JP5123303B2 - 不可逆的符号化データ・ストリームと可逆的伸張データ・ストリームを用いて原信号を可逆的に符号化する方法及び装置 - Google Patents

不可逆的符号化データ・ストリームと可逆的伸張データ・ストリームを用いて原信号を可逆的に符号化する方法及び装置 Download PDF

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JP5123303B2
JP5123303B2 JP2009521205A JP2009521205A JP5123303B2 JP 5123303 B2 JP5123303 B2 JP 5123303B2 JP 2009521205 A JP2009521205 A JP 2009521205A JP 2009521205 A JP2009521205 A JP 2009521205A JP 5123303 B2 JP5123303 B2 JP 5123303B2
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data stream
signal
reversibly
quantizer
output signal
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JP2009544993A (ja
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ヤクス，ペーター
ケイラー，フロリアン
ウーボルト，オリヴァー
コルドン，スヴェン
ベーム，ヨーハネス
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Thomson Licensing SAS
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    • 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

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  • 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)
  • 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)
JP2009521205A 2006-07-24 2007-07-12 不可逆的符号化データ・ストリームと可逆的伸張データ・ストリームを用いて原信号を可逆的に符号化する方法及び装置 Expired - Fee Related JP5123303B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06117720.0 2006-07-24
EP06117720A EP1883067A1 (en) 2006-07-24 2006-07-24 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
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 (3)

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JP2009544993A JP2009544993A (ja) 2009-12-17
JP2009544993A5 JP2009544993A5 (enExample) 2010-09-02
JP5123303B2 true JP5123303B2 (ja) 2013-01-23

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

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PL2491552T3 (pl) 2009-10-20 2015-06-30 Fraunhofer Ges Forschung Koder audio, dekoder audio, sposób kodowania informacji audio, sposób dekodowania informacji audio i program komputerowy z zastosowaniem wykrywania grupy uprzednio zdekodowanych wartości widmowych
ES2532203T3 (es) 2010-01-12 2015-03-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio, decodificador de audio, método para codificar y decodificar una información de audio y programa de computación que obtiene un valor de contexto de sub-región basado en una norma de valores espectrales previamente decodificados
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
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WO2013109773A1 (en) * 2012-01-17 2013-07-25 Futurewei Technologies, Inc. In-loop filtering for lossless coding mode in high efficiency video coding
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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
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
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
CN111179946B (zh) 2013-09-13 2023-10-13 三星电子株式会社 无损编码方法和无损解码方法
US10468033B2 (en) 2013-09-13 2019-11-05 Samsung Electronics Co., Ltd. Energy lossless coding method and apparatus, signal coding method and apparatus, energy lossless decoding method and apparatus, and signal decoding method and apparatus
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Also Published As

Publication number Publication date
CN101490748B (zh) 2011-12-07
JP2009544993A (ja) 2009-12-17
KR20090043498A (ko) 2009-05-06
CN101490748A (zh) 2009-07-22
WO2008012211A1 (en) 2008-01-31
EP2044589B1 (en) 2010-06-02
EP2044589A1 (en) 2009-04-08
EP1883067A1 (en) 2008-01-30
ATE470219T1 (de) 2010-06-15
BRPI0714835A2 (pt) 2013-03-12
KR101397736B1 (ko) 2014-05-20
US20090306993A1 (en) 2009-12-10
DE602007006957D1 (de) 2010-07-15

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