DE60317982D1 - Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus - Google Patents

Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus

Info

Publication number
DE60317982D1
DE60317982D1 DE60317982T DE60317982T DE60317982D1 DE 60317982 D1 DE60317982 D1 DE 60317982D1 DE 60317982 T DE60317982 T DE 60317982T DE 60317982 T DE60317982 T DE 60317982T DE 60317982 D1 DE60317982 D1 DE 60317982D1
Authority
DE
Germany
Prior art keywords
coding
mode
level
adapting
run length
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.)
Expired - Lifetime
Application number
DE60317982T
Other languages
English (en)
Other versions
DE60317982T2 (de
Inventor
Sanjeev Mehrotra
Wei-Ge Chen
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.)
Microsoft Corp
Original Assignee
Microsoft Corp
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
Priority claimed from US10/647,923 external-priority patent/US7433824B2/en
Application filed by Microsoft Corp filed Critical Microsoft Corp
Publication of DE60317982D1 publication Critical patent/DE60317982D1/de
Application granted granted Critical
Publication of DE60317982T2 publication Critical patent/DE60317982T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032Quantisation or dequantisation of spectral components
    • 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
    • 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
    • H03M7/4093Variable length to variable length coding
    • 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
    • H03M7/46Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
DE60317982T 2002-09-04 2003-09-03 Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus Expired - Lifetime DE60317982T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US40853802P 2002-09-04 2002-09-04
US408538P 2002-09-04
US10/647,923 US7433824B2 (en) 2002-09-04 2003-08-25 Entropy coding by adapting coding between level and run-length/level modes
US647923P 2003-08-25

Publications (2)

Publication Number Publication Date
DE60317982D1 true DE60317982D1 (de) 2008-01-24
DE60317982T2 DE60317982T2 (de) 2008-04-10

Family

ID=34067862

Family Applications (3)

Application Number Title Priority Date Filing Date
DE20321883U Expired - Lifetime DE20321883U1 (de) 2002-09-04 2003-09-03 Computervorrichtung und -system zum Entropiedecodieren quantisierter Transformationskoeffizienten eines Blockes
DE60317982T Expired - Lifetime DE60317982T2 (de) 2002-09-04 2003-09-03 Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus
DE60330198T Expired - Lifetime DE60330198D1 (de) 2002-09-04 2003-09-03 Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE20321883U Expired - Lifetime DE20321883U1 (de) 2002-09-04 2003-09-03 Computervorrichtung und -system zum Entropiedecodieren quantisierter Transformationskoeffizienten eines Blockes

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60330198T Expired - Lifetime DE60330198D1 (de) 2002-09-04 2003-09-03 Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus

Country Status (8)

