 ハウリング抑制装置
EP2380339B1 (de) 2008-12-22 2018-08-15 Koninklijke Philips N.V. Bestimmen einer akustischen kopplung zwischen einem sprechersignal des fernen endes und einem kombinierten signal
CN102016530B (zh) * 2009-02-13 2012-11-14 华为技术有限公司 一种基音周期检测方法和装置
US9195860B1 (en) 2014-01-10 2015-11-24 Seagate Technology Llc Adaptively combining waveforms
GB2519392B (en) * 2014-04-02 2016-02-24 Imagination Tech Ltd Auto-tuning of an acoustic echo canceller
JP6109450B2 (ja) * 2014-12-15 2017-04-05 三菱電機株式会社 エコーキャンセラ装置およびエコーキャンセル方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307405A (en) 1992-09-25 1994-04-26 Qualcomm Incorporated Network echo canceller
EP0708535A4 (de) * 1994-05-06 2004-09-29 Nippon Telegraph & Telephone Verfahren und gerät zur detektion von doppelsprechen, sowie echokompensator
WO1997045995A1 (en) * 1996-05-31 1997-12-04 Philips Electronics N.V. Arrangement for suppressing an interfering component of an input signal
US6510224B1 (en) * 1999-05-20 2003-01-21 Telefonaktiebolaget L M Ericsson Enhancement of near-end voice signals in an echo suppression system
US6269161B1 (en) 1999-05-20 2001-07-31 Signalworks, Inc. System and method for near-end talker detection by spectrum analysis
FR2802375B1 (fr) * 1999-12-09 2002-09-20 France Telecom Dispositif de traitement de l'echo dans un systeme de communication au niveau d'un terminal
US6961422B2 (en) * 2001-12-28 2005-11-01 Avaya Technology Corp. Gain control method for acoustic echo cancellation and suppression
WO2004002127A1 (en) * 2002-06-19 2003-12-31 Koninklijke Philips Electronics N.V. Non stationary echo canceller
JP4403491B2 (ja) * 2003-11-26 2010-01-27 ソニー株式会社 エコーキャンセラ、エコーキャンセル方法及びエコーキャンセルプログラム
US8170879B2 (en) * 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system

Also Published As

Publication number Publication date
US8107616B2 (en) 2012-01-31
CN101292508A (zh) 2008-10-22
EP1941712A1 (de) 2008-07-09
JP4814329B2 (ja) 2011-11-16
WO2007046070A1 (en) 2007-04-26
DE602006012528D1 (de) 2010-04-08
JP2009513054A (ja) 2009-03-26
CN101292508B (zh) 2011-05-25
EP1941712B1 (de) 2010-02-24
US20080253552A1 (en) 2008-10-16

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Legal Events

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