DE602007007125D1 - Tonkodierverfahren und vorrichtung - Google Patents

Tonkodierverfahren und vorrichtung

Info

Publication number
DE602007007125D1
DE602007007125D1 DE602007007125T DE602007007125T DE602007007125D1 DE 602007007125 D1 DE602007007125 D1 DE 602007007125D1 DE 602007007125 T DE602007007125 T DE 602007007125T DE 602007007125 T DE602007007125 T DE 602007007125T DE 602007007125 D1 DE602007007125 D1 DE 602007007125D1
Authority
DE
Germany
Prior art keywords
signal
frequency
limited
original
filter
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
DE602007007125T
Other languages
English (en)
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
Mobiclip 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 Mobiclip SAS filed Critical Mobiclip SAS
Publication of DE602007007125D1 publication Critical patent/DE602007007125D1/de
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
    • G10L19/04—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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE602007007125T 2006-12-28 2007-12-27 Tonkodierverfahren und vorrichtung Active DE602007007125D1 (de)

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
PCT/EP2007/011433 WO2008080605A1 (fr) 2006-12-28 2007-12-27 Procede et dispositif de codage audio

Publications (1)

Publication Number Publication Date
DE602007007125D1 true DE602007007125D1 (de) 2010-07-22

Family

ID=38055366

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007007125T Active DE602007007125D1 (de) 2006-12-28 2007-12-27 Tonkodierverfahren und vorrichtung

Country Status (7)

Country Link
US (1) US8595017B2 (de)
EP (1) EP2126904B1 (de)
JP (1) JP5491193B2 (de)
AT (1) ATE470933T1 (de)
DE (1) DE602007007125D1 (de)
FR (1) FR2911031B1 (de)
WO (1) WO2008080605A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013125346A (ja) * 2011-12-13 2013-06-24 Olympus Imaging Corp サーバ装置及び処理方法
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 (28)

* Cited by examiner, † Cited by third party
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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
DE68927483T2 (de) * 1988-02-29 1997-04-03 Sony Corp Verfahren und Einrichtung zur Digitalsignalverarbeitung
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
EP0843933B1 (de) * 1996-05-08 2004-10-27 Koninklijke Philips Electronics N.V. Übertragung eines digitalen informationssignals mit einer ersten spezifischen abtastrate
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
EP1186100A2 (de) * 2000-01-07 2002-03-13 Koninklijke Philips Electronics N.V. Koeffizientengenerator für einen prädiktionsfilter in einer kodiervorrichtung
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
US7711123B2 (en) * 2001-04-13 2010-05-04 Dolby Laboratories Licensing Corporation Segmenting audio signals into auditory events
JP3957589B2 (ja) * 2001-08-23 2007-08-15 松下電器産業株式会社 音声処理装置
US7437299B2 (en) * 2002-04-10 2008-10-14 Koninklijke Philips Electronics N.V. Coding of stereo signals
CN100370517C (zh) * 2002-07-16 2008-02-20 皇家飞利浦电子股份有限公司 一种对编码信号进行解码的方法
WO2004093494A1 (en) 2003-04-17 2004-10-28 Koninklijke Philips Electronics N.V. Audio signal generation
US7725324B2 (en) 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
CA2457988A1 (en) 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
FI119533B (fi) 2004-04-15 2008-12-15 Nokia Corp Audiosignaalien koodaus
KR20070056081A (ko) 2004-08-31 2007-05-31 마츠시타 덴끼 산교 가부시키가이샤 스테레오 신호 생성 장치 및 스테레오 신호 생성 방법
ES2476992T3 (es) * 2004-11-05 2014-07-15 Panasonic Corporation Codificador, descodificador, método de codificación y método de descodificaci�n
RU2404506C2 (ru) * 2004-11-05 2010-11-20 Панасоник Корпорэйшн Устройство масштабируемого декодирования и устройство масштабируемого кодирования
EP1818911B1 (de) 2004-12-27 2012-02-08 Panasonic Corporation Tonkodierungsvorrichtung und tonkodierungsmethode
DE102005000830A1 (de) * 2005-01-05 2006-07-13 Siemens Ag Verfahren zur Bandbreitenerweiterung
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
BRPI0607646B1 (pt) * 2005-04-01 2021-05-25 Qualcomm Incorporated Método e equipamento para encodificação por divisão de banda de sinais de fala
KR100818268B1 (ko) 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
US7653533B2 (en) 2005-10-24 2010-01-26 Lg Electronics Inc. Removing time delays in signal paths
EP1999997B1 (de) 2006-03-28 2011-04-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verbessertes verfahren zur signalformung bei der mehrkanal-audiorekonstruktion
FR2911020B1 (fr) 2006-12-28 2009-05-01 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio

Also Published As

Publication number Publication date
ATE470933T1 (de) 2010-06-15
JP2010515090A (ja) 2010-05-06
EP2126904B1 (de) 2010-06-09
FR2911031B1 (fr) 2009-04-10
US20100094640A1 (en) 2010-04-15
JP5491193B2 (ja) 2014-05-14
WO2008080605A1 (fr) 2008-07-10
FR2911031A1 (fr) 2008-07-04
US8595017B2 (en) 2013-11-26
EP2126904A1 (de) 2009-12-02

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