JP5635603B2 - コンテクスト基盤の算術符号化装置及びその方法並びに算術復号化装置及びその方法 - Google Patents

コンテクスト基盤の算術符号化装置及びその方法並びに算術復号化装置及びその方法 Download PDF

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JP5635603B2
JP5635603B2 JP2012515996A JP2012515996A JP5635603B2 JP 5635603 B2 JP5635603 B2 JP 5635603B2 JP 2012515996 A JP2012515996 A JP 2012515996A JP 2012515996 A JP2012515996 A JP 2012515996A JP 5635603 B2 JP5635603 B2 JP 5635603B2
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JP2012531086A5 (enExample
JP2012531086A (ja
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チュー,ギ−ヒョン
キム,ジュン−フェ
オ,ウン−ミ
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Samsung Electronics Co Ltd
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/0017Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/002Dynamic bit allocation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006Conversion to or from arithmetic code
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006Conversion to or from arithmetic code
    • H03M7/4012Binary arithmetic codes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006Conversion to or from arithmetic code
    • H03M7/4012Binary arithmetic codes
    • H03M7/4018Context 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)
JP2012515996A 2009-06-19 2010-06-18 コンテクスト基盤の算術符号化装置及びその方法並びに算術復号化装置及びその方法 Active JP5635603B2 (ja)

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
KR1020090100457A KR20100136890A (ko) 2009-06-19 2009-10-21 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR10-2009-0100457 2009-10-21
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

Publications (3)

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JP2012531086A JP2012531086A (ja) 2012-12-06
JP2012531086A5 JP2012531086A5 (enExample) 2013-08-01
JP5635603B2 true JP5635603B2 (ja) 2014-12-03

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US (3) US9171550B2 (enExample)
EP (3) EP3843278A1 (enExample)
JP (1) JP5635603B2 (enExample)
KR (5) KR20100136890A (enExample)
CN (3) CN105427867B (enExample)
BR (2) BR122020024930B1 (enExample)
CA (2) CA2923285C (enExample)
MX (1) MX2011013579A (enExample)
RU (2) RU2493652C2 (enExample)
WO (1) WO2010147436A2 (enExample)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100136890A (ko) 2009-06-19 2010-12-29 삼성전자주식회사 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
ES2454020T3 (es) * 2009-10-20 2014-04-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio, decodificador de audio, procedimiento para codificar información de audio, procedimiento y programa de computación que usa una regla dependiente de la región para un mapeado mediante codificación aritmética
MX2012008076A (es) 2010-01-12 2013-01-29 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio, metodo para codificar y decodificar una informacion de audio y programa de computacion que obtiene un valor de contexto de sub-region basado en una norma de valores espectrales previamente decodificados.
BR112013000489B1 (pt) * 2010-07-08 2021-06-01 Fraunhofer-Gesellschaft Zur Förderung Der Angewadten Forschung E.V. Codificador que utiliza cancelamento de serrilhado futuro
AU2011287747B2 (en) * 2010-07-20 2015-02-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an optimized hash table
US9042440B2 (en) 2010-12-03 2015-05-26 Qualcomm Incorporated Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding
US8976861B2 (en) 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
US10499059B2 (en) 2011-03-08 2019-12-03 Velos Media, Llc Coding of transform coefficients for video coding
US9106913B2 (en) 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
RU2464649C1 (ru) * 2011-06-01 2012-10-20 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ обработки звукового сигнала
US9167253B2 (en) 2011-06-28 2015-10-20 Qualcomm Incorporated Derivation of the position in scan order of the last significant transform coefficient in video coding
CN106941003B (zh) 2011-10-21 2021-01-26 三星电子株式会社 能量无损编码方法和设备以及能量无损解码方法和设备
GB2513111A (en) * 2013-04-08 2014-10-22 Sony Corp Data encoding and decoding
US9176973B1 (en) 2013-06-14 2015-11-03 Timmes, Inc. Recursive-capable lossless compression mechanism
EP2830055A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Context-based entropy coding of sample values of a spectral envelope
US9997165B2 (en) 2013-10-18 2018-06-12 Telefonaktiebolaget L M Ericsson (Publ) Coding and decoding of spectral peak positions
EP3163877A4 (en) * 2014-06-29 2018-03-07 LG Electronics Inc. Method and apparatus for performing arithmetic coding on basis of concatenated rom-ram table
EP2980794A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
PL3796314T3 (pl) * 2014-07-28 2022-03-28 Nippon Telegraph And Telephone Corporation Kodowanie sygnału dźwiękowego
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
US9252805B1 (en) * 2015-03-28 2016-02-02 International Business Machines Corporation Parallel huffman decoder
US20160360236A1 (en) * 2015-06-04 2016-12-08 Mediatek Inc. Method and Apparatus for Entropy Transcoding
CN108496221B (zh) * 2016-01-26 2020-01-21 杜比实验室特许公司 自适应量化
US10419781B2 (en) * 2016-09-20 2019-09-17 Qualcomm Incorporated Storing and retrieving high bit depth image data
US10194147B2 (en) * 2017-01-19 2019-01-29 Google Llc DC coefficient sign coding scheme
US11227615B2 (en) * 2017-09-08 2022-01-18 Sony Corporation Sound processing apparatus and sound processing method
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
WO2019091576A1 (en) * 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
GB2574873A (en) * 2018-06-21 2019-12-25 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
CN109859743B (zh) 2019-01-29 2023-12-08 腾讯科技(深圳)有限公司 音频识别方法、系统和机器设备

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06133284A (ja) 1992-10-15 1994-05-13 Sony Corp エンコーダ及びデコーダ
US5984512A (en) * 1994-07-29 1999-11-16 Discovision Associates Method for storing video information
GB9509831D0 (en) * 1995-05-15 1995-07-05 Gerzon Michael A Lossless coding method for waveform data
DE69628172T2 (de) 1995-08-03 2004-04-01 Seagate Technology Llc, Scotts Valley Verfahren zum Kodieren eines Eingabewertes für die Übertragung auf Partial-Response Kanälen
KR100261253B1 (ko) 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법및 장치
KR100261254B1 (ko) 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치
KR100335609B1 (ko) 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
KR100274213B1 (ko) * 1997-11-21 2000-12-15 윤종용 Rll(2,25)코드를 이용한 7/13 채널코딩 및 채널디코딩방법
FI104133B (fi) * 1997-11-28 1999-11-15 Nokia Mobile Phones Ltd Koodaus- ja modulointimenetelmä ja laite sen soveltamiseksi
US6289128B1 (en) 1998-09-30 2001-09-11 Ricoh Co., Ltd. Method and apparatus for sharing a least significant bit of encoded data between multiple numeric data values
JP3684128B2 (ja) 2000-02-18 2005-08-17 キヤノン株式会社 算術符号化/復号化方法ならびに算術符号化/復号化装置
US6400289B1 (en) * 2000-03-01 2002-06-04 Hughes Electronics Corporation System and method for performing lossless data compression and decompression
JP2003304160A (ja) * 2002-04-11 2003-10-24 Sony Corp Mq−coder方式の算術符号化/復号装置並びに方法
US7487091B2 (en) 2002-05-10 2009-02-03 Asahi Kasei Kabushiki Kaisha Speech recognition device for recognizing a word sequence using a switching speech model network
GB2388502A (en) 2002-05-10 2003-11-12 Chris Dunn Compression of frequency domain audio signals
KR20040085545A (ko) 2003-03-31 2004-10-08 삼성전자주식회사 통신 시스템에서 오류 정정 부호의 복호 장치 및 방법
US20040208169A1 (en) * 2003-04-18 2004-10-21 Reznik Yuriy A. Digital audio signal compression method and apparatus
US7426462B2 (en) 2003-09-29 2008-09-16 Sony Corporation Fast codebook selection method in audio encoding
KR100571824B1 (ko) * 2003-11-26 2006-04-17 삼성전자주식회사 부가정보 삽입된 mpeg-4 오디오 bsac부호화/복호화 방법 및 장치
JP2005184232A (ja) 2003-12-17 2005-07-07 Sony Corp 符号化装置、プログラム、およびデータ処理方法
SE526226C2 (sv) 2003-12-19 2005-08-02 Ericsson Telefon Ab L M Bildbehandling
KR20050087956A (ko) * 2004-02-27 2005-09-01 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
KR100561869B1 (ko) 2004-03-10 2006-03-17 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
US7272567B2 (en) * 2004-03-25 2007-09-18 Zoran Fejzo Scalable lossless audio codec and authoring tool
JP4842265B2 (ja) * 2004-07-14 2011-12-21 エージェンシー フォー サイエンス,テクノロジー アンド リサーチ 信号の状況(コンテキスト)ベース符号化及び復号化
US7788106B2 (en) 2005-04-13 2010-08-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Entropy coding with compact codebooks
US7991610B2 (en) 2005-04-13 2011-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Adaptive grouping of parameters for enhanced coding efficiency
KR100818268B1 (ko) 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
JP2007028531A (ja) 2005-07-21 2007-02-01 Fuji Xerox Co Ltd 画像符号化装置及び画像符号化方法
KR20070037945A (ko) * 2005-10-04 2007-04-09 삼성전자주식회사 오디오 신호의 부호화/복호화 방법 및 장치
US7372378B2 (en) 2005-12-01 2008-05-13 Nvidia Corporation Efficient decoding of n-tuple variable bit length symbols
KR101237413B1 (ko) 2005-12-07 2013-02-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법, 오디오 신호의부호화 및 복호화 장치
JP2007214814A (ja) 2006-02-08 2007-08-23 Sony Corp 復号化方法、復号化プログラムおよび復号化装置
JP4745865B2 (ja) 2006-02-28 2011-08-10 富士通セミコンダクター株式会社 符号化装置および方法
US7246462B1 (en) * 2006-03-06 2007-07-24 Grois Inventors Corp, Inc. Reusable device for release of caught fishing accessories
JP2008268384A (ja) * 2007-04-17 2008-11-06 Nec Lcd Technologies Ltd 液晶表示装置
KR100889750B1 (ko) * 2007-05-17 2009-03-24 한국전자통신연구원 오디오 신호의 무손실 부호화/복호화 장치 및 그 방법
US20110116542A1 (en) * 2007-08-24 2011-05-19 France Telecom Symbol plane encoding/decoding with dynamic calculation of probability tables
US7623047B2 (en) 2007-10-30 2009-11-24 Hewlett-Packard Development Company, L.P. Data sequence compression
PT3300076T (pt) 2008-07-11 2019-07-17 Fraunhofer Ges Forschung Codificador de áudio e descodificador de áudio
WO2010106631A1 (ja) * 2009-03-17 2010-09-23 キーパー=スミス エル・エル・ピー 画像表示システム、画像表示装置、画像提供装置およびその方法
KR20100136890A (ko) 2009-06-19 2010-12-29 삼성전자주식회사 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법

