DE10196631T1 - Restechoschätzung für die Echokompensation - Google Patents

Restechoschätzung für die Echokompensation

Info

Publication number
DE10196631T1
DE10196631T1 DE10196631T DE10196631T DE10196631T1 DE 10196631 T1 DE10196631 T1 DE 10196631T1 DE 10196631 T DE10196631 T DE 10196631T DE 10196631 T DE10196631 T DE 10196631T DE 10196631 T1 DE10196631 T1 DE 10196631T1
Authority
DE
Germany
Prior art keywords
echo
estimate
residual
cancellation
echo cancellation
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.)
Ceased
Application number
DE10196631T
Other languages
English (en)
Inventor
Michael E Deisher
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.)
Intel Corp
Original Assignee
Intel Corp
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 Intel Corp filed Critical Intel Corp
Publication of DE10196631T1 publication Critical patent/DE10196631T1/de
Ceased 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)
DE10196631T 2000-09-15 2001-09-14 Restechoschätzung für die Echokompensation Ceased DE10196631T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/663,748 US6859531B1 (en) 2000-09-15 2000-09-15 Residual echo estimation for echo cancellation
PCT/US2001/028825 WO2002023755A2 (en) 2000-09-15 2001-09-14 Residual echo estimation for echo cancellation

Publications (1)

Publication Number Publication Date
DE10196631T1 true DE10196631T1 (de) 2003-07-10

Family

ID=24663116

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10196631T Ceased DE10196631T1 (de) 2000-09-15 2001-09-14 Restechoschätzung für die Echokompensation

Country Status (9)

Country Link
US (1) US6859531B1 (de)
EP (1) EP1317845A2 (de)
CN (1) CN1486566A (de)
AU (1) AU2001290957A1 (de)
BR (1) BR0113897A (de)
DE (1) DE10196631T1 (de)
GB (1) GB2381698B (de)
TW (1) TW516301B (de)
WO (1) WO2002023755A2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003233019A1 (en) * 2002-06-19 2004-01-06 Koninklijke Philips Electronics N.V. Non stationary echo canceller
US7573839B2 (en) * 2004-07-07 2009-08-11 Broadcom Corporation Line driver for an adaptive hybrid circuit
US8457614B2 (en) 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
WO2008058492A1 (de) * 2006-11-15 2008-05-22 Siemens Aktiengesellschaft Verfahren und anordnung zum adaptiven filtern von signalen
US8050398B1 (en) 2007-10-31 2011-11-01 Clearone Communications, Inc. Adaptive conferencing pod sidetone compensator connecting to a telephonic device having intermittent sidetone
US8199927B1 (en) 2007-10-31 2012-06-12 ClearOnce Communications, Inc. Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter
DE602008006754D1 (de) * 2008-12-12 2011-06-16 Global Ip Solutions Inc Verzögerungsschätzgerät
SE533956C2 (sv) * 2009-07-20 2011-03-15 Limes Audio Ab Enhet och metod för styrning av restekodämpning
JP2011100029A (ja) * 2009-11-06 2011-05-19 Nec Corp 信号処理方法、情報処理装置、及び信号処理プログラム
US9343073B1 (en) * 2010-04-20 2016-05-17 Knowles Electronics, Llc Robust noise suppression system in adverse echo conditions
US8295214B2 (en) * 2010-04-22 2012-10-23 Plx Technology, Inc. Reducing transmit signal components of a receive signal of a transceiver
US9307321B1 (en) 2011-06-09 2016-04-05 Audience, Inc. Speaker distortion reduction
TWI469650B (zh) * 2012-11-29 2015-01-11 Quanta Comp Inc 回音消除系統
KR101715198B1 (ko) * 2015-11-18 2017-03-10 광주과학기술원 가변 전력 예산을 이용한 음성 강화 방법
JP2017199949A (ja) * 2016-04-25 2017-11-02 株式会社Ｊｖｃケンウッド エコー除去装置、エコー除去方法およびエコー除去プログラム
CN106683683A (zh) * 2016-12-28 2017-05-17 北京小米移动软件有限公司 终端状态确定方法及装置
CN106791245B (zh) * 2016-12-28 2021-07-06 北京小米移动软件有限公司 确定滤波器系数的方法及装置
CN106601269A (zh) * 2016-12-28 2017-04-26 北京小米移动软件有限公司 终端状态确定方法及装置
CN107452398B (zh) * 2017-08-09 2021-03-16 深圳创维数字技术有限公司 回声获取方法、电子设备及计算机可读存储介质
EP3791565B1 (de) 2018-05-09 2023-08-23 Nureva Inc. Verfahren und vorrichtung unter verwendung von restechoschätzungsinformationen zur ableitung sekundärer echoreduzierungsparameter
US11632147B2 (en) * 2020-08-13 2023-04-18 Marvell Asia Pte, Ltd. Simplified frequency-domain filter adaptation window
CN113689878A (zh) * 2021-07-26 2021-11-23 浙江大华技术股份有限公司 回声消除方法、回声消除装置及计算机可读存储介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5436940A (en) * 1992-06-11 1995-07-25 Massachusetts Institute Of Technology Quadrature mirror filter banks and method
ZA95599B (en) 1994-02-28 1996-02-06 Qualcomm Inc Doubletalk detection by means of spectral content
US5937060A (en) 1996-02-09 1999-08-10 Texas Instruments Incorporated Residual echo suppression
US6459942B1 (en) * 1997-09-30 2002-10-01 Compaq Information Technologies Group, L.P. Acoustic coupling compensation for a speakerphone of a system
US6658107B1 (en) 1998-10-23 2003-12-02 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for providing echo suppression using frequency domain nonlinear processing
SE514875C2 (sv) * 1999-09-07 2001-05-07 Ericsson Telefon Ab L M Förfarande och anordning för konstruktion av digitala filter

