DE602005008574D1 - Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren - Google Patents

Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren

Info

Publication number
DE602005008574D1
DE602005008574D1 DE602005008574T DE602005008574T DE602005008574D1 DE 602005008574 D1 DE602005008574 D1 DE 602005008574D1 DE 602005008574 T DE602005008574 T DE 602005008574T DE 602005008574 T DE602005008574 T DE 602005008574T DE 602005008574 D1 DE602005008574 D1 DE 602005008574D1
Authority
DE
Germany
Prior art keywords
layer
delay amount
input signal
delay
encoding
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
DE602005008574T
Other languages
English (en)
Inventor
Masahiro Oshikiri
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 DE602005008574D1 publication Critical patent/DE602005008574D1/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
    • G10L19/16—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Communication Control (AREA)
DE602005008574T 2004-04-28 2005-04-22 Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren Active DE602005008574D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004134519 2004-04-28
PCT/JP2005/007710 WO2005106850A1 (ja) 2004-04-28 2005-04-22 階層符号化装置および階層符号化方法

Publications (1)

Publication Number Publication Date
DE602005008574D1 true DE602005008574D1 (de) 2008-09-11

Family

ID=35241898

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005008574T Active DE602005008574D1 (de) 2004-04-28 2005-04-22 Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren

Country Status (9)

Country Link
US (1) US7949518B2 (de)
EP (1) EP1736965B1 (de)
JP (1) JP4679513B2 (de)
KR (1) KR20070007851A (de)
CN (1) CN1947173B (de)
AT (1) ATE403217T1 (de)
BR (1) BRPI0510513A (de)
DE (1) DE602005008574D1 (de)
WO (1) WO2005106850A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE433182T1 (de) * 2005-07-14 2009-06-15 Koninkl Philips Electronics Nv Audiokodierung und audiodekodierung
US8626503B2 (en) * 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
JP5377287B2 (ja) * 2007-03-02 2013-12-25 パナソニック株式会社 ポストフィルタ、復号装置およびポストフィルタ処理方法
CN100524462C (zh) * 2007-09-15 2009-08-05 华为技术有限公司 对高带信号进行帧错误隐藏的方法及装置
EP2237267A4 (de) * 2007-12-21 2012-01-18 Panasonic Corp Stereosignalumsetzer, stereosignalwandler und verfahren dafür
CN101771417B (zh) * 2008-12-30 2012-04-18 华为技术有限公司 信号编码、解码方法及装置、系统
EP2306456A1 (de) * 2009-09-04 2011-04-06 Thomson Licensing Verfahren zur Decodierung eines Audiosignals mit einer Basisschicht und einer Erweiterungsschicht
CN102081927B (zh) * 2009-11-27 2012-07-18 中兴通讯股份有限公司 一种可分层音频编码、解码方法及系统
AR091098A1 (es) * 2012-05-21 2015-01-14 Genentech Inc ANTICUERPOS E INMUNOCONJUGADOS CONTRA Ly6E Y METODOS DE USO
EP2894860A1 (de) * 2014-01-14 2015-07-15 Thomson Licensing Verfahren und Vorrichtung zum Multiplexen von geschichteten kodierten Inhalten
CN110336644B (zh) * 2019-07-15 2020-12-15 杭州泽铭睿股权投资有限公司 一种高维调制下的分层编码方法

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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
US5054075A (en) * 1989-09-05 1991-10-01 Motorola, Inc. Subband decoding method and apparatus
GB2258372B (en) * 1991-08-02 1995-05-31 Sony Corp Apparatus for and methods of recording and/or reproducing digital data
DE4243831A1 (de) * 1992-12-23 1994-06-30 Daimler Benz Ag Verfahren zur Laufzeitschätzung an gestörten Sprachkanälen
JPH0846517A (ja) 1994-07-28 1996-02-16 Sony Corp 高能率符号化及び復号化システム
JP3139602B2 (ja) 1995-03-24 2001-03-05 日本電信電話株式会社 音響信号符号化方法及び復号化方法
JP3576660B2 (ja) * 1995-09-29 2004-10-13 株式会社東芝 画像符号化装置および画像復号化装置
US6031575A (en) * 1996-03-22 2000-02-29 Sony Corporation Method and apparatus for encoding an image signal, method and apparatus for decoding an image signal, and recording medium
FI964975A (fi) * 1996-12-12 1998-06-13 Nokia Mobile Phones Ltd Menetelmä ja laite puheen koodaamiseksi
JP2001142497A (ja) 1999-11-11 2001-05-25 Sony Corp ディジタル信号処理装置および処理方法、ディジタル信号記録装置および記録方法、並びに記録媒体
JP2001142496A (ja) 1999-11-11 2001-05-25 Sony Corp ディジタル信号処理装置および処理方法、ディジタル信号記録装置および記録方法、並びに記録媒体
US6868377B1 (en) * 1999-11-23 2005-03-15 Creative Technology Ltd. Multiband phase-vocoder for the modification of audio or speech signals
US6757648B2 (en) * 2001-06-28 2004-06-29 Microsoft Corporation Techniques for quantization of spectral data in transcoding
GB0120450D0 (en) * 2001-08-22 2001-10-17 Mitel Knowledge Corp Robust talker localization in reverberant environment
JP2003280694A (ja) 2002-03-26 2003-10-02 Nec Corp 階層ロスレス符号化復号方法、階層ロスレス符号化方法、階層ロスレス復号方法及びその装置並びにプログラム
JP2003323199A (ja) * 2002-04-26 2003-11-14 Matsushita Electric Ind Co Ltd 符号化装置、復号化装置及び符号化方法、復号化方法
AU2003234763A1 (en) 2002-04-26 2003-11-10 Matsushita Electric Industrial Co., Ltd. Coding device, decoding device, coding method, and decoding method
JP3881946B2 (ja) * 2002-09-12 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
JP3881943B2 (ja) 2002-09-06 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
US7356748B2 (en) * 2003-12-19 2008-04-08 Telefonaktiebolaget Lm Ericsson (Publ) Partial spectral loss concealment in transform codecs

Also Published As

Publication number Publication date
WO2005106850A1 (ja) 2005-11-10
BRPI0510513A (pt) 2007-10-30
JPWO2005106850A1 (ja) 2007-12-13
CN1947173A (zh) 2007-04-11
KR20070007851A (ko) 2007-01-16
US20070233467A1 (en) 2007-10-04
US7949518B2 (en) 2011-05-24
EP1736965B1 (de) 2008-07-30
EP1736965A1 (de) 2006-12-27
CN1947173B (zh) 2011-02-09
ATE403217T1 (de) 2008-08-15
EP1736965A4 (de) 2007-07-11
JP4679513B2 (ja) 2011-04-27

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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