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WO2010147436A3 (en) 2011-03-03
CA2923285A1 (en) 2010-12-23
MX2011013579A (es) 2012-02-21
KR101719735B1 (ko) 2017-03-27
BRPI1015554B1 (pt) 2021-08-10
WO2010147436A2 (en) 2010-12-23
KR101882948B1 (ko) 2018-07-30
KR20170035855A (ko) 2017-03-31
US9171550B2 (en) 2015-10-27
CN105491378B (zh) 2019-03-15
BR122020024930B1 (pt) 2021-07-27
US9959879B2 (en) 2018-05-01
RU2493652C2 (ru) 2013-09-20
RU2011151607A (ru) 2013-06-27
CA2765863C (en) 2016-05-24
KR20100136899A (ko) 2010-12-29
CN102460975B (zh) 2016-02-17
KR20100136898A (ko) 2010-12-29
CN105427867B (zh) 2019-07-19
EP3843278A1 (en) 2021-06-30
CA2765863A1 (en) 2010-12-23
US20100324912A1 (en) 2010-12-23
US20160049160A1 (en) 2016-02-18
RU2013129559A (ru) 2015-01-10
KR20100136890A (ko) 2010-12-29
CN102460975A (zh) 2012-05-16
CA2923285C (en) 2018-05-29
EP3843279A1 (en) 2021-06-30
CN105491378A (zh) 2016-04-13
RU2649288C2 (ru) 2018-03-30
JP2012531086A (ja) 2012-12-06
EP2443750A2 (en) 2012-04-25
US20120221325A1 (en) 2012-08-30
US8412533B2 (en) 2013-04-02
BRPI1015554A2 (pt) 2020-08-18
CN105427867A (zh) 2016-03-23
EP2443750A4 (en) 2015-04-29
KR20100136896A (ko) 2010-12-29

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