CN102460975B - 基于上下文的算术编码设备和方法以及基于上下文的算术解码设备和方法 - Google Patents

基于上下文的算术编码设备和方法以及基于上下文的算术解码设备和方法 Download PDF

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CN102460975B
CN102460975B CN201080027852.XA CN201080027852A CN102460975B CN 102460975 B CN102460975 B CN 102460975B CN 201080027852 A CN201080027852 A CN 201080027852A CN 102460975 B CN102460975 B CN 102460975B
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msb
current
decoding
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CN102460975A (zh
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朱基岘
金重会
吴殷美
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Priority to CN201610032446.1A priority patent/CN105491378B/zh
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    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • 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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • 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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H03M7/4012—Binary arithmetic codes
    • 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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H03M7/4012—Binary arithmetic codes
    • H03M7/4018—Context adapative binary arithmetic codes [CABAC]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201080027852.XA 2009-06-19 2010-06-18 基于上下文的算术编码设备和方法以及基于上下文的算术解码设备和方法 Active CN102460975B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610031675.1A CN105427867B (zh) 2009-06-19 2010-06-18 基于上下文的算术解码设备和方法
CN201610032446.1A CN105491378B (zh) 2009-06-19 2010-06-18 基于上下文的算术解码设备和方法

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
KR20090055113 2009-06-19
KR10-2009-0055113 2009-06-19
KR10-2009-0056301 2009-06-24
KR20090056301 2009-06-24
KR10-2009-0100457 2009-10-21
KR1020090100457A KR20100136890A (ko) 2009-06-19 2009-10-21 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR1020090122733A KR20100136896A (ko) 2009-06-19 2009-12-10 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR10-2009-0122733 2009-12-10
KR1020100000281A KR20100136898A (ko) 2009-06-19 2010-01-04 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR10-2010-0000281 2010-01-04
KR1020100000643A KR101719735B1 (ko) 2009-06-19 2010-01-05 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR10-2010-0000643 2010-01-05
PCT/KR2010/003975 WO2010147436A2 (en) 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method

Related Child Applications (2)

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CN201610031675.1A Division CN105427867B (zh) 2009-06-19 2010-06-18 基于上下文的算术解码设备和方法
CN201610032446.1A Division CN105491378B (zh) 2009-06-19 2010-06-18 基于上下文的算术解码设备和方法

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CN102460975A CN102460975A (zh) 2012-05-16
CN102460975B true CN102460975B (zh) 2016-02-17

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CN201610032446.1A Active CN105491378B (zh) 2009-06-19 2010-06-18 基于上下文的算术解码设备和方法
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US (3) US9171550B2 (cg-RX-API-DMAC7.html)
EP (3) EP2443750A4 (cg-RX-API-DMAC7.html)
JP (1) JP5635603B2 (cg-RX-API-DMAC7.html)
KR (5) KR20100136890A (cg-RX-API-DMAC7.html)
CN (3) CN102460975B (cg-RX-API-DMAC7.html)
BR (2) BRPI1015554B1 (cg-RX-API-DMAC7.html)
CA (2) CA2765863C (cg-RX-API-DMAC7.html)
MX (1) MX2011013579A (cg-RX-API-DMAC7.html)
RU (2) RU2493652C2 (cg-RX-API-DMAC7.html)
WO (1) WO2010147436A2 (cg-RX-API-DMAC7.html)

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