DE69804329D1 - METHOD AND DEVICE FOR NOISE REDUCTION OF A DIGITAL VOICE SIGNAL - Google Patents

METHOD AND DEVICE FOR NOISE REDUCTION OF A DIGITAL VOICE SIGNAL

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
German (de)
Other versions
DE69804329T2 (en
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/en
Application granted granted Critical
Publication of DE69804329T2 publication Critical patent/DE69804329T2/en
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 METHOD AND DEVICE FOR NOISE REDUCTION OF A DIGITAL VOICE SIGNAL Expired - Fee Related DE69804329T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9711642A FR2768546B1 (en) 1997-09-18 1997-09-18 METHOD FOR NOISE REDUCTION OF A DIGITAL SPOKEN SIGNAL
PCT/FR1998/001981 WO1999014739A1 (en) 1997-09-18 1998-09-16 Method for suppressing noise in a digital speech signal

Publications (2)

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

Family

ID=9511229

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69804329T Expired - Fee Related DE69804329T2 (en) 1997-09-18 1998-09-16 METHOD AND DEVICE FOR NOISE REDUCTION OF A DIGITAL VOICE SIGNAL

Country Status (10)

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

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 (en) * 2004-09-16 2011-01-10 France Telecom TREATMENT PROCESS OF NOISE ACOUSTIC SIGNS AND DEVICE FOR THE PERFORMANCE OF THE PROCEDURE.
FR2899424A1 (en) 2006-03-28 2007-10-05 France Telecom Audio channel multi-channel/binaural e.g. transaural, three-dimensional spatialization method for e.g. ear phone, involves breaking down filter into delay and amplitude values for samples, and extracting filter`s spectral module on samples
KR101390433B1 (en) * 2009-03-31 2014-04-29 후아웨이 테크놀러지 컴퍼니 리미티드 Signal de-noising method, signal de-noising apparatus, and audio decoding system
CN101859569B (en) * 2010-05-27 2012-08-15 上海朗谷电子科技有限公司 Method for lowering noise of digital audio-frequency signal
CN104251934B (en) * 2013-06-26 2018-08-14 华为技术有限公司 Harmonic analysis method and device and the method and apparatus for determining clutter between harmonic wave
CN113393849B (en) * 2019-01-29 2022-07-12 桂林理工大学南宁分校 Intercom system that bimodulus piece data was handled
CN109817241B (en) * 2019-02-18 2021-06-01 腾讯音乐娱乐科技（深圳）有限公司 Audio processing method, device and storage medium
CN116580712B (en) * 2023-07-14 2023-09-15 深圳攀高医疗电子有限公司 Voice processing method, voice processing system and waist therapeutic instrument

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
EP0459362B1 (en) * 1990-05-28 1997-01-08 Matsushita Electric Industrial Co., Ltd. Voice signal processor
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
JP2001516902A (en) 2001-10-02
BR9812655A (en) 2000-08-22
WO1999014739A1 (en) 1999-03-25
EP1016073A1 (en) 2000-07-05
EP1016073B1 (en) 2002-03-20
ES2174484T3 (en) 2002-11-01
AU9169098A (en) 1999-04-05
FR2768546B1 (en) 2000-07-21
CN1276896A (en) 2000-12-13
FR2768546A1 (en) 1999-03-19
DE69804329T2 (en) 2002-11-14
CA2304015A1 (en) 1999-03-25

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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