DE10084614T1 - Anhebung von Nah-Sprachsignalen in einem Echounterdrückungssystem - Google Patents

Anhebung von Nah-Sprachsignalen in einem Echounterdrückungssystem

Info

Publication number
DE10084614T1
DE10084614T1 DE10084614T DE10084614T DE10084614T1 DE 10084614 T1 DE10084614 T1 DE 10084614T1 DE 10084614 T DE10084614 T DE 10084614T DE 10084614 T DE10084614 T DE 10084614T DE 10084614 T1 DE10084614 T1 DE 10084614T1
Authority
DE
Germany
Prior art keywords
enhancement
echo cancellation
speech signals
cancellation system
speech
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Withdrawn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
DE10084614T
Other languages
English (en)
Inventor
Nils Christensson
John Philipsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE10084614T1 publication Critical patent/DE10084614T1/de
Withdrawn legal-status Critical Current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
DE10084614T 1999-05-20 2000-05-09 Anhebung von Nah-Sprachsignalen in einem Echounterdrückungssystem Withdrawn DE10084614T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/315,009 US6510224B1 (en) 1999-05-20 1999-05-20 Enhancement of near-end voice signals in an echo suppression system
PCT/EP2000/004138 WO2000072565A1 (en) 1999-05-20 2000-05-09 Enhancement of near-end voice signals in an echo suppression system

Publications (1)

Publication Number Publication Date
DE10084614T1 true DE10084614T1 (de) 2002-06-27

Family

ID=23222473

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10084614T Withdrawn DE10084614T1 (de) 1999-05-20 2000-05-09 Anhebung von Nah-Sprachsignalen in einem Echounterdrückungssystem

Country Status (7)

Country Link
US (1) US6510224B1 (de)
JP (1) JP2003500936A (de)
CN (1) CN1223109C (de)
AU (1) AU4563700A (de)
DE (1) DE10084614T1 (de)
MY (1) MY122658A (de)
WO (1) WO2000072565A1 (de)

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US6765931B1 (en) * 1999-04-13 2004-07-20 Broadcom Corporation Gateway with voice
US6985492B1 (en) * 1999-04-13 2006-01-10 Broadcom Corporation Voice gateway with voice synchronization
EP1238489B1 (de) * 1999-12-13 2008-03-05 Broadcom Corporation Sprach-durchgangsvorrichtung mit sprachsynchronisierung in abwärtsrichtung
US6865162B1 (en) * 2000-12-06 2005-03-08 Cisco Technology, Inc. Elimination of clipping associated with VAD-directed silence suppression
DE10155179B4 (de) * 2001-11-12 2006-11-23 Andrew Wireless Systems Gmbh Digitaler Repeater mit Bandpassfilterung, adaptiver Vorentzerrung und Unterdrückung der Eigenschwingung
EP1523846A1 (de) * 2002-07-16 2005-04-20 Koninklijke Philips Electronics N.V. Echounterdrücker mit kompensation von modellfehlanpassungen
JP4161628B2 (ja) * 2002-07-19 2008-10-08 日本電気株式会社 エコー抑圧方法及び装置
EP1443498B1 (de) * 2003-01-24 2008-03-19 Sony Ericsson Mobile Communications AB Rauschreduzierung und audiovisuelle Sprachaktivitätsdetektion
US20050285935A1 (en) * 2004-06-29 2005-12-29 Octiv, Inc. Personal conferencing node
US20060147063A1 (en) * 2004-12-22 2006-07-06 Broadcom Corporation Echo cancellation in telephones with multiple microphones
US8509703B2 (en) * 2004-12-22 2013-08-13 Broadcom Corporation Wireless telephone with multiple microphones and multiple description transmission
US20060133621A1 (en) * 2004-12-22 2006-06-22 Broadcom Corporation Wireless telephone having multiple microphones
US20060182014A1 (en) * 2005-02-14 2006-08-17 Texas Instruments Incorporated Apparatus for and method of characterization of ethernet cable impairments
CN101292508B (zh) * 2005-10-21 2011-05-25 皇家飞利浦电子股份有限公司 声回波消除器
US8868417B2 (en) * 2007-06-15 2014-10-21 Alon Konchitsky Handset intelligibility enhancement system using adaptive filters and signal buffers
US20080312916A1 (en) * 2007-06-15 2008-12-18 Mr. Alon Konchitsky Receiver Intelligibility Enhancement System
US8868418B2 (en) * 2007-06-15 2014-10-21 Alon Konchitsky Receiver intelligibility enhancement system
JP4916394B2 (ja) * 2007-07-03 2012-04-11 富士通株式会社 エコー抑圧装置、エコー抑圧方法及びコンピュータプログラム
US8428661B2 (en) * 2007-10-30 2013-04-23 Broadcom Corporation Speech intelligibility in telephones with multiple microphones
US8204742B2 (en) * 2009-09-14 2012-06-19 Srs Labs, Inc. System for processing an audio signal to enhance speech intelligibility
US9280984B2 (en) * 2012-05-14 2016-03-08 Htc Corporation Noise cancellation method
US9426300B2 (en) 2013-09-27 2016-08-23 Dolby Laboratories Licensing Corporation Matching reverberation in teleconferencing environments
GB2536742B (en) * 2015-08-27 2017-08-09 Imagination Tech Ltd Nearend speech detector
WO2018072214A1 (zh) * 2016-10-21 2018-04-26 向裴 混合现实音频系统
EP3669780B1 (de) * 2018-12-21 2023-10-04 Audiodo AB (publ) Verfahren, vorrichtungen und system für einen kompensierten hörtest
CN111048096B (zh) * 2019-12-24 2022-07-26 大众问问(北京)信息科技有限公司 一种语音信号处理方法、装置及终端

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Publication number Priority date Publication date Assignee Title
DE2054073B2 (de) 1970-11-03 1972-09-28 Siemens AG, 1000 Berlin u. 8000 München Echosperre fuer einen sprechkreis auf einem vierdraht-uebertragungssystem
JPS63294018A (ja) 1987-05-27 1988-11-30 Oki Electric Ind Co Ltd 拡声電話機
JPS645250A (en) 1987-06-29 1989-01-10 Oki Electric Ind Co Ltd Howling prevention circuit for loudspeaker system telephone set
GB2240452A (en) 1990-01-10 1991-07-31 Motorola Inc Echo canceller has plurality of sub-band channels each with its own adaptive filter
CA2036078C (en) 1990-02-21 1994-07-26 Fumio Amano Sub-band acoustic echo canceller
US5305307A (en) 1991-01-04 1994-04-19 Picturetel Corporation Adaptive acoustic echo canceller having means for reducing or eliminating echo in a plurality of signal bandwidths
FR2678453B1 (fr) 1991-06-27 1994-12-09 Alcatel Business Systems Poste telephonique a dispositif d'annulation d'echo.
DE4227327A1 (de) 1992-08-18 1994-02-24 Philips Patentverwaltung Teilbandechokompensator mit Teilbandcodiereinrichtung
JP2654894B2 (ja) 1992-09-30 1997-09-17 日本電信電話株式会社 反響消去装置およびその方法
EP0708536B8 (de) * 1994-05-07 2006-09-13 Ntt Mobile Communications Network Inc. Echokompensator und dessen lernverfahren
US5553014A (en) 1994-10-31 1996-09-03 Lucent Technologies Inc. Adaptive finite impulse response filtering method and apparatus
US5548642A (en) 1994-12-23 1996-08-20 At&T Corp. Optimization of adaptive filter tap settings for subband acoustic echo cancelers in teleconferencing
FR2729024A1 (fr) 1994-12-30 1996-07-05 Matra Communication Annuleur d'echo acoustique avec filtrage en sous-bandes
US5633936A (en) * 1995-01-09 1997-05-27 Texas Instruments Incorporated Method and apparatus for detecting a near-end speech signal
ATE282924T1 (de) 1996-02-09 2004-12-15 Texas Instruments Inc Geräuschverminderungsanordnung
US5706344A (en) * 1996-03-29 1998-01-06 Digisonix, Inc. Acoustic echo cancellation in an integrated audio and telecommunication system
JP4104659B2 (ja) 1996-05-31 2008-06-18 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 入力信号の妨害成分を抑圧するための装置
JP3099870B2 (ja) 1996-07-23 2000-10-16 日本電気株式会社 音響エコーキャンセラ
FR2758677B1 (fr) * 1997-01-21 1999-04-02 Matra Communication Procede d'annulation d'echo et annuleur d'echo mettant en oeuvre un tel procede

Also Published As

Publication number Publication date
MY122658A (en) 2006-04-29
AU4563700A (en) 2000-12-12
US6510224B1 (en) 2003-01-21
JP2003500936A (ja) 2003-01-07
CN1361972A (zh) 2002-07-31
CN1223109C (zh) 2005-10-12
WO2000072565A1 (en) 2000-11-30

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Legal Events

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