KR20100136890A - 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법 - Google Patents

컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법 Download PDF

Info

Publication number
KR20100136890A
KR20100136890A KR1020090100457A KR20090100457A KR20100136890A KR 20100136890 A KR20100136890 A KR 20100136890A KR 1020090100457 A KR1020090100457 A KR 1020090100457A KR 20090100457 A KR20090100457 A KR 20090100457A KR 20100136890 A KR20100136890 A KR 20100136890A
Authority
KR
South Korea
Prior art keywords
context
bit
tuple
decoding
msb
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.)
Pending
Application number
KR1020090100457A
Other languages
English (en)
Korean (ko)
Inventor
주기현
김중회
오은미
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR1020090122733A priority Critical patent/KR20100136896A/ko
Priority to KR1020100000281A priority patent/KR20100136898A/ko
Priority to KR1020100000643A priority patent/KR101719735B1/ko
Priority to US12/801,632 priority patent/US9171550B2/en
Priority to CN201610031675.1A priority patent/CN105427867B/zh
Priority to CA2765863A priority patent/CA2765863C/en
Priority to BR122020024930-7A priority patent/BR122020024930B1/pt
Priority to CN201080027852.XA priority patent/CN102460975B/zh
Priority to BRPI1015554-6A priority patent/BRPI1015554B1/pt
Priority to PCT/KR2010/003975 priority patent/WO2010147436A2/en
Priority to EP21158260.6A priority patent/EP3843278A1/en
Priority to CA2923285A priority patent/CA2923285C/en
Priority to RU2011151607/08A priority patent/RU2493652C2/ru
Priority to CN201610032446.1A priority patent/CN105491378B/zh
Priority to MX2011013579A priority patent/MX2011013579A/es
Priority to JP2012515996A priority patent/JP5635603B2/ja
Priority to EP21158261.4A priority patent/EP3843279A1/en
Priority to EP10789763.9A priority patent/EP2443750A4/en
Publication of KR20100136890A publication Critical patent/KR20100136890A/ko
Priority to US13/464,529 priority patent/US8412533B2/en
Priority to RU2013129559A priority patent/RU2649288C2/ru
Priority to US14/922,958 priority patent/US9959879B2/en
Priority to KR1020170034922A priority patent/KR101882948B1/ko
Pending legal-status Critical Current

Links

Images

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

Priority Applications (22)

Application Number Priority Date Filing Date Title
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
KR1020100000643A KR101719735B1 (ko) 2009-06-19 2010-01-05 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
US12/801,632 US9171550B2 (en) 2009-06-19 2010-06-17 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
CA2923285A CA2923285C (en) 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
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
BR122020024930-7A BR122020024930B1 (pt) 2009-06-19 2010-06-18 Aparelho para decodificar sem ruído uma tupla-2
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
BRPI1015554-6A BRPI1015554B1 (pt) 2009-06-19 2010-06-18 Método de decodificação sem ruído de uma tupla-2 que é uma combinação de dois coeficientes espectrais
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
EP21158260.6A EP3843278A1 (en) 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
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
RU2011151607/08A RU2493652C2 (ru) 2009-06-19 2010-06-18 Устройство и способ основанного на контексте арифметического кодирования и устройство и способ основанного на контексте арифметического декодирования
CA2765863A CA2765863C (en) 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
MX2011013579A MX2011013579A (es) 2009-06-19 2010-06-18 Aparato y metodo de codificacion aritmetica a base de contexto y aparato y metodo de decodificacion aritmetica a base de contexto.
JP2012515996A JP5635603B2 (ja) 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
EP21158261.4A EP3843279A1 (en) 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
EP10789763.9A EP2443750A4 (en) 2009-06-19 2010-06-18 CONTEXT-BASED ARITHMETIC CODING DEVICE AND METHOD AND CONTEXT-BASED ARITHMETIC DECODING DEVICE AND METHOD
US13/464,529 US8412533B2 (en) 2009-06-19 2012-05-04 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
RU2013129559A RU2649288C2 (ru) 2009-06-19 2013-06-27 Устройство и способ основанного на контексте арифметического кодирования и устройство и способ основанного на контексте арифметического декодирования
US14/922,958 US9959879B2 (en) 2009-06-19 2015-10-26 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
KR1020170034922A KR101882948B1 (ko) 2009-06-19 2017-03-20 컨텍스트 기반의 산술 복호화 장치 및 방법

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020090055113 2009-06-19
KR20090055113 2009-06-19
KR20090056301 2009-06-24
KR1020090056301 2009-06-24

Publications (1)

Publication Number Publication Date
KR20100136890A true KR20100136890A (ko) 2010-12-29