Country Link
US (5) US7822601B2 (de)
EP (5) EP2267698B1 (de)
AT (4) ATE543179T1 (de)
DE (3) DE20321883U1 (de)
DK (2) DK1400954T3 (de)
ES (4) ES2388942T3 (de)
HK (2) HK1152790A1 (de)
PT (1) PT2282310E (de)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20321883U1 (de) 2002-09-04 2012-01-20 Microsoft Corp. Computervorrichtung und -system zum Entropiedecodieren quantisierter Transformationskoeffizienten eines Blockes
US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7693709B2 (en) 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US8320491B2 (en) 2006-11-13 2012-11-27 Agency For Science, Technology And Research Method and system for encoding a data matrix and method and system for decoding an encoded data matrix
US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
KR101405972B1 (ko) * 2007-07-02 2014-06-12 엘지전자 주식회사 방송 수신기 및 방송신호 처리방법
JPWO2009022531A1 (ja) * 2007-08-13 2010-11-11 日本電気株式会社 データ圧縮伸張方法
US8179974B2 (en) 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
EP2346030B1 (de) * 2008-07-11 2014-10-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Audiokodierung und Computerprogramm
CN101626242B (zh) * 2008-07-11 2014-04-16 数维科技(北京)有限公司 改进的霍夫曼解码方法及装置
RU2491658C2 (ru) * 2008-07-11 2013-08-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Синтезатор аудиосигнала и кодирующее устройство аудиосигнала
EP4224472A1 (de) * 2008-07-11 2023-08-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
WO2010032934A2 (ko) * 2008-09-16 2010-03-25 에스케이텔레콤 주식회사 B-변환을 위한 부호화 방법 및 장치와 그를 위한 부호화 데이터
JP5236005B2 (ja) * 2008-10-10 2013-07-17 日本電信電話株式会社 符号化方法、符号化装置、復号方法、復号装置、プログラム及び記録媒体
WO2010063883A1 (en) * 2008-12-03 2010-06-10 Nokia Corporation Switching between dct coefficient coding modes
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
AU2011206676B2 (en) 2010-01-12 2014-07-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a modification of a number representation of a numeric previous context value
SI3691267T1 (sl) 2010-04-13 2022-06-30 Ge Video Compression, Llc Kodiranje map pomembnosti in blokov transformacijskih koeficientov
US9318115B2 (en) * 2010-11-26 2016-04-19 Nokia Technologies Oy Efficient coding of binary strings for low bit rate entropy audio coding
US8446301B2 (en) * 2011-04-15 2013-05-21 Research In Motion Limited Methods and devices for coding and decoding the position of the last significant coefficient
JP5937064B2 (ja) * 2011-04-20 2016-06-22 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America オーディオ/音声符号化装置、オーディオ/音声復号装置、オーディオ/音声符号化方法およびオーディオ/音声復号方法
US20130003859A1 (en) * 2011-06-30 2013-01-03 Qualcomm Incorporated Transition between run and level coding modes
US9532056B2 (en) 2011-07-18 2016-12-27 Thomson Licensing Method for adaptive entropy coding of tree structures
US20130099946A1 (en) 2011-10-21 2013-04-25 International Business Machines Corporation Data Compression Utilizing Variable and Limited Length Codes
US8891888B2 (en) * 2012-09-05 2014-11-18 Google Inc. Entropy coding for recompression of images
WO2014077591A1 (ko) * 2012-11-13 2014-05-22 삼성전자 주식회사 부호화 모드 결정방법 및 장치, 오디오 부호화방법 및 장치와, 오디오 복호화방법 및 장치
WO2014190468A1 (en) 2013-05-27 2014-12-04 Microsoft Corporation Video encoder for images
US9854377B2 (en) 2013-05-29 2017-12-26 Qualcomm Incorporated Interpolation for decomposed representations of a sound field
US9978065B2 (en) * 2013-06-25 2018-05-22 Visa International Service Association Voice filter system
CN104253993B (zh) * 2013-06-28 2018-01-12 炬芯(珠海)科技有限公司 一种多媒体数据处理方法、电路及装置
EP2830054A1 (de) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer, Audiodecodierer und zugehörige Verfahren unter Verwendung von Zweikanalverarbeitung in einem intelligenten Lückenfüllkontext
US9344218B1 (en) 2013-08-19 2016-05-17 Zoom Video Communications, Inc. Error resilience for interactive real-time multimedia applications
CA2925734C (en) * 2013-10-18 2018-07-10 Guillaume Fuchs Coding of spectral coefficients of a spectrum of an audio signal
US9502045B2 (en) 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
CN110992965A (zh) 2014-02-24 2020-04-10 三星电子株式会社 信号分类方法和装置以及使用其的音频编码方法和装置
WO2015139165A1 (en) 2014-03-17 2015-09-24 Microsoft Technology Licensing, Llc Encoder-side decisions for screen content encoding
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9620137B2 (en) * 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
WO2016123792A1 (en) 2015-02-06 2016-08-11 Microsoft Technology Licensing, Llc Skipping evaluation stages during media encoding
GB2538218B (en) 2015-02-11 2021-06-30 Leo Greenfield Daniel System and method for compressing data using asymmetric numeral systems with probability distributions
US10038917B2 (en) 2015-06-12 2018-07-31 Microsoft Technology Licensing, Llc Search strategies for intra-picture prediction modes
US10171810B2 (en) 2015-06-22 2019-01-01 Cisco Technology, Inc. Transform coefficient coding using level-mode and run-mode
US10136132B2 (en) * 2015-07-21 2018-11-20 Microsoft Technology Licensing, Llc Adaptive skip or zero block detection combined with transform size decision
US10756755B2 (en) 2016-05-10 2020-08-25 Immersion Networks, Inc. Adaptive audio codec system, method and article
US10770088B2 (en) 2016-05-10 2020-09-08 Immersion Networks, Inc. Adaptive audio decoder system, method and article
US10699725B2 (en) 2016-05-10 2020-06-30 Immersion Networks, Inc. Adaptive audio encoder system, method and article
AU2017262757B2 (en) * 2016-05-10 2022-04-07 Immersion Services LLC Adaptive audio codec system, method, apparatus and medium
US10169362B2 (en) 2016-07-07 2019-01-01 Cross Commerce Media, Inc. High-density compression method and computing system
CN107945807B (zh) * 2016-10-12 2021-04-13 厦门雅迅网络股份有限公司 基于静音游程的语音识别方法及其系统
CN207517054U (zh) 2017-01-04 2018-06-19 意法半导体股份有限公司 串流开关
US10402527B2 (en) 2017-01-04 2019-09-03 Stmicroelectronics S.R.L. Reconfigurable interconnect
US10361712B2 (en) * 2017-03-14 2019-07-23 International Business Machines Corporation Non-binary context mixing compressor/decompressor
US10613797B2 (en) * 2017-06-13 2020-04-07 ScaleFlux, Inc. Storage infrastructure that employs a low complexity encoder
CN107677472B (zh) * 2017-08-25 2019-07-09 中国矿业大学 面向网络变量筛选与特征熵融合的轴承状态噪声诊断算法
US11281312B2 (en) 2018-01-08 2022-03-22 Immersion Networks, Inc. Methods and apparatuses for producing smooth representations of input motion in time and space
US10735025B2 (en) * 2018-03-02 2020-08-04 Microsoft Technology Licensing, Llc Use of data prefixes to increase compression ratios
US10599606B2 (en) 2018-03-29 2020-03-24 Nvidia Corp. 424 encoding schemes to reduce coupling and power noise on PAM-4 data buses
US10657094B2 (en) 2018-03-29 2020-05-19 Nvidia Corp. Relaxed 433 encoding to reduce coupling and power noise on PAM-4 data buses
US11159153B2 (en) 2018-03-29 2021-10-26 Nvidia Corp. Data bus inversion (DBI) on pulse amplitude modulation (PAM) and reducing coupling and power noise on PAM-4 I/O
JP7318645B2 (ja) * 2018-06-21 2023-08-01 ソニーグループ株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
US11019346B2 (en) * 2018-07-02 2021-05-25 Qualcomm Incorporated Coefficient coding with grouped bypass remaining levels for dependent quantization
US10623200B2 (en) 2018-07-20 2020-04-14 Nvidia Corp. Bus-invert coding with restricted hamming distance for multi-byte interfaces
US10666289B1 (en) 2019-01-16 2020-05-26 International Business Machines Corporation Data compression using dictionary encoding
CN115623210A (zh) * 2019-05-28 2023-01-17 杜比实验室特许公司 用信号发送量化参数
CN114175151A (zh) * 2019-08-01 2022-03-11 杜比实验室特许公司 Ivas比特流的编码和解码
CN112399181B (zh) * 2019-08-19 2022-08-26 华为技术有限公司 图像编解码的方法、装置和存储介质
US11380343B2 (en) 2019-09-12 2022-07-05 Immersion Networks, Inc. Systems and methods for processing high frequency audio signal
US11593609B2 (en) 2020-02-18 2023-02-28 Stmicroelectronics S.R.L. Vector quantization decoding hardware unit for real-time dynamic decompression for parameters of neural networks
US11227614B2 (en) * 2020-06-11 2022-01-18 Silicon Laboratories Inc. End node spectrogram compression for machine learning speech recognition
US11531873B2 (en) 2020-06-23 2022-12-20 Stmicroelectronics S.R.L. Convolution acceleration with embedded vector decompression
WO2024012666A1 (en) * 2022-07-12 2024-01-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding ar/vr metadata with generic codebooks

Family Cites Families (234)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420771A (en) 1981-02-09 1983-12-13 Bell Telephone Laboratories, Incorporated Technique for encoding multi-level signals
US4558302A (en) 1983-06-20 1985-12-10 Sperry Corporation High speed data compression and decompression apparatus and method
DE3629434C2 (de) 1986-08-29 1994-07-28 Karlheinz Dipl Ing Brandenburg Digitales Codierverfahren
DE3750206C5 (de) 1986-09-13 2019-11-14 Philips Gmbh Verfahren und Schaltungsanordung zur Bitratenreduktion.
US4730348A (en) 1986-09-19 1988-03-08 Adaptive Computer Technologies Adaptive data compression system
US4698672A (en) 1986-10-27 1987-10-06 Compression Labs, Inc. Coding system for reducing redundancy
US4862167A (en) 1987-02-24 1989-08-29 Hayes Microcomputer Products, Inc. Adaptive data compression method and apparatus
US4968135A (en) 1987-08-17 1990-11-06 Digital Equipment Corporation System for producing pixel image data from CCITT encoded pixel data
US4792981A (en) 1987-09-21 1988-12-20 Am International, Inc. Manipulation of run-length encoded images
JPH0191587A (ja) 1987-10-02 1989-04-11 Kokusai Denshin Denwa Co Ltd <Kdd> 予測符号ベクトル量子化方式
US4813056A (en) 1987-12-08 1989-03-14 General Electric Company Modified statistical coding of digital signals
JPH0621830Y2 (ja) 1988-03-11 1994-06-08 本田技研工業株式会社 自動車のサイドシル構造
EP0339589A3 (de) 1988-04-28 1992-01-02 Sharp Kabushiki Kaisha Orthogonales Transformationskodierungssystem für Bilddaten
US5043919A (en) 1988-12-19 1991-08-27 International Business Machines Corporation Method of and system for updating a display unit
DE3943880B4 (de) 1989-04-17 2008-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
FR2646978B1 (fr) 1989-05-11 1991-08-23 France Etat Procede et installation a codage de signaux sonores
US5179442A (en) 1989-06-02 1993-01-12 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US5128758A (en) 1989-06-02 1992-07-07 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
JPH03108824U (de) 1990-02-22 1991-11-08
US5270832A (en) 1990-03-14 1993-12-14 C-Cube Microsystems System for compression and decompression of video data using discrete cosine transform and coding techniques
JP2891773B2 (ja) 1990-03-15 1999-05-17 トムソン マルチメデイア ソシエテ アノニム ディジタル画像シーケンスを処理する方法および装置
JPH0787331B2 (ja) 1990-05-07 1995-09-20 松下電器産業株式会社 圧電振動子及びその周波数調整方法
US5146324A (en) 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
JPH04199981A (ja) 1990-11-29 1992-07-21 Nec Corp 即時処理型1次元符号器
US5253053A (en) 1990-12-31 1993-10-12 Apple Computer, Inc. Variable length decoding using lookup tables
US5266941A (en) 1991-02-15 1993-11-30 Silicon Graphics, Inc. Apparatus and method for controlling storage of display information in a computer system
US5373513A (en) * 1991-08-16 1994-12-13 Eastman Kodak Company Shift correction code system for correcting additive errors and synchronization slips
JP2670201B2 (ja) 1991-08-30 1997-10-29 富士写真フイルム株式会社 画像データ圧縮符号化装置および方法
JP2586260B2 (ja) 1991-10-22 1997-02-26 三菱電機株式会社 適応的ブロッキング画像符号化装置
JP3134424B2 (ja) 1991-10-31 2001-02-13 ソニー株式会社 可変長符号化方法及び装置
US5227878A (en) 1991-11-15 1993-07-13 At&T Bell Laboratories Adaptive coding and decoding of frames and fields of video
JP2812446B2 (ja) 1991-11-21 1998-10-22 三洋電機株式会社 画像符号化方式
EP0547696B1 (de) 1991-12-18 1999-04-21 Laboratoires D'electronique Philips S.A.S. System zum Übertragen und/oder Speichern von Signalen von texturierten Bildern
JPH07502632A (ja) 1991-12-23 1995-03-16 インテル コーポレイシヨン ハフマンコードの復号化のための回路
JPH05199422A (ja) 1992-01-20 1993-08-06 Fujitsu General Ltd 画像伝送装置
US6680975B1 (en) 1992-02-29 2004-01-20 Samsung Electronics Co., Ltd. Signal encoding and decoding system and method
EP0559348A3 (de) 1992-03-02 1993-11-03 AT&T Corp. Rateurregelschleifenprozessor für einen wahrnehmungsgebundenen Koder/Dekoder
CA2090052C (en) 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Method and apparatus for the perceptual coding of audio signals
US5227788A (en) 1992-03-02 1993-07-13 At&T Bell Laboratories Method and apparatus for two-component signal compression
KR950010913B1 (ko) 1992-07-23 1995-09-25 삼성전자주식회사 가변장부호화 및 복호화시스템
US5714950A (en) 1992-07-23 1998-02-03 Samsung Electronics Co., Ltd. System for variable-length-coding and variable-length-decoding digitaldata
JP3348310B2 (ja) 1992-09-28 2002-11-20 ソニー株式会社 動画像符号化方法および動画像符号化装置
AU668762B2 (en) 1992-10-07 1996-05-16 Nec Personal Computers, Ltd Synchronous compression and reconstruction system
US5982437A (en) 1992-10-26 1999-11-09 Sony Corporation Coding method and system, and decoding method and system
JP2959916B2 (ja) 1992-10-28 1999-10-06 松下電器産業株式会社 デジタル・ビデオ・コーダ用のバーサタイルなエスケープ・ラン・レベル・コーダ
KR0166722B1 (ko) 1992-11-30 1999-03-20 윤종용 부호화 및 복호화방법 및 그 장치
US5367629A (en) 1992-12-18 1994-11-22 Sharevision Technology, Inc. Digital video compression system utilizing vector adaptive transform
US5467134A (en) 1992-12-22 1995-11-14 Microsoft Corporation Method and system for compressing video data
US5535305A (en) 1992-12-31 1996-07-09 Apple Computer, Inc. Sub-partitioned vector quantization of probability density functions
US5400075A (en) 1993-01-13 1995-03-21 Thomson Consumer Electronics, Inc. Adaptive variable length encoder/decoder
JPH06217110A (ja) 1993-01-20 1994-08-05 Process Shizai Kk 画像変換方法
US5544286A (en) 1993-01-29 1996-08-06 Microsoft Corporation Digital video data compression technique
TW224553B (en) 1993-03-01 1994-06-01 Sony Co Ltd Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture
US5376968A (en) 1993-03-11 1994-12-27 General Instrument Corporation Adaptive compression of digital video data using different modes such as PCM and DPCM
US5408234A (en) 1993-04-30 1995-04-18 Apple Computer, Inc. Multi-codebook coding process
CN1038089C (zh) 1993-05-31 1998-04-15 索尼公司 信号编码或译码装置及信号编码或译码方法
US5664057A (en) 1993-07-07 1997-09-02 Picturetel Corporation Fixed bit rate speech encoder/decoder
KR0155784B1 (ko) 1993-12-16 1998-12-15 김광호 영상데이타의 적응형 가변장 부호화/복호화방법
KR970009408B1 (ko) 1994-01-18 1997-06-13 대우전자 주식회사 인터/인트라 테이블 선택 회로
JP3277677B2 (ja) 1994-04-01 2002-04-22 ソニー株式会社 信号符号化方法及び装置、信号記録媒体、信号伝送方法、並びに信号復号化方法及び装置
US5504591A (en) 1994-04-25 1996-04-02 Microsoft Corporation System and method for compressing graphic images
US5457495A (en) 1994-05-25 1995-10-10 At&T Ipm Corp. Adaptive video coder with dynamic bit allocation
US5748786A (en) 1994-09-21 1998-05-05 Ricoh Company, Ltd. Apparatus for compression using reversible embedded wavelets
US5881176A (en) 1994-09-21 1999-03-09 Ricoh Corporation Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
US6195465B1 (en) 1994-09-21 2001-02-27 Ricoh Company, Ltd. Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US6141446A (en) 1994-09-21 2000-10-31 Ricoh Company, Ltd. Compression and decompression system with reversible wavelets and lossy reconstruction
US5568167A (en) 1994-09-23 1996-10-22 C-Cube Microsystems, Inc. System for providing antialiased video overlays
JP3474005B2 (ja) 1994-10-13 2003-12-08 沖電気工業株式会社 動画像符号化方法及び動画像復号方法
JPH08116263A (ja) 1994-10-17 1996-05-07 Fujitsu Ltd データ処理装置及びデータ処理方法
US5802213A (en) 1994-10-18 1998-09-01 Intel Corporation Encoding video signals using local quantization levels
WO1996014695A1 (en) 1994-11-04 1996-05-17 Philips Electronics N.V. Encoding and decoding of a wideband digital information signal
US5473376A (en) 1994-12-01 1995-12-05 Motorola, Inc. Method and apparatus for adaptive entropy encoding/decoding of quantized transform coefficients in a video compression system
JPH08167852A (ja) 1994-12-13 1996-06-25 Fujitsu Ltd データ圧縮方法及び装置
US5654702A (en) 1994-12-16 1997-08-05 National Semiconductor Corp. Syntax-based arithmetic coding for low bit rate videophone
JP3371590B2 (ja) 1994-12-28 2003-01-27 ソニー株式会社 高能率符号化方法及び高能率復号化方法
JP2951861B2 (ja) 1994-12-28 1999-09-20 シャープ株式会社 画像符号化装置及び画像復号装置
JPH08190764A (ja) 1995-01-05 1996-07-23 Sony Corp ディジタル信号処理方法、ディジタル信号処理装置及び記録媒体
JPH08205169A (ja) 1995-01-20 1996-08-09 Matsushita Electric Ind Co Ltd 動画像符号化装置及び復号装置
JP3238854B2 (ja) * 1995-02-21 2001-12-17 富士通株式会社 データ圧縮方法及びデータ圧縮装置、並びにデータ復元方法及びデータ復元装置
US5574449A (en) 1995-02-24 1996-11-12 Intel Corporation Signal processing with hybrid variable-length and entropy encodidng
US5991451A (en) 1995-03-23 1999-11-23 Intel Corporation Variable-length encoding using code swapping
US5884269A (en) 1995-04-17 1999-03-16 Merging Technologies Lossless compression/decompression of digital audio data
US5864711A (en) 1995-07-05 1999-01-26 Microsoft Corporation System for determining more accurate translation between first and second translator, and providing translated data to second computer if first translator is more accurate
US5825830A (en) 1995-08-17 1998-10-20 Kopf; David A. Method and apparatus for the compression of audio, video or other data
US5825929A (en) 1995-10-05 1998-10-20 Microsoft Corporation Transformation block optimization method
US5819215A (en) 1995-10-13 1998-10-06 Dobson; Kurt Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data
US5889891A (en) 1995-11-21 1999-03-30 Regents Of The University Of California Universal codebook vector quantization with constrained storage
JP3283413B2 (ja) 1995-11-30 2002-05-20 株式会社日立製作所 符号化復号方法、符号化装置および復号装置
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JPH09162748A (ja) 1995-12-01 1997-06-20 Fujitsu Ltd データ符号化方法、データ復号方法、データ圧縮装置、データ復元装置、及びデータ圧縮・復元システム
US5831559A (en) 1996-01-24 1998-11-03 Intel Corporation Encoding/decoding video signals using multiple run-val mapping tables
US6957350B1 (en) 1996-01-30 2005-10-18 Dolby Laboratories Licensing Corporation Encrypted and watermarked temporal and resolution layering in advanced television
US5675332A (en) * 1996-02-01 1997-10-07 Samsung Electronics Co., Ltd. Plural-step chunk-at-a-time decoder for variable-length codes of Huffman type
US5682152A (en) 1996-03-19 1997-10-28 Johnson-Grace Company Data compression using adaptive bit allocation and hybrid lossless entropy encoding
US5812971A (en) 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US6215910B1 (en) 1996-03-28 2001-04-10 Microsoft Corporation Table-based compression with embedded coding
US5850482A (en) 1996-04-17 1998-12-15 Mcdonnell Douglas Corporation Error resilient method and apparatus for entropy coding
CN1183769C (zh) 1996-05-28 2005-01-05 松下电器产业株式会社 图像预测编码/解码装置和方法以及记录媒体
JPH11512271A (ja) 1996-06-28 1999-10-19 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 2語ビット流分節式高性能可変長復号器および関連復号方法
WO1998000977A1 (en) 1996-07-03 1998-01-08 Motorola Inc. Method and apparatus for bound-based adaptive entropy encoding/decoding
DE19628292B4 (de) 1996-07-12 2007-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
DE19628293C1 (de) 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
JP3318825B2 (ja) 1996-08-20 2002-08-26 ソニー株式会社 デジタル信号符号化処理方法、デジタル信号符号化処理装置、デジタル信号記録方法、デジタル信号記録装置、記録媒体、デジタル信号伝送方法及びデジタル信号伝送装置
US5828426A (en) 1996-08-20 1998-10-27 Samsung Electronics Co., Ltd. Apparatus for decoding variable length coded data of both MPEG-1 and MPEG-2 standards
US5734340A (en) * 1996-08-27 1998-03-31 Symantech Corporation Method and apparatus for storing run-intensive information in compact form
US6233017B1 (en) 1996-09-16 2001-05-15 Microsoft Corporation Multimedia compression system with adaptive block sizes
US5748789A (en) 1996-10-31 1998-05-05 Microsoft Corporation Transparent block skipping in object-based video coding systems
DE69720559T2 (de) 1996-11-06 2004-02-12 Matsushita Electric Industrial Co., Ltd., Kadoma Methode zur Bildkodierung mit Kodes variabler Länge
KR100684051B1 (ko) 1996-11-07 2007-07-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 비트스트림신호의데이터처리
ES2203788T3 (es) 1996-11-11 2004-04-16 Koninklijke Philips Electronics N.V. Compresion/expansion de datos mediante un codificador/decodificador de rice.
US5903231A (en) * 1996-12-16 1999-05-11 Vidicast Ltd. System for encoding base N data using a multi-level coding scheme
JP3484310B2 (ja) 1997-01-17 2004-01-06 松下電器産業株式会社 可変長符号器
NL1005084C2 (nl) 1997-01-24 1998-07-27 Oce Tech Bv Werkwijze voor het uitvoeren van een beeldbewerkingsoperatie op looplengte gecodeerde bitmaps.
JP3534577B2 (ja) 1997-07-23 2004-06-07 日本電信電話株式会社 情報多重化方法、情報抽出方法及びそれらの装置
US6038536A (en) 1997-01-31 2000-03-14 Texas Instruments Incorporated Data compression using bit change statistics
US6272175B1 (en) 1997-02-13 2001-08-07 Conexant Systems, Inc. Video signal coding systems and processes using adaptive quantization
JPH10229340A (ja) 1997-02-14 1998-08-25 Nec Corp サブバンド信号およびウエーブレット変換係数の符号化復号方式
US6005980A (en) 1997-03-07 1999-12-21 General Instrument Corporation Motion estimation and compensation of video object planes for interlaced digital video
US5974184A (en) 1997-03-07 1999-10-26 General Instrument Corporation Intra-macroblock DC and AC coefficient prediction for interlaced digital video
FI114248B (fi) 1997-03-14 2004-09-15 Nokia Corp Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
US6728775B1 (en) 1997-03-17 2004-04-27 Microsoft Corporation Multiple multicasting of multimedia streams
US6009387A (en) 1997-03-20 1999-12-28 International Business Machines Corporation System and method of compression/decompressing a speech signal by using split vector quantization and scalar quantization
US6404813B1 (en) 1997-03-27 2002-06-11 At&T Corp. Bidirectionally predicted pictures or video object planes for efficient and flexible video coding
US6259810B1 (en) 1997-04-15 2001-07-10 Microsoft Corporation Method and system of decoding compressed image data
US5883633A (en) 1997-04-15 1999-03-16 Microsoft Corporation Method and system of variable run length image encoding using sub-palette
JP3410629B2 (ja) 1997-05-21 2003-05-26 シャープ株式会社 可変長符号化回路及び可変長符号化方法
US6580834B2 (en) 1997-05-30 2003-06-17 Competitive Technologies Of Pa, Inc. Method and apparatus for encoding and decoding signals
JP3960629B2 (ja) * 1997-07-11 2007-08-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 可変長符号器を使用する伝送システム
DE19730129C2 (de) 1997-07-14 2002-03-07 Fraunhofer Ges Forschung Verfahren zum Signalisieren einer Rauschsubstitution beim Codieren eines Audiosignals
DE19730130C2 (de) 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
US6421738B1 (en) 1997-07-15 2002-07-16 Microsoft Corporation Method and system for capturing and encoding full-screen video graphics
JP3884172B2 (ja) 1997-10-02 2007-02-21 株式会社東芝 可変長復号化装置および復号化方法
EP2094013B1 (de) 1997-10-23 2011-06-15 Mitsubishi Denki Kabushiki Kaisha Vorrichtung und Verfahren zur Bilddekodierung
WO1999022525A1 (en) 1997-10-23 1999-05-06 Mitsubishi Denki Kabushiki Kaisha Image encoding method, image encoder, image decoding method, and image decoder
JPH11161782A (ja) 1997-11-27 1999-06-18 Seiko Epson Corp カラー画像の符号化方法およびその符号化装置ならびにカラー画像の復号化方法およびその復号化装置
US6111914A (en) 1997-12-01 2000-08-29 Conexant Systems, Inc. Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes
US5946043A (en) 1997-12-31 1999-08-31 Microsoft Corporation Video coding using adaptive coding of block parameters for coded/uncoded blocks
US6226407B1 (en) 1998-03-18 2001-05-01 Microsoft Corporation Method and apparatus for analyzing computer screens
US6054943A (en) 1998-03-25 2000-04-25 Lawrence; John Clifton Multilevel digital information compression based on lawrence algorithm
US6408029B1 (en) 1998-04-02 2002-06-18 Intel Corporation Method and apparatus for simplifying real-time data encoding
AU4701999A (en) 1998-06-19 2000-01-05 Equator Technologies, Inc. Decoding an encoded image having a first resolution directly into a decoded image having a second resolution
JP3413720B2 (ja) 1998-06-26 2003-06-09 ソニー株式会社 画像符号化方法及び装置、並びに画像復号方法及び装置
US6253165B1 (en) * 1998-06-30 2001-06-26 Microsoft Corporation System and method for modeling probability distribution functions of transform coefficients of encoded signal
DE19840835C2 (de) 1998-09-07 2003-01-09 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Entropiecodieren von Informationswörtern und Vorrichtung und Verfahren zum Decodieren von Entropie-codierten Informationswörtern
JP3711762B2 (ja) 1998-09-16 2005-11-02 富士ゼロックス株式会社 画像符号化装置および方法
EP1119108A4 (de) 1998-10-06 2002-03-06 Matsushita Electric Ind Co Ltd Verfahren und vorrichtung zur verlustfreien kompressionskodierung und -dekodierung
US6233359B1 (en) 1998-10-29 2001-05-15 Seiko Epson Corporation File size bounded JPEG transcoder (FSBJT)
US6223162B1 (en) * 1998-12-14 2001-04-24 Microsoft Corporation Multi-level run length coding for frequency-domain audio coding
US6404931B1 (en) 1998-12-14 2002-06-11 Microsoft Corporation Code book construction for variable to variable length entropy encoding
US6377930B1 (en) 1998-12-14 2002-04-23 Microsoft Corporation Variable to variable length entropy encoding
US6300888B1 (en) 1998-12-14 2001-10-09 Microsoft Corporation Entrophy code mode switching for frequency-domain audio coding
US6100825A (en) 1998-12-31 2000-08-08 Microsoft Corporation Cluster-based data compression system and method
JP3434260B2 (ja) 1999-03-23 2003-08-04 日本電信電話株式会社 オーディオ信号符号化方法及び復号化方法、これらの装置及びプログラム記録媒体
US6477280B1 (en) 1999-03-26 2002-11-05 Microsoft Corporation Lossless adaptive encoding of finite alphabet data
ATE272925T1 (de) 1999-03-26 2004-08-15 Microsoft Corp Bildcodierung unter verwendung einer umordnung von wavelet-koeffizienten
US6678419B1 (en) 1999-03-26 2004-01-13 Microsoft Corporation Reordering wavelet coefficients for improved encoding
US7050503B2 (en) 1999-04-17 2006-05-23 Pts Corporation Segment-based encoding system using residue coding by basis function coefficients
JP3323175B2 (ja) 1999-04-20 2002-09-09 松下電器産業株式会社 符号化装置
US6573915B1 (en) 1999-12-08 2003-06-03 International Business Machines Corporation Efficient capture of computer screens
US6771824B1 (en) 1999-12-28 2004-08-03 Lucent Technologies Inc. Adaptive variable length decoding method
JP3419371B2 (ja) 1999-12-28 2003-06-23 松下電器産業株式会社 符号長計算装置、及び符号化装置
US6567781B1 (en) 1999-12-30 2003-05-20 Quikcat.Com, Inc. Method and apparatus for compressing audio data using a dynamical system having a multi-state dynamical rule set and associated transform basis function
JP3603000B2 (ja) 2000-02-01 2004-12-15 カネボウ株式会社 ハフマン符号化装置、ハフマン符号化方法およびハフマン符号化処理プログラムを記録した記録媒体
US6552673B2 (en) 2000-02-25 2003-04-22 Texas Instruments Incorporated Efficient table access for reversible variable length code decoding using a hash function
US6771828B1 (en) 2000-03-03 2004-08-03 Microsoft Corporation System and method for progessively transform coding digital data
WO2001091470A1 (en) 2000-05-23 2001-11-29 Matsushita Electric Industrial Co., Ltd. Variable length encoding method and variable length encoder
US6542863B1 (en) 2000-06-14 2003-04-01 Intervideo, Inc. Fast codebook search method for MPEG audio encoding
US6373411B1 (en) 2000-08-31 2002-04-16 Agere Systems Guardian Corp. Method and apparatus for performing variable-size vector entropy coding
JP4508490B2 (ja) 2000-09-11 2010-07-21 パナソニック株式会社 符号化装置および復号化装置
US6961685B2 (en) 2000-09-19 2005-11-01 Sy Bon K Probability model selection using information-theoretic optimization criterion
US6931068B2 (en) * 2000-10-24 2005-08-16 Eyeball Networks Inc. Three-dimensional wavelet-based scalable video compression
US6735339B1 (en) 2000-10-27 2004-05-11 Dolby Laboratories Licensing Corporation Multi-stage encoding of signal components that are classified according to component value
US6373412B1 (en) 2000-12-15 2002-04-16 International Business Machines Corporation Fast JPEG huffman encoding and decoding
JP3580251B2 (ja) 2000-12-27 2004-10-20 日本電気株式会社 データ圧縮装置及び圧縮方法並びにその制御プログラムを記録した記録媒体
US7274671B2 (en) 2001-02-09 2007-09-25 Boly Media Communications, Inc. Bitwise adaptive encoding using prefix prediction
CN100456640C (zh) * 2001-06-07 2009-01-28 日本胜利株式会社 调制和解调方法与装置、信息传输方法和装置
US6650784B2 (en) 2001-07-02 2003-11-18 Qualcomm, Incorporated Lossless intraframe encoding using Golomb-Rice
US6587057B2 (en) 2001-07-25 2003-07-01 Quicksilver Technology, Inc. High performance memory efficient variable-length coding decoder
US20030033143A1 (en) 2001-08-13 2003-02-13 Hagai Aronowitz Decreasing noise sensitivity in speech processing under adverse conditions
US6856701B2 (en) 2001-09-14 2005-02-15 Nokia Corporation Method and system for context-based adaptive binary arithmetic coding
US6959116B2 (en) 2001-09-18 2005-10-25 Emc Corporation Largest magnitude indices selection for (run, level) encoding of a block coded picture
KR100921032B1 (ko) 2001-11-22 2009-10-08 파나소닉 주식회사 블럭 이미지의 양자화 계수의 부호화 방법 및 장치
