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FR2911020B1 - Procede et dispositif de codage audio - Google Patents

Procede et dispositif de codage audio

Info

Publication number
FR2911020B1
FR2911020B1 FR0708067A FR0708067A FR2911020B1 FR 2911020 B1 FR2911020 B1 FR 2911020B1 FR 0708067 A FR0708067 A FR 0708067A FR 0708067 A FR0708067 A FR 0708067A FR 2911020 B1 FR2911020 B1 FR 2911020B1
Authority
FR
France
Prior art keywords
coding method
audio coding
audio
coding
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.)
Active
Application number
FR0708067A
Other languages
English (en)
Other versions
FR2911020A1 (fr
Inventor
Alexandre Delattre
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.)
Nintendo European Research and Development SAS
Original Assignee
ACTIMAGINE SOC PAR ACTIONS SIM
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
Priority claimed from FR0611481A external-priority patent/FR2911031B1/fr
Application filed by ACTIMAGINE SOC PAR ACTIONS SIM filed Critical ACTIMAGINE SOC PAR ACTIONS SIM
Priority to FR0708067A priority Critical patent/FR2911020B1/fr
Priority to PCT/EP2007/011442 priority patent/WO2008080609A1/fr
Priority to EP07866272A priority patent/EP2126905B1/fr
Priority to JP2009543395A priority patent/JP5491194B2/ja
Priority to US12/521,076 priority patent/US8340305B2/en
Publication of FR2911020A1 publication Critical patent/FR2911020A1/fr
Application granted granted Critical
Publication of FR2911020B1 publication Critical patent/FR2911020B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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)
FR0708067A 2006-12-28 2007-11-16 Procede et dispositif de codage audio Active FR2911020B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0708067A FR2911020B1 (fr) 2006-12-28 2007-11-16 Procede et dispositif de codage audio
PCT/EP2007/011442 WO2008080609A1 (fr) 2006-12-28 2007-12-28 Procede et dispositif de codage audio
EP07866272A EP2126905B1 (fr) 2006-12-28 2007-12-28 Procédés et dispositifs d'encodage et décodage de signaux audio, signal audio encodé
JP2009543395A JP5491194B2 (ja) 2006-12-28 2007-12-28 音声コード化の方法および装置
US12/521,076 US8340305B2 (en) 2006-12-28 2007-12-28 Audio encoding method and device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0611481A FR2911031B1 (fr) 2006-12-28 2006-12-28 Procede et dispositif de codage audio
FR0708067A FR2911020B1 (fr) 2006-12-28 2007-11-16 Procede et dispositif de codage audio

Publications (2)

Publication Number Publication Date
FR2911020A1 FR2911020A1 (fr) 2008-07-04
FR2911020B1 true FR2911020B1 (fr) 2009-05-01

Family

ID=39083245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0708067A Active FR2911020B1 (fr) 2006-12-28 2007-11-16 Procede et dispositif de codage audio

Country Status (5)

Country Link
US (1) US8340305B2 (fr)
EP (1) EP2126905B1 (fr)
JP (1) JP5491194B2 (fr)
FR (1) FR2911020B1 (fr)
WO (1) WO2008080609A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2911031B1 (fr) * 2006-12-28 2009-04-10 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
US8666752B2 (en) 2009-03-18 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel signal
CN112954581B (zh) * 2021-02-04 2022-07-01 广州橙行智动汽车科技有限公司 一种音频播放方法、系统及装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62234435A (ja) * 1986-04-04 1987-10-14 Kokusai Denshin Denwa Co Ltd <Kdd> 符号化音声の復号化方式
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US6226616B1 (en) * 1999-06-21 2001-05-01 Digital Theater Systems, Inc. Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
US6674862B1 (en) * 1999-12-03 2004-01-06 Gilbert Magilen Method and apparatus for testing hearing and fitting hearing aids
US7742927B2 (en) * 2000-04-18 2010-06-22 France Telecom Spectral enhancing method and device
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
JP3957589B2 (ja) * 2001-08-23 2007-08-15 松下電器産業株式会社 音声処理装置
EP1621047B1 (fr) * 2003-04-17 2007-04-11 Koninklijke Philips Electronics N.V. Creation de signaux audio
US7725324B2 (en) * 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
CA2457988A1 (fr) * 2004-02-18 2005-08-18 Voiceage Corporation Methodes et dispositifs pour la compression audio basee sur le codage acelp/tcx et sur la quantification vectorielle a taux d'echantillonnage multiples
FI119533B (fi) * 2004-04-15 2008-12-15 Nokia Corp Audiosignaalien koodaus
US8019087B2 (en) * 2004-08-31 2011-09-13 Panasonic Corporation Stereo signal generating apparatus and stereo signal generating method
US7769584B2 (en) * 2004-11-05 2010-08-03 Panasonic Corporation Encoder, decoder, encoding method, and decoding method
KR20070084002A (ko) * 2004-11-05 2007-08-24 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 복호화 장치 및 스케일러블 부호화 장치
JP5046652B2 (ja) * 2004-12-27 2012-10-10 パナソニック株式会社 音声符号化装置および音声符号化方法
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
SG163555A1 (en) * 2005-04-01 2010-08-30 Qualcomm Inc Systems, methods, and apparatus for highband burst suppression
KR100818268B1 (ko) * 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
US7761289B2 (en) * 2005-10-24 2010-07-20 Lg Electronics Inc. Removing time delays in signal paths
DE602006021347D1 (de) * 2006-03-28 2011-05-26 Fraunhofer Ges Forschung Verbessertes verfahren zur signalformung bei der mehrkanal-audiorekonstruktion

Also Published As

Publication number Publication date
FR2911020A1 (fr) 2008-07-04
US20100046760A1 (en) 2010-02-25
EP2126905A1 (fr) 2009-12-02
JP5491194B2 (ja) 2014-05-14
WO2008080609A1 (fr) 2008-07-10
JP2010522346A (ja) 2010-07-01
US8340305B2 (en) 2012-12-25
EP2126905B1 (fr) 2012-05-30

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