DE60020317D1 - Rauschunterdrückung unter verwendung eines externen sprach-aktivitäts-detektors - Google Patents

Rauschunterdrückung unter verwendung eines externen sprach-aktivitäts-detektors

Info

Publication number
DE60020317D1
DE60020317D1 DE60020317T DE60020317T DE60020317D1 DE 60020317 D1 DE60020317 D1 DE 60020317D1 DE 60020317 T DE60020317 T DE 60020317T DE 60020317 T DE60020317 T DE 60020317T DE 60020317 D1 DE60020317 D1 DE 60020317D1
Authority
DE
Germany
Prior art keywords
noise reduction
activity detector
external language
language activity
external
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
DE60020317T
Other languages
English (en)
Other versions
DE60020317T2 (de
Inventor
Brian Piket
Wayne Springfield
Pei-Ching Chen
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.)
Cdc Propriete Intellectuelle Sa Paris Fr
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE60020317D1 publication Critical patent/DE60020317D1/de
Publication of DE60020317T2 publication Critical patent/DE60020317T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
DE60020317T 1999-04-19 2000-03-16 Rauschunterdrückung unter verwendung eines externen sprach-aktivitäts-detektors Expired - Lifetime DE60020317T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US293901 1999-04-19
US09/293,901 US6618701B2 (en) 1999-04-19 1999-04-19 Method and system for noise suppression using external voice activity detection
PCT/US2000/007090 WO2000063887A1 (en) 1999-04-19 2000-03-16 Noise suppression using external voice activity detection

Publications (2)

Publication Number Publication Date
DE60020317D1 true DE60020317D1 (de) 2005-06-30
DE60020317T2 DE60020317T2 (de) 2005-11-17

Family

ID=23131053

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60020317T Expired - Lifetime DE60020317T2 (de) 1999-04-19 2000-03-16 Rauschunterdrückung unter verwendung eines externen sprach-aktivitäts-detektors

Country Status (9)

Country Link
US (1) US6618701B2 (de)
EP (1) EP1086453B1 (de)
JP (1) JP2002542692A (de)
KR (1) KR100676216B1 (de)
CN (1) CN1133152C (de)
AU (1) AU3893700A (de)
DE (1) DE60020317T2 (de)
HK (1) HK1041739A1 (de)
WO (1) WO2000063887A1 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7933295B2 (en) 1999-04-13 2011-04-26 Broadcom Corporation Cable modem with voice processing capability
US7263074B2 (en) * 1999-12-09 2007-08-28 Broadcom Corporation Voice activity detection based on far-end and near-end statistics
AU3041800A (en) * 1999-12-21 2001-07-09 Nokia Networks Oy Equaliser with a cost function taking into account noise energy
US7617099B2 (en) * 2001-02-12 2009-11-10 FortMedia Inc. Noise suppression by two-channel tandem spectrum modification for speech signal in an automobile
FI110564B (fi) * 2001-03-29 2003-02-14 Nokia Corp Järjestelmä automaattisen kohinanvaimennuksen (ANC) kytkemiseksi päälle ja poiskytkemiseksi matkapuhelimessa
US7236929B2 (en) * 2001-05-09 2007-06-26 Plantronics, Inc. Echo suppression and speech detection techniques for telephony applications
US20020172350A1 (en) * 2001-05-15 2002-11-21 Edwards Brent W. Method for generating a final signal from a near-end signal and a far-end signal
US7295976B2 (en) * 2002-01-25 2007-11-13 Acoustic Technologies, Inc. Voice activity detector for telephone
US20040073422A1 (en) * 2002-10-14 2004-04-15 Simpson Gregory A. Apparatus and methods for surreptitiously recording and analyzing audio for later auditioning and application
JP4282317B2 (ja) * 2002-12-05 2009-06-17 アルパイン株式会社 音声通信装置
US7885420B2 (en) 2003-02-21 2011-02-08 Qnx Software Systems Co. Wind noise suppression system
US8326621B2 (en) * 2003-02-21 2012-12-04 Qnx Software Systems Limited Repetitive transient noise removal
US7949522B2 (en) 2003-02-21 2011-05-24 Qnx Software Systems Co. System for suppressing rain noise
US8271279B2 (en) 2003-02-21 2012-09-18 Qnx Software Systems Limited Signature noise removal
US20040218519A1 (en) * 2003-05-01 2004-11-04 Rong-Liang Chiou Apparatus and method for estimation of channel state information in OFDM receivers
JP4739219B2 (ja) * 2003-10-16 2011-08-03 エヌエックスピー ビー ヴィ 適応ノイズ下限トラッキングを伴う音声動作検出
JP4490090B2 (ja) * 2003-12-25 2010-06-23 株式会社エヌ・ティ・ティ・ドコモ 有音無音判定装置および有音無音判定方法
JP4601970B2 (ja) * 2004-01-28 2010-12-22 株式会社エヌ・ティ・ティ・ドコモ 有音無音判定装置および有音無音判定方法
CA2454296A1 (en) * 2003-12-29 2005-06-29 Nokia Corporation Method and device for speech enhancement in the presence of background noise
DE102004049347A1 (de) * 2004-10-08 2006-04-20 Micronas Gmbh Schaltungsanordnung bzw. Verfahren für Sprache enthaltende Audiosignale
KR100677396B1 (ko) 2004-11-20 2007-02-02 엘지전자 주식회사 음성인식장치의 음성구간 검출방법
EP2555190B1 (de) * 2005-09-02 2014-07-02 NEC Corporation Verfahren, Vorrichtung und Computerprogramm zur Rauschunterdrückung
US7764634B2 (en) * 2005-12-29 2010-07-27 Microsoft Corporation Suppression of acoustic feedback in voice communications
US8204754B2 (en) * 2006-02-10 2012-06-19 Telefonaktiebolaget L M Ericsson (Publ) System and method for an improved voice detector
US7720681B2 (en) * 2006-03-23 2010-05-18 Microsoft Corporation Digital voice profiles
US9462118B2 (en) * 2006-05-30 2016-10-04 Microsoft Technology Licensing, Llc VoIP communication content control
US8971217B2 (en) * 2006-06-30 2015-03-03 Microsoft Technology Licensing, Llc Transmitting packet-based data items
US9966085B2 (en) * 2006-12-30 2018-05-08 Google Technology Holdings LLC Method and noise suppression circuit incorporating a plurality of noise suppression techniques
US8195454B2 (en) 2007-02-26 2012-06-05 Dolby Laboratories Licensing Corporation Speech enhancement in entertainment audio
CN101320559B (zh) * 2007-06-07 2011-05-18 华为技术有限公司 一种声音激活检测装置及方法
WO2009035613A1 (en) * 2007-09-12 2009-03-19 Dolby Laboratories Licensing Corporation Speech enhancement with noise level estimation adjustment
EP2107553B1 (de) * 2008-03-31 2011-05-18 Harman Becker Automotive Systems GmbH Verfahren zur Erkennung einer Unterbrechung einer Sprachausgabe
US9575715B2 (en) * 2008-05-16 2017-02-21 Adobe Systems Incorporated Leveling audio signals
CN101625860B (zh) * 2008-07-10 2012-07-04 新奥特(北京)视频技术有限公司 语音端点检测中的背景噪声自适应调整方法
WO2010003546A2 (en) * 2008-07-11 2010-01-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E .V. An apparatus and a method for calculating a number of spectral envelopes
ES2396927T3 (es) 2008-07-11 2013-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y procedimiento para decodificar una señal de audio codificada
US8184791B2 (en) * 2009-03-30 2012-05-22 Verizon Patent And Licensing Inc. Method and system for compensating audio signals during a communication session
CN101859568B (zh) 2009-04-10 2012-05-30 比亚迪股份有限公司 一种语音背景噪声的消除方法和装置
EP2491559B1 (de) * 2009-10-19 2014-12-10 Telefonaktiebolaget LM Ericsson (publ) Verfahren und hintergrundbestimmungsgerät zur erkennung von sprachaktivitäten
CN104485118A (zh) * 2009-10-19 2015-04-01 瑞典爱立信有限公司 用于语音活动检测的检测器和方法
JP5641186B2 (ja) * 2010-01-13 2014-12-17 ヤマハ株式会社 雑音抑圧装置およびプログラム
US8626498B2 (en) * 2010-02-24 2014-01-07 Qualcomm Incorporated Voice activity detection based on plural voice activity detectors
WO2011111091A1 (ja) * 2010-03-09 2011-09-15 三菱電機株式会社 雑音抑圧装置
US8447595B2 (en) 2010-06-03 2013-05-21 Apple Inc. Echo-related decisions on automatic gain control of uplink speech signal in a communications device
US9792925B2 (en) * 2010-11-25 2017-10-17 Nec Corporation Signal processing device, signal processing method and signal processing program
EP2743924B1 (de) 2010-12-24 2019-02-20 Huawei Technologies Co., Ltd. Verfahren und Vorrichtung zur adaptiven Detektion einer Stimmaktivität in einem Audioeingangssignal
CN102543092B (zh) * 2010-12-29 2014-02-05 联芯科技有限公司 一种噪声估计方法及装置
US20140006019A1 (en) * 2011-03-18 2014-01-02 Nokia Corporation Apparatus for audio signal processing
US8990074B2 (en) 2011-05-24 2015-03-24 Qualcomm Incorporated Noise-robust speech coding mode classification
US9210507B2 (en) * 2013-01-29 2015-12-08 2236008 Ontartio Inc. Microphone hiss mitigation
CN110265058B (zh) 2013-12-19 2023-01-17 瑞典爱立信有限公司 估计音频信号中的背景噪声
CN104269178A (zh) * 2014-08-08 2015-01-07 华迪计算机集团有限公司 对语音信号进行自适应谱减和小波包消噪处理的方法和装置
US9953661B2 (en) * 2014-09-26 2018-04-24 Cirrus Logic Inc. Neural network voice activity detection employing running range normalization
US10771631B2 (en) * 2016-08-03 2020-09-08 Dolby Laboratories Licensing Corporation State-based endpoint conference interaction
CN107123419A (zh) * 2017-05-18 2017-09-01 北京大生在线科技有限公司 Sphinx语速识别中背景降噪的优化方法
EP3692521B1 (de) * 2017-10-06 2022-06-01 Sony Europe B.V. Audiodatei einhüllende mittels effektiver leistung in sequenzen von unter-fenstern .

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052568A (en) * 1976-04-23 1977-10-04 Communications Satellite Corporation Digital voice switch
EP0127718B1 (de) * 1983-06-07 1987-03-18 International Business Machines Corporation Verfahren zur Aktivitätsdetektion in einem Sprachübertragungssystem
AU608432B2 (en) 1988-03-11 1991-03-28 Lg Electronics Inc. Voice activity detection
US5276765A (en) * 1988-03-11 1994-01-04 British Telecommunications Public Limited Company Voice activity detection
JP2842026B2 (ja) * 1991-02-20 1998-12-24 日本電気株式会社 適応フィルタの係数制御方法及び装置
US5278944A (en) * 1992-07-15 1994-01-11 Kokusai Electric Co., Ltd. Speech coding circuit
IN184794B (de) * 1993-09-14 2000-09-30 British Telecomm
EP0681730A4 (de) * 1993-11-30 1997-12-17 At & T Corp Verminderung von übertragungsrauschen in kommunikationssystemen.
US5526419A (en) * 1993-12-29 1996-06-11 At&T Corp. Background noise compensation in a telephone set
US5657422A (en) 1994-01-28 1997-08-12 Lucent Technologies Inc. Voice activity detection driven noise remediator
US5659622A (en) 1995-11-13 1997-08-19 Motorola, Inc. Method and apparatus for suppressing noise in a communication system
FI100840B (fi) 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
US5881091A (en) 1996-02-05 1999-03-09 Hewlett-Packard Company Spread spectrum linearization for digitizing receivers
US5926060A (en) * 1996-05-10 1999-07-20 National Semiconductor Corporation Mirror model for designing a continuous-time filter with reduced filter noise
AU3352997A (en) 1996-07-03 1998-02-02 British Telecommunications Public Limited Company Voice activity detector
US6097820A (en) * 1996-12-23 2000-08-01 Lucent Technologies Inc. System and method for suppressing noise in digitally represented voice signals
JPH10247098A (ja) 1997-03-04 1998-09-14 Mitsubishi Electric Corp 可変レート音声符号化方法、可変レート音声復号化方法
US6023674A (en) * 1998-01-23 2000-02-08 Telefonaktiebolaget L M Ericsson Non-parametric voice activity detection
US6108610A (en) * 1998-10-13 2000-08-22 Noise Cancellation Technologies, Inc. Method and system for updating noise estimates during pauses in an information signal

Also Published As

Publication number Publication date
JP2002542692A (ja) 2002-12-10
HK1041739A1 (en) 2002-07-19
US20020152066A1 (en) 2002-10-17
CN1300417A (zh) 2001-06-20
EP1086453A1 (de) 2001-03-28
DE60020317T2 (de) 2005-11-17
WO2000063887A1 (en) 2000-10-26
US6618701B2 (en) 2003-09-09
KR100676216B1 (ko) 2007-01-30
KR20010052483A (ko) 2001-06-25
EP1086453B1 (de) 2005-05-25
AU3893700A (en) 2000-11-02
CN1133152C (zh) 2003-12-31

Similar Documents

Publication Publication Date Title
DE60020317D1 (de) Rauschunterdrückung unter verwendung eines externen sprach-aktivitäts-detektors
DE69716266T2 (de) Sprachaktivitätsdetektor
DE60030374D1 (de) Mehrkanaliges Ausrichtsystem unter Verwendung eines Interferenzgitters
DE60014833D1 (de) Sprachverarbeitung
DE69533734D1 (de) Durch Sprachaktivitätsdetektion gesteuerte Rauschunterdrückung
DE60019301D1 (de) Verbesserte text-zu-sprache umsetzung
DE60009206D1 (de) Rauschunterdrückung mittels spektraler Subtraktion
FI114422B (fi) Lähteen puheaktiviteetin tunnistus
DE10085188T1 (de) Wassersparende Toilette
DE60102331D1 (de) Datenübertragungssystem unter Verwendung eines menschlichen Körpers als Signalübertragungsweg
NO20004178D0 (no) Detektor for termiske nøytroner
DE60023742D1 (de) Fluor enthaltende vinylether
DE60041469D1 (de) Vorwärtskopplungsverstärker
NO20010080L (no) FremgangsmÕte ved fjerning av seismisk støy forÕrsaket av ekstern aktivitet
DE60004658D1 (de) Thiazolidindionderivat und seine verwendung als antidiabetikum
FI19992484A (fi) Menetelmä sykemittausjärjestelyn toiminta-asetusten suorittamiseksi ja sykemittausjärjestely
DE69920118D1 (de) Integratorschaltung unter Verwendung eines Verstärkers
FI19992453A (fi) Kohinanvaimennus
DE69725277D1 (de) Rauscharmer Verstärker
DE60010553D1 (de) Interferenzunterdrückungsverfahren
DE60042386D1 (de) Verbesserte operationsverstärkerausgangsstufe
ATE270908T1 (de) Orthotopisches totalkunstherz
DE29805338U1 (de) Strukturelle Verbesserung eines Bürostuhls
PT1226137E (pt) Fenil- e piridinil-tetra-hidro-piridinas que possuem uma actividade inibidora defnt
DE69916458D1 (de) Automatische Konfiguration eines Internet - artigen Computernetzes

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: SCHUMACHER & WILLSAU PATENTANWALTSGESELLSCHAFT MBH

8327 Change in the person/name/address of the patent owner

Owner name: TORSAL TECHNOLOGY GROUP LTD. LLC, WILMINGTON, , US

8327 Change in the person/name/address of the patent owner

Owner name: CDC PROPRIETE INTELLECTUELLE SA, PARIS, FR

R082 Change of representative

Ref document number: 1086453

Country of ref document: EP