DE602005009374D1 - Skalierbare codierungseinrichtung und skalierbares codierungsverfahren - Google Patents

Skalierbare codierungseinrichtung und skalierbares codierungsverfahren

Info

Publication number
DE602005009374D1
DE602005009374D1 DE602005009374T DE602005009374T DE602005009374D1 DE 602005009374 D1 DE602005009374 D1 DE 602005009374D1 DE 602005009374 T DE602005009374 T DE 602005009374T DE 602005009374 T DE602005009374 T DE 602005009374T DE 602005009374 D1 DE602005009374 D1 DE 602005009374D1
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DE
Germany
Prior art keywords
order
autocorrelation coefficients
lag
autocorrelation
unit
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
DE602005009374T
Other languages
English (en)
Inventor
Hiroyuki Ehara
Toshiyuki Morii
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE602005009374D1 publication Critical patent/DE602005009374D1/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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] vocoders
    • 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)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE602005009374T 2004-09-06 2005-09-02 Skalierbare codierungseinrichtung und skalierbares codierungsverfahren Active DE602005009374D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004258924 2004-09-06
PCT/JP2005/016099 WO2006028010A1 (ja) 2004-09-06 2005-09-02 スケーラブル符号化装置およびスケーラブル符号化方法

Publications (1)

Publication Number Publication Date
DE602005009374D1 true DE602005009374D1 (de) 2008-10-09

Family

ID=36036295

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005009374T Active DE602005009374D1 (de) 2004-09-06 2005-09-02 Skalierbare codierungseinrichtung und skalierbares codierungsverfahren

Country Status (10)

Country Link
US (1) US8024181B2 (de)
EP (1) EP1785985B1 (de)
JP (1) JP4937753B2 (de)
KR (1) KR20070051878A (de)
CN (1) CN101023472B (de)
AT (1) ATE406652T1 (de)
BR (1) BRPI0514940A (de)
DE (1) DE602005009374D1 (de)
RU (1) RU2007108288A (de)
WO (1) WO2006028010A1 (de)

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EP1887567B1 (de) * 2005-05-31 2010-07-14 Panasonic Corporation Einrichtung und verfahren zur skalierbaren codierung
JP5100380B2 (ja) * 2005-06-29 2012-12-19 パナソニック株式会社 スケーラブル復号装置および消失データ補間方法
FR2888699A1 (fr) * 2005-07-13 2007-01-19 France Telecom Dispositif de codage/decodage hierachique
CN101273403B (zh) * 2005-10-14 2012-01-18 松下电器产业株式会社 可扩展编码装置、可扩展解码装置以及其方法
JP4969454B2 (ja) * 2005-11-30 2012-07-04 パナソニック株式会社 スケーラブル符号化装置およびスケーラブル符号化方法
US8352254B2 (en) * 2005-12-09 2013-01-08 Panasonic Corporation Fixed code book search device and fixed code book search method
JP5173795B2 (ja) * 2006-03-17 2013-04-03 パナソニック株式会社 スケーラブル符号化装置およびスケーラブル符号化方法
WO2008001866A1 (fr) * 2006-06-29 2008-01-03 Panasonic Corporation dispositif de codage vocal et procédé de codage vocal
EP2116996A4 (de) * 2007-03-02 2011-09-07 Panasonic Corp Kodiervorrichtung und kodierverfahren
KR100921867B1 (ko) * 2007-10-17 2009-10-13 광주과학기술원 광대역 오디오 신호 부호화 복호화 장치 및 그 방법
CN101620854B (zh) * 2008-06-30 2012-04-04 华为技术有限公司 频带扩展的方法、系统和设备
EP3937167B1 (de) * 2008-07-11 2023-05-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und audiodecodierer
CN101609678B (zh) 2008-12-30 2011-07-27 华为技术有限公司 信号压缩方法及其压缩装置
WO2012053149A1 (ja) * 2010-10-22 2012-04-26 パナソニック株式会社 音声分析装置、量子化装置、逆量子化装置、及びこれらの方法
CN102783034B (zh) * 2011-02-01 2014-12-17 华为技术有限公司 用于提供信号处理系数的方法和设备
EP3279895B1 (de) * 2011-11-02 2019-07-10 Telefonaktiebolaget LM Ericsson (publ) Toncodierung auf basis einer effizienten darstellung von auto-regressiven koeffizienten
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EP2750130B1 (de) * 2012-12-31 2015-11-25 Nxp B.V. Signalverarbeitung für einen Frequenzmodulationsempfänger
WO2014138539A1 (en) * 2013-03-08 2014-09-12 Motorola Mobility Llc Conversion of linear predictive coefficients using auto-regressive extension of correlation coefficients in sub-band audio codecs
EP3511935B1 (de) 2014-04-17 2020-10-07 VoiceAge EVS LLC Verfahren, vorrichtung und nichttransitorischer computerlesbarer speicher zur linearen prädiktiven kodierung und dekodierung von tonsignalen beim übergang zwischen rahmen mit unterschiedlichen abtastraten
ES2709329T3 (es) * 2014-04-25 2019-04-16 Ntt Docomo Inc Dispositivo de conversión de coeficiente de predicción lineal y procedimiento de conversión de coeficiente de predicción lineal
KR20180026528A (ko) 2015-07-06 2018-03-12 노키아 테크놀로지스 오와이 오디오 신호 디코더를 위한 비트 에러 검출기
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EP1758099A1 (de) * 2004-04-30 2007-02-28 Matsushita Electric Industrial Co., Ltd. Skalierbarer decodierer und erweitertes verfahren zum verbergen des schichtverschwindens

Also Published As

Publication number Publication date
CN101023472B (zh) 2010-06-23
BRPI0514940A (pt) 2008-07-01
US8024181B2 (en) 2011-09-20
EP1785985A1 (de) 2007-05-16
US20070271092A1 (en) 2007-11-22
ATE406652T1 (de) 2008-09-15
WO2006028010A1 (ja) 2006-03-16
KR20070051878A (ko) 2007-05-18
JP4937753B2 (ja) 2012-05-23
EP1785985A4 (de) 2007-11-07
RU2007108288A (ru) 2008-09-10
EP1785985B1 (de) 2008-08-27
JPWO2006028010A1 (ja) 2008-05-08
CN101023472A (zh) 2007-08-22

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Legal Events

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8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8364 No opposition during term of opposition