DE69804329D1 - Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals - Google Patents

Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals

Info

Publication number
DE69804329D1
DE69804329D1 DE69804329T DE69804329T DE69804329D1 DE 69804329 D1 DE69804329 D1 DE 69804329D1 DE 69804329 T DE69804329 T DE 69804329T DE 69804329 T DE69804329 T DE 69804329T DE 69804329 D1 DE69804329 D1 DE 69804329D1
Authority
DE
Germany
Prior art keywords
noise reduction
voice signal
digital voice
digital
noise
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 - Fee Related
Application number
DE69804329T
Other languages
English (en)
Other versions
DE69804329T2 (de
Inventor
Philip Lockwood
Stephane Lubiarz
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.)
EADS Defence and Security Networks SAS
Nortel Networks France SAS
Original Assignee
EADS Defence and Security Networks SAS
Matra Nortel Communications SAS
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 EADS Defence and Security Networks SAS, Matra Nortel Communications SAS filed Critical EADS Defence and Security Networks SAS
Publication of DE69804329D1 publication Critical patent/DE69804329D1/de
Application granted granted Critical
Publication of DE69804329T2 publication Critical patent/DE69804329T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Picture Signal Circuits (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE69804329T 1997-09-18 1998-09-16 Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals Expired - Fee Related DE69804329T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9711642A FR2768546B1 (fr) 1997-09-18 1997-09-18 Procede de debruitage d'un signal de parole numerique
PCT/FR1998/001981 WO1999014739A1 (fr) 1997-09-18 1998-09-16 Procede de debruitage d'un signal de parole numerique

Publications (2)

Publication Number Publication Date
DE69804329D1 true DE69804329D1 (de) 2002-04-25
DE69804329T2 DE69804329T2 (de) 2002-11-14

Family

ID=9511229

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69804329T Expired - Fee Related DE69804329T2 (de) 1997-09-18 1998-09-16 Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals

Country Status (10)

Country Link
EP (1) EP1016073B1 (de)
JP (1) JP2001516902A (de)
CN (1) CN1276896A (de)
AU (1) AU9169098A (de)
BR (1) BR9812655A (de)
CA (1) CA2304015A1 (de)
DE (1) DE69804329T2 (de)
ES (1) ES2174484T3 (de)
FR (1) FR2768546B1 (de)
WO (1) WO1999014739A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379550A (en) * 2001-09-11 2003-03-12 Barrington Dyer Printed code recording and playing system, for music, speech and sounds
ES2349718T3 (es) * 2004-09-16 2011-01-10 France Telecom Procedimiento de tratamiento de señales acústicas ruidosas y dispositivo para la realización del procedimiento.
FR2899424A1 (fr) 2006-03-28 2007-10-05 France Telecom Procede de synthese binaurale prenant en compte un effet de salle
KR101320963B1 (ko) 2009-03-31 2013-10-23 후아웨이 테크놀러지 컴퍼니 리미티드 신호 잡음 제거 방법, 신호 잡음 제거 장치, 및 오디오 디코딩 시스템
CN101859569B (zh) * 2010-05-27 2012-08-15 上海朗谷电子科技有限公司 数字音频信号处理降噪的方法
CN104251934B (zh) * 2013-06-26 2018-08-14 华为技术有限公司 谐波分析方法和装置以及确定谐波间杂波的方法和装置
CN109741757B (zh) * 2019-01-29 2020-10-23 桂林理工大学南宁分校 用于窄带物联网的实时语音压缩和解压的方法
CN109817241B (zh) * 2019-02-18 2021-06-01 腾讯音乐娱乐科技（深圳）有限公司 音频处理方法、装置及存储介质
CN116580712B (zh) * 2023-07-14 2023-09-15 深圳攀高医疗电子有限公司 一种语音处理方法、系统及腰部治疗仪

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU633673B2 (en) * 1990-01-18 1993-02-04 Matsushita Electric Industrial Co., Ltd. Signal processing device
DE69124005T2 (de) * 1990-05-28 1997-07-31 Matsushita Electric Ind Co Ltd Sprachsignalverarbeitungsvorrichtung
US5469087A (en) * 1992-06-25 1995-11-21 Noise Cancellation Technologies, Inc. Control system using harmonic filters
US5555190A (en) * 1995-07-12 1996-09-10 Micro Motion, Inc. Method and apparatus for adaptive line enhancement in Coriolis mass flow meter measurement

Also Published As

Publication number Publication date
EP1016073B1 (de) 2002-03-20
ES2174484T3 (es) 2002-11-01
BR9812655A (pt) 2000-08-22
DE69804329T2 (de) 2002-11-14
AU9169098A (en) 1999-04-05
WO1999014739A1 (fr) 1999-03-25
FR2768546A1 (fr) 1999-03-19
FR2768546B1 (fr) 2000-07-21
EP1016073A1 (de) 2000-07-05
CN1276896A (zh) 2000-12-13
CA2304015A1 (fr) 1999-03-25
JP2001516902A (ja) 2001-10-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee