CA2304015A1 - Procede de debruitage d'un signal de parole numerique - Google Patents

Procede de debruitage d'un signal de parole numerique Download PDF

Info

Publication number
CA2304015A1
CA2304015A1 CA002304015A CA2304015A CA2304015A1 CA 2304015 A1 CA2304015 A1 CA 2304015A1 CA 002304015 A CA002304015 A CA 002304015A CA 2304015 A CA2304015 A CA 2304015A CA 2304015 A1 CA2304015 A1 CA 2304015A1
Authority
CA
Canada
Prior art keywords
signal
frequency
frame
spectral
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.)
Abandoned
Application number
CA002304015A
Other languages
English (en)
French (fr)
Inventor
Stephane Lubiarz
Philip Lockwood
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.)
Nortel Networks France SAS
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2304015A1 publication Critical patent/CA2304015A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L21/0232Processing in the frequency domain
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0264Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Picture Signal Circuits (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
CA002304015A 1997-09-18 1998-09-16 Procede de debruitage d'un signal de parole numerique Abandoned CA2304015A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR97/11642 1997-09-18
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 (1)

Publication Number Publication Date
CA2304015A1 true CA2304015A1 (fr) 1999-03-25

Family

ID=9511229

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002304015A Abandoned CA2304015A1 (fr) 1997-09-18 1998-09-16 Procede de debruitage d'un signal de parole numerique

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
WO2006032760A1 (fr) * 2004-09-16 2006-03-30 France Telecom Procede de traitement d'un signal sonore bruite et dispositif pour la mise en œuvre du procede
FR2899424A1 (fr) * 2006-03-28 2007-10-05 France Telecom Procede de synthese binaurale prenant en compte un effet de salle
JP5459688B2 (ja) 2009-03-31 2014-04-02 ▲ホア▼▲ウェイ▼技術有限公司 復号信号のスペクトルを調整する方法、装置、および音声復号システム
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
CN113393849B (zh) * 2019-01-29 2022-07-12 桂林理工大学南宁分校 一种双模块数据处理的对讲机系统
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
FR2768546A1 (fr) 1999-03-19
DE69804329T2 (de) 2002-11-14
FR2768546B1 (fr) 2000-07-21
JP2001516902A (ja) 2001-10-02
EP1016073B1 (de) 2002-03-20
WO1999014739A1 (fr) 1999-03-25
AU9169098A (en) 1999-04-05
BR9812655A (pt) 2000-08-22
ES2174484T3 (es) 2002-11-01
CN1276896A (zh) 2000-12-13
DE69804329D1 (de) 2002-04-25
EP1016073A1 (de) 2000-07-05

Similar Documents

Publication Publication Date Title
EP1016072B1 (de) Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals
US7286980B2 (en) Speech processing apparatus and method for enhancing speech information and suppressing noise in spectral divisions of a speech signal
CA2436318C (fr) Procede et dispositif de reduction de bruit
EP1789956B1 (de) Verfahren zum verarbeiten eines rauschbehafteten tonsignals und einrichtung zur implementierung des verfahrens
EP2002428B1 (de) Verfahren zur trainierten diskrimination und dämpfung von echos eines digitalsignals in einem decoder und entsprechende einrichtung
US20090024387A1 (en) Communication system noise cancellation power signal calculation techniques
KR101737824B1 (ko) 잡음 환경의 입력신호로부터 잡음을 제거하는 방법 및 그 장치
EP1016071B1 (de) Verfahren und vorrichtung zur sprachdetektion
WO2001073758A1 (en) Spectrally interdependent gain adjustment techniques
JP5752324B2 (ja) 雑音の入った音声信号中のインパルス性干渉の単一チャネル抑制
JP3960834B2 (ja) 音声強調装置及び音声強調方法
EP0490740A1 (de) Verfahren und Einrichtung zum Bestimmen der Sprachgrundfrequenz in Vocodern mit sehr niedriger Datenrate
EP1279163A1 (de) Sprachanwesenheits-messdetektionstechniken
CA2304015A1 (fr) Procede de debruitage d'un signal de parole numerique
EP1021805B1 (de) Verfahren und vorrichtung zur verbesserung eines digitalen sprachsignals
EP2515300B1 (de) Verfahren und System für die Geräuschunterdrückung
FR2797343A1 (fr) Procede et dispositif de detection d'activite vocale
EP4287648A1 (de) Elektronische vorrichtung und verarbeitungsverfahren, akustische vorrichtung und computerprogramm dafür
FR3051958A1 (fr) Procede et dispositif pour estimer un signal dereverbere

Legal Events

Date Code Title Description
FZDE Discontinued