GB0203162D0 - Suppression of residual acoustic echo - Google Patents

Suppression of residual acoustic echo

Info

Publication number
GB0203162D0
GB0203162D0 GBGB0203162.3A GB0203162A GB0203162D0 GB 0203162 D0 GB0203162 D0 GB 0203162D0 GB 0203162 A GB0203162 A GB 0203162A GB 0203162 D0 GB0203162 D0 GB 0203162D0
Authority
GB
United Kingdom
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Withdrawn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
GBGB0203162.3A
Other versions
GB2369001A (en
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 GB0203162D0 publication Critical patent/GB0203162D0/en
Publication of GB2369001A publication Critical patent/GB2369001A/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Withdrawn legal-status Critical Current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)
GB0203162A 1999-09-07 2000-09-04 Suppression of residual acoustic echo Withdrawn GB2369001A (en)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 (2)

Publication Number Publication Date
GB0203162D0 true GB0203162D0 (en) 2002-03-27
GB2369001A GB2369001A (en) 2002-05-15

Family

ID=23543548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0203162A Withdrawn GB2369001A (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
AU6862200A (en) 2001-04-10
DE10084970T1 (en) 2002-11-21
GB2369001A (en) 2002-05-15
WO2001019062A1 (en) 2001-03-15

Similar Documents

Publication Publication Date Title
IL132743A0 (en) Acoustic echo canceler
SG71035A1 (en) Acoustic echo canceller
AU4599300A (en) Acoustic echo cancellation
AU7614000A (en) Noise suppression system with dual microphone echo cancellation
HK1047675A1 (en) Flat acoustic transducer
GB2348350B (en) Echo cancelling/suppression for handsets
HK1041739A1 (en) Noise suppression using external voice activity detection
AU3012397A (en) Acoustic echo canceler
GB2330745B (en) Nonlinear processor for acoustic echo canceller
AU4563700A (en) Enhancement of near-end voice signals in an echo suppression system
EP1073315A3 (en) Acoustic crosstalk cancellation system
AU5502901A (en) Echo and crosstalk cancellation
AU2001290957A1 (en) Residual echo estimation for echo cancellation
AU2001262877A1 (en) Frequency domain echo canceller
GB2341067B (en) Adaptive dual filter echo cancellation
EP1097561A4 (en) Acoustic echo canceller
GB2342996B (en) Acoustic pulse echo ranging system
AU5779100A (en) Fast line echo cancellation
HK1036907A1 (en) Watertight apparatus capable of being immersed andincluding an acoustic transducer.
AU6917600A (en) Acoustic transducer panel
GB0203162D0 (en) Suppression of residual acoustic echo
GB2355632B (en) Digital echo cancellation device
IL149685A0 (en) Non-embedded acoustic echo cancellation
GB2348091B (en) Subband echo canceller and method therefor
AU5215500A (en) Residual echo suppression

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)