CN105491378B - 基于上下文的算术解码设备和方法 - Google Patents

基于上下文的算术解码设备和方法 Download PDF

Info

Publication number
CN105491378B
CN105491378B CN201610032446.1A CN201610032446A CN105491378B CN 105491378 B CN105491378 B CN 105491378B CN 201610032446 A CN201610032446 A CN 201610032446A CN 105491378 B CN105491378 B CN 105491378B
Authority
CN
China
Prior art keywords
context
tuple
msb
current
coding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610032446.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN105491378A (zh
Inventor
朱基岘
金重会
吴殷美
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN105491378A publication Critical patent/CN105491378A/zh
Application granted granted Critical
Publication of CN105491378B publication Critical patent/CN105491378B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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]

Landscapes

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

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
KR10-2009-0055113 2009-06-19
KR20090055113 2009-06-19
KR10-2009-0056301 2009-06-24
KR20090056301 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
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
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
CN201080027852.XA CN102460975B (zh) 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

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201080027852.XA Division CN102460975B (zh) 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

Publications (2)

Publication Number Publication Date
CN105491378A CN105491378A (zh) 2016-04-13
CN105491378B true CN105491378B (zh) 2019-03-15

Family

ID=43510806

Family Applications (3)

Application Number Title Priority Date Filing Date
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
CN201610031675.1A Active CN105427867B (zh) 2009-06-19 2010-06-18 基于上下文的算术解码设备和方法
CN201080027852.XA Active CN102460975B (zh) 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

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN201610031675.1A Active CN105427867B (zh) 2009-06-19 2010-06-18 基于上下文的算术解码设备和方法
CN201080027852.XA Active CN102460975B (zh) 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

Country Status (10)

Country Link
US (3) US9171550B2 (https=)
EP (3) EP2443750A4 (https=)
JP (1) JP5635603B2 (https=)
KR (5) KR20100136890A (https=)
CN (3) CN105491378B (https=)
BR (2) BR122020024930B1 (https=)
CA (2) CA2923285C (https=)
MX (1) MX2011013579A (https=)
RU (2) RU2493652C2 (https=)
WO (1) WO2010147436A2 (https=)

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
BR122022013454B1 (pt) 2009-10-20 2023-05-16 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados
AU2011206677B9 (en) * 2010-01-12 2014-12-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values
PL4372742T3 (pl) * 2010-07-08 2026-02-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Koder wykorzystujący kasowanie aliasingu w przód
MY179769A (en) * 2010-07-20 2020-11-13 Fraunhofer Ges Forschung Audio encoder, audio decoder,method for encoding and 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
US9106913B2 (en) 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
US10397577B2 (en) 2011-03-08 2019-08-27 Velos Media, Llc Inverse scan order for significance map coding of transform coefficients in video coding
RU2464649C1 (ru) * 2011-06-01 2012-10-20 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ обработки звукового сигнала
US9491469B2 (en) 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
EP2767977A4 (en) 2011-10-21 2015-04-29 Samsung Electronics Co Ltd METHOD AND DEVICE FOR LOSS-FREE ENERGY CODING, AUDIO CODING METHOD AND DEVICE, METHOD AND APPARATUS FOR LOSS-FREE ENERGY DECODING AND AUDIO CODING METHOD AND DEVICE
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
BR112016007515B1 (pt) 2013-10-18 2021-11-16 Telefonaktiebolaget Lm Ericsson (Publ) Método de codificação de segmento de sinal de áudio, codificador de segmento de sinal de áudio, e, terminal de usuário.
US10455247B2 (en) 2014-06-29 2019-10-22 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
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
ES2838006T3 (es) * 2014-07-28 2021-07-01 Nippon Telegraph & Telephone Codificación de señal de sonido
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
US10395664B2 (en) * 2016-01-26 2019-08-27 Dolby Laboratories Licensing Corporation Adaptive Quantization
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
WO2019049543A1 (ja) * 2017-09-08 2019-03-14 ソニー株式会社 音声処理装置、音声処理方法及びプログラム
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
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
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
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
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
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1681213A (zh) * 2004-03-10 2005-10-12 三星电子株式会社 无损音频编码/解码方法和装置
CN1684371A (zh) * 2004-02-27 2005-10-19 三星电子株式会社 无损音频解码/编码方法和装置

Family Cites Families (41)