Also Published As

Publication number Publication date
AU2001290957A1 (en) 2002-03-26
US6859531B1 (en) 2005-02-22
GB2381698A (en) 2003-05-07
TW516301B (en) 2003-01-01
CN1486566A (zh) 2004-03-31
GB0305204D0 (en) 2003-04-09
WO2002023755A2 (en) 2002-03-21
WO2002023755A3 (en) 2002-06-06
GB2381698B (en) 2004-03-10
BR0113897A (pt) 2004-08-24
EP1317845A2 (de) 2003-06-11

Similar Documents

Publication Publication Date Title
DE10196631T1 (de) Restechoschätzung für die Echokompensation
DE60126797D1 (de) Räumliches filter für geführte wellen
DE60141316D1 (de) Indikator für die plasmasterilisation
DE60010030D1 (de) Echounterdrückungsvorrichtung
DE50102836D1 (de) Mehrteilige Abdeckung für Fahrzeuge
DE60131498T8 (de) VIRUSHÜLLENVEKTOR FüR DIE GENÜBERTRAGUNG
DE60140296D1 (de) Anbringung für näherungsradar
DE60115730D1 (de) Diebstahlsicherung für bewegliches Objekt
GB2422280B (en) Echo canceler
DE60307540D1 (de) Verteiltenechounterdrückung
DE60100327D1 (de) Auftriebsanordnung für die seitlichen Oberflächen eines Flugzeugs
DE60110719D1 (de) Befestigung für Haltegriff
DE60100551D1 (de) Schichtblatt für Haustiere
DE50101172D1 (de) Verbindungsanordnung für leitungen
GB2367467B (en) Noise level calculator for echo canceller
DE60115364D1 (de) Herstellungsverfahren für stranggussknüppel
GB2423681B (en) Echo canceller
DE60108095D1 (de) Seitenspiegelvorrichtung für fahrzeuge
DE50107033D1 (de) Standardinterface für Fahrzeuge
DE60000176D1 (de) Verpackungshüllen für stückseifen
ATE444414T1 (de) Vorrichtung für die toilettenhygiene
DE69932598D1 (de) Echokompensator
DE60136314D1 (de) Echounterdrückung
DE50109815D1 (de) Querschwelle für eisenbahngleise
DE60129454D1 (de) Wagen für einen autoklaven

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law

Ref document number: 10196631

Country of ref document: DE

Date of ref document: 20030710

Kind code of ref document: P

8125 Change of the main classification

Ipc: H04B 320

8131 Rejection