US6825847B1 (en) 2001-11-30 2004-11-30 Nvidia Corporation System and method for real-time compression of pixel colors
US7165028B2 (en) 2001-12-12 2007-01-16 Texas Instruments Incorporated Method of speech recognition resistant to convolutive distortion and additive distortion
US6934677B2 (en) * 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7027982B2 (en) * 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
CN101448162B (zh) 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
KR100468844B1 (ko) 2002-01-07 2005-01-29 삼성전자주식회사 정지영상 및 동영상을 부호화/복호화하기 위한변환계수들의 최적주사방법
US7155065B1 (en) 2002-03-27 2006-12-26 Microsoft Corporation System and method for progressively transforming and coding digital data
US7139703B2 (en) 2002-04-05 2006-11-21 Microsoft Corporation Method of iterative noise estimation in a recursive framework
US6653955B1 (en) 2002-05-09 2003-11-25 Lsi Logic Corporation Multi-symbol variable length code decoder
GB2388502A (en) 2002-05-10 2003-11-12 Chris Dunn Compression of frequency domain audio signals
US7016547B1 (en) 2002-06-28 2006-03-21 Microsoft Corporation Adaptive entropy encoding/decoding for screen capture content
KR100846778B1 (ko) 2002-07-16 2008-07-16 삼성전자주식회사 복수개의 주사 패턴을 이용한 부호화 방법, 복호화 방법,및 그 장치
DE10236694A1 (de) 2002-08-09 2004-02-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren
US7536305B2 (en) * 2002-09-04 2009-05-19 Microsoft Corporation Mixed lossless audio compression
US7433824B2 (en) 2002-09-04 2008-10-07 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
US7299190B2 (en) * 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
US7424434B2 (en) 2002-09-04 2008-09-09 Microsoft Corporation Unified lossy and lossless audio compression
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
DE20321883U1 (de) * 2002-09-04 2012-01-20 Microsoft Corp. Computervorrichtung und -system zum Entropiedecodieren quantisierter Transformationskoeffizienten eines Blockes
US7328150B2 (en) 2002-09-04 2008-02-05 Microsoft Corporation Innovations in pure lossless audio compression
US6795584B2 (en) 2002-10-03 2004-09-21 Nokia Corporation Context-based adaptive variable length coding for adaptive block transforms
US20040136457A1 (en) 2002-10-23 2004-07-15 John Funnell Method and system for supercompression of compressed digital video
US6646578B1 (en) 2002-11-22 2003-11-11 Ub Video Inc. Context adaptive variable length decoding system and method
US7403561B2 (en) 2003-04-04 2008-07-22 Avid Technology, Inc. Fixed bit rate, intraframe compression and decompression of video
US7324927B2 (en) 2003-07-03 2008-01-29 Robert Bosch Gmbh Fast feature selection method and system for maximum entropy modeling
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
CN1214649C (zh) * 2003-09-18 2005-08-10 中国科学院计算技术研究所 用于视频预测残差系数编码的熵编码方法
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
US7454076B2 (en) * 2004-06-15 2008-11-18 Cisco Technology, Inc. Hybrid variable length coding method for low bit rate video coding
US7852916B2 (en) 2004-06-27 2010-12-14 Apple Inc. Efficient use of storage in encoding and decoding video data streams
KR100668302B1 (ko) 2004-07-28 2007-01-12 삼성전자주식회사 비디오 디코더/엔코더에서의 메모리 맵핑 장치 및 그 방법
KR100664932B1 (ko) 2004-10-21 2007-01-04 삼성전자주식회사 비디오 코딩 방법 및 장치
US7809064B2 (en) 2004-11-15 2010-10-05 Industrial Technology Research Institute Systems and methods of flexible power management applicable to digital broadcasting
US20060176959A1 (en) 2005-02-07 2006-08-10 Paul Lu Method and system for encoding variable length code (VLC) in a microprocessor
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
US7265691B2 (en) 2005-06-23 2007-09-04 1Stworks Corporation Modeling for enumerative encoding
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US7693709B2 (en) * 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
US7546240B2 (en) * 2005-07-15 2009-06-09 Microsoft Corporation Coding with improved time resolution for selected segments via adaptive block transformation of a group of samples from a subband decomposition
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US7684981B2 (en) * 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
US7372378B2 (en) 2005-12-01 2008-05-13 Nvidia Corporation Efficient decoding of n-tuple variable bit length symbols
JP2007300389A (ja) 2006-04-28 2007-11-15 Victor Co Of Japan Ltd 画像符号化装置および画像符号化プログラム
US9070178B2 (en) 2006-08-11 2015-06-30 Siemens Product Lifecycle Management Software Inc. Method and system for organizing topology elements for better compression
US7756350B2 (en) 2006-11-13 2010-07-13 Global Ip Solutions, Inc. Lossless encoding and decoding of digital data
US7761290B2 (en) * 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US20080317364A1 (en) 2007-06-25 2008-12-25 Augusta Technology, Inc. Methods for determining neighboring locations for partitions of a video stream
US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
DE102010036672B4 (de) 2010-07-28 2022-12-08 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Cabriolet-Fahrzeug
US8278779B2 (en) 2011-02-07 2012-10-02 General Electric Company System and method for providing redundant power to a device

