DE60333580D1 - Integrierte rauschlöschung und restechounterdrückung - Google Patents

Integrierte rauschlöschung und restechounterdrückung

Info

Publication number
DE60333580D1
DE60333580D1 DE60333580T DE60333580T DE60333580D1 DE 60333580 D1 DE60333580 D1 DE 60333580D1 DE 60333580 T DE60333580 T DE 60333580T DE 60333580 T DE60333580 T DE 60333580T DE 60333580 D1 DE60333580 D1 DE 60333580D1
Authority
DE
Germany
Prior art keywords
signal
echo
far
processor
average
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.)
Expired - Lifetime
Application number
DE60333580T
Other languages
English (en)
Inventor
Douglas Cairns
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE60333580D1 publication Critical patent/DE60333580D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Telephone Function (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Golf Clubs (AREA)
DE60333580T 2002-10-16 2003-10-10 Integrierte rauschlöschung und restechounterdrückung Expired - Lifetime DE60333580D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/272,095 US7027591B2 (en) 2002-10-16 2002-10-16 Integrated noise cancellation and residual echo suppression
PCT/US2003/032176 WO2004036889A1 (en) 2002-10-16 2003-10-10 Integrated noise cancellation and residual echo supression

Publications (1)

Publication Number Publication Date
DE60333580D1 true DE60333580D1 (de) 2010-09-09

Family

ID=32092572

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60333580T Expired - Lifetime DE60333580D1 (de) 2002-10-16 2003-10-10 Integrierte rauschlöschung und restechounterdrückung

Country Status (7)

Country Link
US (1) US7027591B2 (de)
EP (1) EP1554865B1 (de)
CN (1) CN1706174B (de)
AT (1) ATE476056T1 (de)
AU (1) AU2003277339A1 (de)
DE (1) DE60333580D1 (de)
WO (1) WO2004036889A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7420937B2 (en) * 2002-12-23 2008-09-02 Broadcom Corporation Selectively adaptable far-end echo cancellation in a packet voice system
US7711107B1 (en) * 2005-05-12 2010-05-04 Mindspeed Technologies, Inc. Perceptual masking of residual echo
CN101046965B (zh) * 2006-03-27 2010-05-12 华为技术有限公司 一种在回波消除中产生舒适噪声的方法
US8849231B1 (en) 2007-08-08 2014-09-30 Audience, Inc. System and method for adaptive power control
US8275120B2 (en) * 2006-05-30 2012-09-25 Microsoft Corp. Adaptive acoustic echo cancellation
KR101431281B1 (ko) * 2006-05-31 2014-08-21 에이저 시스템즈 엘엘시 비호출 상황에서 이동 통신 디바이스들에 의한 노이즈 감소
WO2010027304A1 (en) * 2008-09-02 2010-03-11 Telefonaktiebolaget L M Ericsson (Publ) Frequency selective sinr regeneration
CN101778183B (zh) * 2009-01-13 2013-06-05 华为终端有限公司 一种残留回声抑制方法及设备
WO2010122398A1 (en) * 2009-04-21 2010-10-28 Panasonic Electric Works Co., Ltd. Speakerphone apparatus
TWI399968B (zh) * 2009-04-21 2013-06-21 Panasonic Corp 揚聲電話裝置
US8600312B2 (en) * 2010-01-25 2013-12-03 Qualcomm Incorporated Method and apparatus for spectral sensing
CN101888455B (zh) * 2010-04-09 2013-07-03 熔点网讯(北京)科技有限公司 一种频域自适应回声抵消方法
US8295214B2 (en) * 2010-04-22 2012-10-23 Plx Technology, Inc. Reducing transmit signal components of a receive signal of a transceiver
JP5183828B2 (ja) * 2010-09-21 2013-04-17 三菱電機株式会社 雑音抑圧装置
KR102006734B1 (ko) 2012-09-21 2019-08-02 삼성전자 주식회사 음성 신호의 처리 방법 및 무선 통신 단말
GB2509493A (en) 2012-12-21 2014-07-09 Microsoft Corp Suppressing Echo in a received audio signal by estimating the echo power in the received audio signal based on an FIR filter estimate
GB2512022A (en) 2012-12-21 2014-09-24 Microsoft Corp Echo suppression
GB2510331A (en) 2012-12-21 2014-08-06 Microsoft Corp Echo suppression in an audio signal
US9307318B2 (en) * 2013-03-07 2016-04-05 Silicon Laboratories Inc. Audio processor circuits for acoustic echo cancellation and method therefor
KR102094011B1 (ko) * 2013-06-13 2020-03-26 삼성전자주식회사 전자 장치에서 노이즈를 제거하기 위한 장치 및 방법
CN110390830A (zh) * 2019-08-08 2019-10-29 西北民族大学 一种基于智能控制和语音识别引导功能的车载系统
CN113870823B (zh) * 2021-09-26 2024-04-30 西南石油大学 一种基于频域指数函数连接网络的有源噪声控制方法
US11924367B1 (en) 2022-02-09 2024-03-05 Amazon Technologies, Inc. Joint noise and echo suppression for two-way audio communication enhancement

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5835851A (en) * 1995-01-19 1998-11-10 Ericsson Inc. Method and apparatus for echo reduction in a hands-free cellular radio using added noise frames
US5636272A (en) * 1995-05-30 1997-06-03 Ericsson Inc. Apparatus amd method for increasing the intelligibility of a loudspeaker output and for echo cancellation in telephones
US5937060A (en) * 1996-02-09 1999-08-10 Texas Instruments Incorporated Residual echo suppression
US5796819A (en) * 1996-07-24 1998-08-18 Ericsson Inc. Echo canceller for non-linear circuits
US6301357B1 (en) * 1996-12-31 2001-10-09 Ericsson Inc. AC-center clipper for noise and echo suppression in a communications system
US6160886A (en) * 1996-12-31 2000-12-12 Ericsson Inc. Methods and apparatus for improved echo suppression in communications systems
US6185300B1 (en) * 1996-12-31 2001-02-06 Ericsson Inc. Echo canceler for use in communications system
CA2247429C (en) 1997-01-23 2002-01-01 Motorola, Inc. Apparatus and method for non-linear processing in a communication system
US6148078A (en) * 1998-01-09 2000-11-14 Ericsson Inc. Methods and apparatus for controlling echo suppression in communications systems
GB2369001A (en) 1999-09-07 2002-05-15 Dspc Tech Ltd Suppression of residual acoustic echo
JP3566158B2 (ja) * 1999-12-07 2004-09-15 三菱電機株式会社 エコーキャンセラ装置

Also Published As

Publication number Publication date
WO2004036889A1 (en) 2004-04-29
EP1554865A1 (de) 2005-07-20
CN1706174B (zh) 2011-05-18
US20040076288A1 (en) 2004-04-22
CN1706174A (zh) 2005-12-07
EP1554865B1 (de) 2010-07-28
ATE476056T1 (de) 2010-08-15
US7027591B2 (en) 2006-04-11
AU2003277339A1 (en) 2004-05-04

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