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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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
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
EP06117720.0 2006-07-24
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)

Publication Number Publication Date
JP2009544993A JP2009544993A (ja) 2009-12-17
JP2009544993A5 JP2009544993A5 (https=) 2010-09-02
JP5123303B2 true JP5123303B2 (ja) 2013-01-23

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JP2009521205A Expired - Fee Related JP5123303B2 (ja) 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

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

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BR122021008581B1 (pt) 2010-01-12 2022-08-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de áudio, decodificador de áudio, método de codificação e informação de áudio, e método de decodificação de uma informação de áudio que utiliza uma tabela hash que descreve tanto valores de estado significativos como limites de intervalo
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
CN107529059B (zh) * 2011-04-22 2020-07-21 杜比国际公司 有损压缩编码数据方法和设备及相应重构数据方法和设备
GB2490879B (en) 2011-05-12 2018-12-26 Qualcomm Technologies Int Ltd Hybrid coded audio data streaming apparatus and method
CN104350752B (zh) * 2012-01-17 2019-07-12 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
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EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
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
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
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
EP4134951B1 (en) 2013-09-13 2024-07-24 Samsung Electronics Co., Ltd. Energy lossless coding apparatus
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Also Published As

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

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