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)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (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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DE102006051673A1 (de) * 2006-11-02 2008-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale
JP4977157B2 (ja) * 2009-03-06 2012-07-18 株式会社エヌ・ティ・ティ・ドコモ 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム
MX2012004569A (es) * 2009-10-20 2012-06-08 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio, metodo para codificar informacion de audio, metodo para decodificar informacion de audio y programa de computacion que usa la deteccion de un grupo de valores espectrales previamente decodificados.
WO2011086066A1 (en) 2010-01-12 2011-07-21 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a modification of a number representation of a numeric previous context value
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
KR102139199B1 (ko) * 2011-04-22 2020-07-29 돌비 인터네셔널 에이비 데이터를 손실 압축-인코딩하기 위한 방법 및 장치와 데이터를 재구성하기 위한 대응하는 방법 및 장치
GB2490879B (en) 2011-05-12 2018-12-26 Qualcomm Technologies Int Ltd Hybrid coded audio data streaming apparatus and method
CN110225354A (zh) * 2012-01-17 2019-09-10 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
KR102204136B1 (ko) 2012-08-22 2021-01-18 한국전자통신연구원 오디오 부호화 장치 및 방법, 오디오 복호화 장치 및 방법
SG11201505925SA (en) * 2013-01-29 2015-09-29 Fraunhofer Ges Forschung Decoder for generating a frequency enhanced audio signal, method of decoding, encoder for generating an encoded signal and method of encoding using compact selection side information
BR112015018522B1 (pt) 2013-02-14 2021-12-14 Dolby Laboratories Licensing Corporation Método, aparelho e meio não transitório que tem um método armazenado no mesmo para controlar a coerência entre canais de sinais de áudio com upmix.
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
WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
KR102270106B1 (ko) 2013-09-13 2021-06-28 삼성전자주식회사 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
CN101490748B (zh) 2011-12-07
JP5123303B2 (ja) 2013-01-23
EP2044589A1 (de) 2009-04-08
KR20090043498A (ko) 2009-05-06
JP2009544993A (ja) 2009-12-17
DE602007006957D1 (de) 2010-07-15
WO2008012211A1 (en) 2008-01-31
EP1883067A1 (de) 2008-01-30
CN101490748A (zh) 2009-07-22
BRPI0714835A2 (pt) 2013-03-12
EP2044589B1 (de) 2010-06-02
US20090306993A1 (en) 2009-12-10

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