Family

ID=43510806

Family Applications (5)

Application Number Title Priority Date Filing Date
KR1020090100457A Pending KR20100136890A (ko) 2009-06-19 2009-10-21 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR1020090122733A Pending KR20100136896A (ko) 2009-06-19 2009-12-10 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR1020100000281A Pending KR20100136898A (ko) 2009-06-19 2010-01-04 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR1020100000643A Expired - Fee Related KR101719735B1 (ko) 2009-06-19 2010-01-05 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR1020170034922A Expired - Fee Related KR101882948B1 (ko) 2009-06-19 2017-03-20 컨텍스트 기반의 산술 복호화 장치 및 방법

Family Applications After (4)

Application Number Title Priority Date Filing Date
KR1020090122733A Pending KR20100136896A (ko) 2009-06-19 2009-12-10 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR1020100000281A Pending KR20100136898A (ko) 2009-06-19 2010-01-04 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR1020100000643A Expired - Fee Related KR101719735B1 (ko) 2009-06-19 2010-01-05 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR1020170034922A Expired - Fee Related KR101882948B1 (ko) 2009-06-19 2017-03-20 컨텍스트 기반의 산술 복호화 장치 및 방법

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=)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200094752A (ko) * 2017-11-10 2020-08-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 최하위 비트의 인코딩 및 디코딩을 적용한 오디오 인코더, 오디오 디코더, 방법 및 컴퓨터 프로그램
US11315580B2 (en) 2017-11-10 2022-04-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
US11380341B2 (en) 2017-11-10 2022-07-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
US11462226B2 (en) 2017-11-10 2022-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
US11545167B2 (en) 2017-11-10 2023-01-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
US11562754B2 (en) 2017-11-10 2023-01-24 Fraunhofer-Gesellschaft Zur F Rderung Der Angewandten Forschung E.V. Analysis/synthesis windowing function for modulated lapped transformation

Families Citing this family (32)

* 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
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
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
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
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
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
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
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

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200094752A (ko) * 2017-11-10 2020-08-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 최하위 비트의 인코딩 및 디코딩을 적용한 오디오 인코더, 오디오 디코더, 방법 및 컴퓨터 프로그램
KR20200096233A (ko) * 2017-11-10 2020-08-11 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 최하위 비트의 인코딩 및 디코딩을 적용한 오디오 인코더, 오디오 디코더, 방법 및 컴퓨터 프로그램
KR20200100053A (ko) * 2017-11-10 2020-08-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 최하위 비트의 인코딩 및 디코딩을 적용한 오디오 인코더, 오디오 디코더, 방법 및 컴퓨터 프로그램
US11315580B2 (en) 2017-11-10 2022-04-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
US11315583B2 (en) 2017-11-10 2022-04-26 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
US11380341B2 (en) 2017-11-10 2022-07-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
US11380339B2 (en) 2017-11-10 2022-07-05 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
US11386909B2 (en) 2017-11-10 2022-07-12 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
US11462226B2 (en) 2017-11-10 2022-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
US11545167B2 (en) 2017-11-10 2023-01-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
US11562754B2 (en) 2017-11-10 2023-01-24 Fraunhofer-Gesellschaft Zur F Rderung Der Angewandten Forschung E.V. Analysis/synthesis windowing function for modulated lapped transformation
US12033646B2 (en) 2017-11-10 2024-07-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation

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
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
CN105491378B (zh) 2019-03-15
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
KR20100136890A (ko) 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
JP6941643B2 (ja) 全帯域ギャップ充填を備えた周波数ドメインプロセッサと時間ドメインプロセッサとを使用するオーディオ符号器及び復号器
KR101139172B1 (ko) 스케일러블 음성 및 오디오 코덱들에서 양자화된 ｍｄｃｔ 스펙트럼에 대한 코드북 인덱스들의 인코딩/디코딩을 위한 기술
EP2302624B1 (en) Apparatus for encoding and decoding of integrated speech and audio
CN105702258B (zh) 用于对音频信号进行编码和解码的方法及设备
TWI555008B (zh) 使用在智慧間隙填充架構內之雙聲道處理之音頻編碼器、音頻解碼器及相關方法
KR101238239B1 (ko) 인코더
CN102177426A (zh) 多分辨率切换音频编码/解码方案
CN101518083A (zh) 通过使用带宽扩展和立体声编码对音频信号编码和/或解码的方法、介质和系统
US9240192B2 (en) Device and method for efficiently encoding quantization parameters of spectral coefficient coding

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20091021

PG1501 Laying open of application
PC1204 Withdrawal of earlier application forming a basis of a priority claim

Patent event date: 20091021

Comment text: Patent Application

Patent event code: PC12041R01I