* 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
US5703793A (en) * 1994-07-29 1997-12-30 Discovision Associates Video decompression
GB9509831D0 (en) * 1995-05-15 1995-07-05 Gerzon Michael A Lossless coding method for waveform data
JPH11511283A (ja) * 1995-08-03 1999-09-28 シーゲート テクノロジー，インコーポレイテッド 整合スペクトルヌルエンコーダ／デコーダ
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
FI104133B1 (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
AU2003235868A1 (en) * 2002-05-10 2003-11-11 Asahi Kasei Kabushiki Kaisha Speech recognition device
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
US7392195B2 (en) * 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
MX2007000459A (es) * 2004-07-14 2007-07-25 Agency Science Tech & Res Codificacion y descodificacion de senales, basadas en contexto.
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
US7788106B2 (en) 2005-04-13 2010-08-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Entropy coding with compact codebooks
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
WO2009027606A1 (fr) * 2007-08-24 2009-03-05 France Telecom Codage/decodage par plans de symboles, avec calcul dynamique de tables de probabilites
US7623047B2 (en) * 2007-10-30 2009-11-24 Hewlett-Packard Development Company, L.P. Data sequence compression
EP3937167B1 (en) 2008-07-11 2023-05-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and audio decoder
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1684371A (zh) * 2004-02-27 2005-10-19 三星电子株式会社 无损音频解码/编码方法和装置
CN1681213A (zh) * 2004-03-10 2005-10-12 三星电子株式会社 无损音频编码/解码方法和装置

Also Published As

Publication number Publication date
CN102460975B (zh) 2016-02-17
JP5635603B2 (ja) 2014-12-03
CA2923285A1 (en) 2010-12-23
KR20100136899A (ko) 2010-12-29
RU2649288C2 (ru) 2018-03-30
US8412533B2 (en) 2013-04-02
MX2011013579A (es) 2012-02-21
CA2765863C (en) 2016-05-24
US9959879B2 (en) 2018-05-01
CN105491378A (zh) 2016-04-13
KR20100136896A (ko) 2010-12-29
CA2765863A1 (en) 2010-12-23
BRPI1015554A2 (pt) 2020-08-18
CN102460975A (zh) 2012-05-16
RU2011151607A (ru) 2013-06-27
BR122020024930B1 (pt) 2021-07-27
KR20170035855A (ko) 2017-03-31
WO2010147436A3 (en) 2011-03-03
EP3843279A1 (en) 2021-06-30
EP3843278A1 (en) 2021-06-30
JP2012531086A (ja) 2012-12-06
EP2443750A2 (en) 2012-04-25
KR20100136890A (ko) 2010-12-29
US9171550B2 (en) 2015-10-27
US20160049160A1 (en) 2016-02-18
KR20100136898A (ko) 2010-12-29
WO2010147436A2 (en) 2010-12-23
EP2443750A4 (en) 2015-04-29
KR101882948B1 (ko) 2018-07-30
US20120221325A1 (en) 2012-08-30
RU2013129559A (ru) 2015-01-10
KR101719735B1 (ko) 2017-03-27
RU2493652C2 (ru) 2013-09-20
CN105427867A (zh) 2016-03-23
BRPI1015554B1 (pt) 2021-08-10
CA2923285C (en) 2018-05-29
US20100324912A1 (en) 2010-12-23
CN105427867B (zh) 2019-07-19

Similar Documents

Publication Publication Date Title
CN105491378B (zh) 基于上下文的算术解码设备和方法
RU2591663C2 (ru) Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая обнаружение группы ранее декодированных спектральных значений
RU2644141C2 (ru) Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая модификацию числового представления числового значения предыдущего контекста
CN1681213B (zh) 无损音频编码/解码方法和装置
JP5815723B2 (ja) 低ビットレート信号コーダおよびデコーダ
CN115995225A (zh) 模型训练方法和装置、语音合成方法、设备及存储介质
Julian et al. Finite Scalar Quantization Enables Redundant and Transmission-Robust Neural Audio Compression at Low Bit-rates
Bouzid et al. Multi-coder vector quantizer for transparent coding of wideband speech ISF parameters
RU2574848C2 (ru) Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая хэш-таблицу, которая описывает значимые значения состояния и границы интервала
Faraj et al. Design and Comparison of Vector Quantization Codebooks for Narrowband Speech Coding
BR122024007444A2 (pt) Codificador de áudio, decodificador de áudio, método de codificação e informação de áudio, método de decodificação de uma informação de áudio

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant