DE10084970T1 - Suppression of residual acoustic echo - Google Patents

Suppression of residual acoustic echo

Info

Publication number
DE10084970T1
DE10084970T1 DE10084970T DE10084970T DE10084970T1 DE 10084970 T1 DE10084970 T1 DE 10084970T1 DE 10084970 T DE10084970 T DE 10084970T DE 10084970 T DE10084970 T DE 10084970T DE 10084970 T1 DE10084970 T1 DE 10084970T1
Authority
DE
Germany
Prior art keywords
suppression
acoustic echo
residual acoustic
residual
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.)
Withdrawn
Application number
DE10084970T
Other languages
German (de)
Inventor
Adoram Erell
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.)
DSPC Technologies Ltd
Original Assignee
DSPC Technologies Ltd
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 DSPC Technologies Ltd filed Critical DSPC Technologies Ltd
Publication of DE10084970T1 publication Critical patent/DE10084970T1/en
Withdrawn legal-status Critical Current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
    • 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)
DE10084970T 1999-09-07 2000-09-04 Suppression of residual acoustic echo Withdrawn DE10084970T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39069799A 1999-09-07 1999-09-07
PCT/IL2000/000527 WO2001019062A1 (en) 1999-09-07 2000-09-04 Suppression of residual acoustic echo

Publications (1)

Publication Number Publication Date
DE10084970T1 true DE10084970T1 (en) 2002-11-21

Family

ID=23543548

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10084970T Withdrawn DE10084970T1 (en) 1999-09-07 2000-09-04 Suppression of residual acoustic echo

Country Status (4)

Country Link
AU (1) AU6862200A (en)
DE (1) DE10084970T1 (en)
GB (1) GB2369001A (en)
WO (1) WO2001019062A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7027591B2 (en) * 2002-10-16 2006-04-11 Ericsson Inc. Integrated noise cancellation and residual echo suppression
CN101046965B (en) * 2006-03-27 2010-05-12 华为技术有限公司 Method for generating comfortable noise in echo removing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016271A (en) * 1989-05-30 1991-05-14 At&T Bell Laboratories Echo canceler-suppressor speakerphone
US5157653A (en) * 1990-08-03 1992-10-20 Coherent Communications Systems Corp. Residual echo elimination with proportionate noise injection
US5307405A (en) * 1992-09-25 1994-04-26 Qualcomm Incorporated Network echo canceller
US5937060A (en) * 1996-02-09 1999-08-10 Texas Instruments Incorporated Residual echo suppression
US5835486A (en) * 1996-07-11 1998-11-10 Dsc/Celcore, Inc. Multi-channel transcoder rate adapter having low delay and integral echo cancellation
US6052462A (en) * 1997-07-10 2000-04-18 Tellabs Operations, Inc. Double talk detection and echo control circuit

Also Published As

Publication number Publication date
GB0203162D0 (en) 2002-03-27
WO2001019062A1 (en) 2001-03-15
AU6862200A (en) 2001-04-10
GB2369001A (en) 2002-05-15

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee