CA2923285C - Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method - Google Patents

Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method Download PDF

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Publication number
CA2923285C
CA2923285C CA2923285A CA2923285A CA2923285C CA 2923285 C CA2923285 C CA 2923285C CA 2923285 A CA2923285 A CA 2923285A CA 2923285 A CA2923285 A CA 2923285A CA 2923285 C CA2923285 C CA 2923285C
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msb
current
decoding
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French (fr)
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CA2923285A1 (en
Inventor
Ki Hyun Choo
Jung-Hoe Kim
Eun Mi Oh
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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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)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA2923285A 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method Active CA2923285C (en)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
KR20090055113 2009-06-19
KR10-2009-0055113 2009-06-19
KR20090056301 2009-06-24
KR10-2009-0056301 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
KR10-2009-0122733 2009-12-10
KR1020090122733A KR20100136896A (ko) 2009-06-19 2009-12-10 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
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
KR10-2010-0000643 2010-01-05
KR1020100000643A KR101719735B1 (ko) 2009-06-19 2010-01-05 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
CA2765863A CA2765863C (en) 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method

Related Parent Applications (1)

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CA2765863A Division CA2765863C (en) 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method

Publications (2)

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CA2923285A1 CA2923285A1 (en) 2010-12-23
CA2923285C true CA2923285C (en) 2018-05-29

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CA2923285A Active CA2923285C (en) 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
CA2765863A Active CA2765863C (en) 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method

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US (3) US9171550B2 (cg-RX-API-DMAC7.html)
EP (3) EP3843279A1 (cg-RX-API-DMAC7.html)
JP (1) JP5635603B2 (cg-RX-API-DMAC7.html)
KR (5) KR20100136890A (cg-RX-API-DMAC7.html)
CN (3) CN105491378B (cg-RX-API-DMAC7.html)
BR (2) BR122020024930B1 (cg-RX-API-DMAC7.html)
CA (2) CA2923285C (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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CA2765863C (en) 2016-05-24
CN102460975B (zh) 2016-02-17
RU2011151607A (ru) 2013-06-27
JP2012531086A (ja) 2012-12-06
CN105491378B (zh) 2019-03-15
KR20100136898A (ko) 2010-12-29
JP5635603B2 (ja) 2014-12-03
BR122020024930B1 (pt) 2021-07-27
US20100324912A1 (en) 2010-12-23
US20120221325A1 (en) 2012-08-30
WO2010147436A2 (en) 2010-12-23
US9959879B2 (en) 2018-05-01
US9171550B2 (en) 2015-10-27
RU2013129559A (ru) 2015-01-10
BRPI1015554A2 (pt) 2020-08-18
US20160049160A1 (en) 2016-02-18
KR101882948B1 (ko) 2018-07-30
CN105491378A (zh) 2016-04-13
KR20100136890A (ko) 2010-12-29
CN102460975A (zh) 2012-05-16
CA2765863A1 (en) 2010-12-23
BRPI1015554B1 (pt) 2021-08-10
EP3843278A1 (en) 2021-06-30
MX2011013579A (es) 2012-02-21
KR20100136899A (ko) 2010-12-29
KR20170035855A (ko) 2017-03-31
RU2649288C2 (ru) 2018-03-30
US8412533B2 (en) 2013-04-02
CN105427867A (zh) 2016-03-23
CN105427867B (zh) 2019-07-19
EP2443750A2 (en) 2012-04-25
EP3843279A1 (en) 2021-06-30
KR20100136896A (ko) 2010-12-29
EP2443750A4 (en) 2015-04-29
RU2493652C2 (ru) 2013-09-20
KR101719735B1 (ko) 2017-03-27
CA2923285A1 (en) 2010-12-23

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