ATE470219T1 - Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms - Google Patents

Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms

Info

Publication number
ATE470219T1
ATE470219T1 AT07787481T AT07787481T ATE470219T1 AT E470219 T1 ATE470219 T1 AT E470219T1 AT 07787481 T AT07787481 T AT 07787481T AT 07787481 T AT07787481 T AT 07787481T AT E470219 T1 ATE470219 T1 AT E470219T1
Authority
AT
Austria
Prior art keywords
data stream
lossy
lossless
source signal
coding
Prior art date
Application number
AT07787481T
Other languages
English (en)
Inventor
Peter Jax
Florian Keiler
Oliver Wuebbolt
Sven Kordon
Johannes Boehm
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Application granted granted Critical
Publication of ATE470219T1 publication Critical patent/ATE470219T1/de

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Probability & Statistics with Applications (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT07787481T 2006-07-24 2007-07-12 Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms ATE470219T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06117720A EP1883067A1 (de) 2006-07-24 2006-07-24 Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellsignals, unter Benutzung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms.
PCT/EP2007/057210 WO2008012211A1 (en) 2006-07-24 2007-07-12 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream

Publications (1)

Publication Number Publication Date
ATE470219T1 true ATE470219T1 (de) 2010-06-15

Family

ID=37203831

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07787481T ATE470219T1 (de) 2006-07-24 2007-07-12 Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms

Country Status (9)

Country Link
US (1) US20090306993A1 (de)
EP (2) EP1883067A1 (de)
JP (1) JP5123303B2 (de)
KR (1) KR101397736B1 (de)
CN (1) CN101490748B (de)
AT (1) ATE470219T1 (de)
BR (1) BRPI0714835A2 (de)
DE (1) DE602007006957D1 (de)
WO (1) WO2008012211A1 (de)

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WO2011086067A1 (en) 2010-01-12 2011-07-21 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values
CN101964188B (zh) 2010-04-09 2012-09-05 华为技术有限公司 语音信号编码、解码方法、装置及编解码系统
FR2961937A1 (fr) * 2010-06-29 2011-12-30 France Telecom Codage/decodage predictif lineaire adaptatif
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CN110234012B (zh) * 2012-01-17 2021-12-31 华为技术有限公司 用于高性能视频编码中的无损编码模式的环内滤波的装置
GB201210373D0 (en) 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension
US9711150B2 (en) 2012-08-22 2017-07-18 Electronics And Telecommunications Research Institute Audio encoding apparatus and method, and audio decoding apparatus and method
CN109346101B (zh) * 2013-01-29 2024-05-24 弗劳恩霍夫应用研究促进协会 产生频率增强音频信号的译码器和产生编码信号的编码器
TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
KR101729930B1 (ko) 2013-02-14 2017-04-25 돌비 레버러토리즈 라이쎈싱 코오포레이션 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
JP6302071B2 (ja) 2013-09-13 2018-03-28 サムスン エレクトロニクス カンパニー リミテッド 無損失符号化方法及び無損失復号化方法
WO2015037961A1 (ko) 2013-09-13 2015-03-19 삼성전자 주식회사 에너지 무손실 부호화방법 및 장치, 신호 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 신호 복호화방법 및 장치
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Also Published As

Publication number Publication date
KR101397736B1 (ko) 2014-05-20
WO2008012211A1 (en) 2008-01-31
JP5123303B2 (ja) 2013-01-23
US20090306993A1 (en) 2009-12-10
CN101490748B (zh) 2011-12-07
EP2044589B1 (de) 2010-06-02
CN101490748A (zh) 2009-07-22
DE602007006957D1 (de) 2010-07-15
BRPI0714835A2 (pt) 2013-03-12
KR20090043498A (ko) 2009-05-06
EP1883067A1 (de) 2008-01-30
JP2009544993A (ja) 2009-12-17
EP2044589A1 (de) 2009-04-08

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