Also Published As

Publication number Publication date
US9390720B2 (en) 2016-07-12
EP2267698A1 (de) 2010-12-29
US8712783B2 (en) 2014-04-29
US20080228476A1 (en) 2008-09-18
ES2378462T3 (es) 2012-04-12
HK1154302A1 (en) 2012-04-13
EP2006840B1 (de) 2012-07-04
ES2297083T3 (es) 2008-05-01
ATE543178T1 (de) 2012-02-15
EP2282310A1 (de) 2011-02-09
HK1152790A1 (en) 2012-03-09
EP1734511B1 (de) 2009-11-18
ES2334934T3 (es) 2010-03-17
EP1400954A2 (de) 2004-03-24
EP2006840A1 (de) 2008-12-24
DK2282310T3 (da) 2012-02-20
EP1734511A3 (de) 2007-06-20
DK1400954T3 (da) 2008-03-31
ATE543179T1 (de) 2012-02-15
EP1400954A3 (de) 2005-02-02
US20080262855A1 (en) 2008-10-23
DE60330198D1 (de) 2009-12-31
US20140229186A1 (en) 2014-08-14
EP1734511A2 (de) 2006-12-20
PT2282310E (pt) 2012-04-13
US7822601B2 (en) 2010-10-26
US8090574B2 (en) 2012-01-03
EP1400954B1 (de) 2007-12-12
DE60317982T2 (de) 2008-04-10
EP2282310B1 (de) 2012-01-25
ATE449405T1 (de) 2009-12-15
DE20321883U1 (de) 2012-01-20
ES2388942T3 (es) 2012-10-19
ATE381090T1 (de) 2007-12-15
EP2267698B1 (de) 2012-01-25
US20110035225A1 (en) 2011-02-10
US20120069899A1 (en) 2012-03-22
US7840403B2 (en) 2010-11-23

Similar Documents

Publication Publication Date Title
DE60317982D1 (de) Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus
SG157954A1 (en) Dct compression using golomb-rice coding
DE60226308D1 (de) Quantisierung der Anregung in einem Geräuschrückkopplungskodierungssytem mit allgemeiner Rauschformung
AR113525A1 (es) Aparato y método para codificar o decodificar parámetros de codificación de audio direccional utilizando cuantificación y codificación entrópica
BR0317652A (pt) Método e dispositivo para quantizar os parâmetros de predição linear na codificação do sinal do som a uma taxa de bit variável, e, método e dispositivo para dês-quantizar os parâmetros de predição linear na decodificação do sinal do som a uma taxa de bit variável
ATE470219T1 (de) Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms
DK1413139T3 (da) Fremgangsmåde til kodning og dekodning med variabel længde
DE602005018346D1 (de) Unterstützung eines Wechsels zwischen Audiocodierer-Betriebsarten
ATE458356T1 (de) Videokodierung
ATE358317T1 (de) Mehrkanal-signalcodierung und -decodierung
DE60304033D1 (de) Übertragungssystem
ATE459868T1 (de) Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms
SE0400417L (sv) Naturtrogenhetsoptimerad kodning med variabel ramlängd
DE60121592D1 (de) Kodierung und dekodierung eines digitalen signals
BR0205954A (pt) Método de codificação de imagem, método de decodificação de imagem e aparelhos para os mesmos
DE602004012600D1 (de) Transcodierung zwischen den indizes von mehrimpuls-wörterbüchern zur codierung bei der digitalen signalkomprimierung
ATE555470T1 (de) Toncodiereinrichtung und toncodierverfahren
TW200627399A (en) A coder and a method of coding for codes having the constraints of d=1 in combination with r=2
DE602006003233D1 (de) Skalierbares arithmetisches Audiodatendekodierverfahren, Medium und Vorrichtung
WO2002023530A3 (en) Quantization of spectral sequences for audio signal coding
Wang Speech coding
TW200612673A (en) Encoding/decoding apparatus and its method of quantization of a random step number
KR950030491A (ko) 부호화기
TW200733062A (en) Signal coding and decoding based on spectral dynamics
TW200518479A (en) A method of safety-encoding a music file

Legal Events

Date Code Title Description
8364 No opposition during term of opposition