AU2003244935A1 - Echo canceller with model mismatch compensation - Google Patents

Echo canceller with model mismatch compensation

Info

Publication number
AU2003244935A1
AU2003244935A1 AU2003244935A AU2003244935A AU2003244935A1 AU 2003244935 A1 AU2003244935 A1 AU 2003244935A1 AU 2003244935 A AU2003244935 A AU 2003244935A AU 2003244935 A AU2003244935 A AU 2003244935A AU 2003244935 A1 AU2003244935 A1 AU 2003244935A1
Authority
AU
Australia
Prior art keywords
echo canceller
mismatch compensation
model mismatch
compensation
model
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.)
Abandoned
Application number
AU2003244935A
Other languages
English (en)
Inventor
Rene M. M. Derkx
Cornelis P. Janse
David A. C. M. Roovers
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 AU2003244935A1 publication Critical patent/AU2003244935A1/en
Abandoned legal-status Critical Current

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
    • 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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
AU2003244935A 2002-07-16 2003-06-23 Echo canceller with model mismatch compensation Abandoned AU2003244935A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02077868 2002-07-16
EP02077868.4 2002-07-16
PCT/IB2003/002863 WO2004008731A1 (en) 2002-07-16 2003-06-23 Echo canceller with model mismatch compensation

Publications (1)

Publication Number Publication Date
AU2003244935A1 true AU2003244935A1 (en) 2004-02-02

Family

ID=30011203

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003244935A Abandoned AU2003244935A1 (en) 2002-07-16 2003-06-23 Echo canceller with model mismatch compensation

Country Status (7)

Country Link
US (1) US20050175129A1 (https=)
EP (1) EP1523846A1 (https=)
JP (1) JP2005533427A (https=)
KR (1) KR20050021472A (https=)
CN (1) CN1669294A (https=)
AU (1) AU2003244935A1 (https=)
WO (1) WO2004008731A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9509854B2 (en) 2004-10-13 2016-11-29 Koninklijke Philips N.V. Echo cancellation
EP2078301A1 (fr) * 2006-09-28 2009-07-15 France Telecom Reduction de bruit et de distorsion dans une structure de type forward
GB2479776B (en) 2010-04-22 2012-08-29 Eads Uk Ltd Testing joints between composite and metal parts
US10056092B2 (en) 2014-09-12 2018-08-21 Nuance Communications, Inc. Residual interference suppression
JPWO2016092837A1 (ja) * 2014-12-10 2017-09-28 日本電気株式会社 音声処理装置、雑音抑圧装置、音声処理方法およびプログラム
CN107872235B (zh) * 2017-02-24 2019-08-20 珠海市杰理科技股份有限公司 降低无线通信集成电路中信号干扰的方法和装置
US10594869B2 (en) * 2017-08-03 2020-03-17 Bose Corporation Mitigating impact of double talk for residual echo suppressors
US10542153B2 (en) * 2017-08-03 2020-01-21 Bose Corporation Multi-channel residual echo suppression
US10863269B2 (en) 2017-10-03 2020-12-08 Bose Corporation Spatial double-talk detector
CN108488036B (zh) * 2018-05-04 2019-10-25 曲阜师范大学 基于模型失配补偿器的风电磁悬浮偏航系统悬浮控制方法
US10964305B2 (en) 2019-05-20 2021-03-30 Bose Corporation Mitigating impact of double talk for residual echo suppressors

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2947093B2 (ja) * 1994-11-02 1999-09-13 日本電気株式会社 適応フィルタによるシステム同定の方法および装置
EP0843934B1 (en) * 1996-05-31 2007-11-14 Koninklijke Philips Electronics N.V. Arrangement for suppressing an interfering component of an input signal
US6185300B1 (en) * 1996-12-31 2001-02-06 Ericsson Inc. Echo canceler for use in communications system
US6510224B1 (en) * 1999-05-20 2003-01-21 Telefonaktiebolaget L M Ericsson Enhancement of near-end voice signals in an echo suppression 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
AU1359601A (en) * 1999-11-03 2001-05-14 Tellabs Operations, Inc. Integrated voice processing system for packet networks
US7054419B2 (en) * 2001-01-02 2006-05-30 Soundbite Communications, Inc. Answering machine detection for voice message delivery method and system
US6950842B2 (en) * 2002-01-23 2005-09-27 Analog Devices, Inc. Echo canceller having an adaptive filter with a dynamically adjustable step size

Also Published As

Publication number Publication date
KR20050021472A (ko) 2005-03-07
US20050175129A1 (en) 2005-08-11
CN1669294A (zh) 2005-09-14
JP2005533427A (ja) 2005-11-04
WO2004008731A1 (en) 2004-01-22
EP1523846A1 (en) 2005-04-20

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase