ATE403217T1 - Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren - Google Patents

Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren

Info

Publication number
ATE403217T1
ATE403217T1 AT05734692T AT05734692T ATE403217T1 AT E403217 T1 ATE403217 T1 AT E403217T1 AT 05734692 T AT05734692 T AT 05734692T AT 05734692 T AT05734692 T AT 05734692T AT E403217 T1 ATE403217 T1 AT E403217T1
Authority
AT
Austria
Prior art keywords
layer
delay amount
input signal
delay
encoding
Prior art date
Application number
AT05734692T
Other languages
English (en)
Inventor
Masahiro Oshikiri
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
Application granted granted Critical
Publication of ATE403217T1 publication Critical patent/ATE403217T1/de

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)
AT05734692T 2004-04-28 2005-04-22 Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren ATE403217T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004134519 2004-04-28

Publications (1)

Publication Number Publication Date
ATE403217T1 true ATE403217T1 (de) 2008-08-15

Family

ID=35241898

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05734692T ATE403217T1 (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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US8626503B2 (en) * 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
KR101492826B1 (ko) * 2005-07-14 2015-02-13 코닌클리케 필립스 엔.브이. 다수의 출력 오디오 채널들을 생성하기 위한 장치 및 방법과, 그 장치를 포함하는 수신기 및 오디오 재생 디바이스, 데이터 스트림 수신 방법, 및 컴퓨터 판독가능 기록매체
WO2008120438A1 (ja) * 2007-03-02 2008-10-09 Panasonic Corporation 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
PE20150025A1 (es) * 2012-05-21 2015-02-09 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
US20250280239A1 (en) * 2024-03-01 2025-09-04 Disney Enterprises, Inc. Automatic detection of alignment between two audio signals

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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
US5388209A (en) * 1991-08-02 1995-02-07 Sony Corporation Apparatus for high-speed recording compressed digital data with increased compression
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
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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
CN1947173A (zh) 2007-04-11
DE602005008574D1 (de) 2008-09-11
EP1736965A1 (de) 2006-12-27
EP1736965B1 (de) 2008-07-30
JPWO2005106850A1 (ja) 2007-12-13
US20070233467A1 (en) 2007-10-04
BRPI0510513A (pt) 2007-10-30
WO2005106850A1 (ja) 2005-11-10
US7949518B2 (en) 2011-05-24
JP4679513B2 (ja) 2011-04-27
KR20070007851A (ko) 2007-01-16
EP1736965A4 (de) 2007-07-11
CN1947173B (zh) 2011-02-09

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