DE602006012528D1 - Akustischer echolöscher - Google Patents

Akustischer echolöscher

Info

Publication number
DE602006012528D1
DE602006012528D1 DE602006012528T DE602006012528T DE602006012528D1 DE 602006012528 D1 DE602006012528 D1 DE 602006012528D1 DE 602006012528 T DE602006012528 T DE 602006012528T DE 602006012528 T DE602006012528 T DE 602006012528T DE 602006012528 D1 DE602006012528 D1 DE 602006012528D1
Authority
DE
Germany
Prior art keywords
signal
pitch
unit
post
estimated pitch
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.)
Active
Application number
DE602006012528T
Other languages
English (en)
Inventor
Felip Riera-Palou
David Antoine Christian Marie Roovers
Cornelis Pieter Janse
Ivo Leon Diane Marie Merks
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602006012528D1 publication Critical patent/DE602006012528D1/de
Active 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)
  • Diaphragms For Electromechanical Transducers (AREA)
DE602006012528T 2005-10-21 2006-10-19 Akustischer echolöscher Active DE602006012528D1 (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
DE602006012528D1 true DE602006012528D1 (de) 2010-04-08

Family

ID=37728317

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006012528T Active DE602006012528D1 (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
WO2010091554A1 (zh) * 2009-02-13 2010-08-19 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
DE112014007255B4 (de) * 2014-12-15 2018-08-23 Mitsubishi Electric Corporation Echolöscheinrichtung und Echolöschverfahren

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
EP1578026A3 (de) 1994-05-06 2005-09-28 NTT Mobile Communications Network Inc. Verfahren und Gerät zur Detektion von Doppelsprechen sowie Echokompensator
DE69738288T2 (de) * 1996-05-31 2008-09-25 Koninklijke Philips Electronics N.V. Einrichtung zur unterdrückung einer störenden komponente eines eingangssignals
US6269161B1 (en) 1999-05-20 2001-07-31 Signalworks, Inc. System and method for near-end talker detection by spectrum analysis
US6510224B1 (en) * 1999-05-20 2003-01-21 Telefonaktiebolaget L M Ericsson Enhancement of near-end voice signals in an echo suppression system
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
EP1518393A1 (de) * 2002-06-19 2005-03-30 Koninklijke Philips Electronics N.V. Nichtstationärer echounterdrücker
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
US20080253552A1 (en) 2008-10-16
CN101292508A (zh) 2008-10-22
WO2007046070A1 (en) 2007-04-26
JP4814329B2 (ja) 2011-11-16
ATE459196T1 (de) 2010-03-15
JP2009513054A (ja) 2009-03-26
US8107616B2 (en) 2012-01-31
EP1941712B1 (de) 2010-02-24
EP1941712A1 (de) 2008-07-09
CN101292508B (zh) 2011-05-25

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Legal Events

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8364 No opposition during term of opposition