KR100968057B1 - 부호화 방법 및 장치, 및 복호 방법 및 장치 - Google Patents

부호화 방법 및 장치, 및 복호 방법 및 장치 Download PDF

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Publication number
KR100968057B1
KR100968057B1 KR20047000176A KR20047000176A KR100968057B1 KR 100968057 B1 KR100968057 B1 KR 100968057B1 KR 20047000176 A KR20047000176 A KR 20047000176A KR 20047000176 A KR20047000176 A KR 20047000176A KR 100968057 B1 KR100968057 B1 KR 100968057B1
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South Korea
Prior art keywords
code string
encoding
group
string table
digital signal
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Korean (ko)
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KR20040103889A (ko
Inventor
토우야마케이수케
스즈끼시로
쯔지미노루
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소니 주식회사
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR20047000176A 2002-05-07 2003-04-30 부호화 방법 및 장치, 및 복호 방법 및 장치 Expired - Fee Related KR100968057B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002132189A JP3900000B2 (ja) 2002-05-07 2002-05-07 符号化方法及び装置、復号方法及び装置、並びにプログラム
JPJP-P-2002-00132189 2002-05-07
PCT/JP2003/005546 WO2003096545A1 (fr) 2002-05-07 2003-04-30 Procede et dispositif de codage, ainsi que procede et dispositif de decodage

Publications (2)

Publication Number Publication Date
KR20040103889A KR20040103889A (ko) 2004-12-09
KR100968057B1 true KR100968057B1 (ko) 2010-07-08

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Country Status (6)

Country Link
US (1) US6930618B2 (enExample)
EP (1) EP1503502B1 (enExample)
JP (1) JP3900000B2 (enExample)
KR (1) KR100968057B1 (enExample)
CN (1) CN100355210C (enExample)
WO (1) WO2003096545A1 (enExample)

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KR100677378B1 (ko) * 2004-11-02 2007-02-02 엘지전자 주식회사 Ｗｃｄｍａ 단말기의 영상 통화 데이터 인코딩 방법
CN100539437C (zh) * 2005-07-29 2009-09-09 上海杰得微电子有限公司 一种音频编解码器的实现方法
JP4907179B2 (ja) * 2006-01-27 2012-03-28 株式会社 日立ディスプレイズ 表示装置
CN1831940B (zh) * 2006-04-07 2010-06-23 安凯(广州)微电子技术有限公司 基于音频解码器的音调和节奏调节方法
US7852197B2 (en) * 2007-06-08 2010-12-14 Sensomatic Electronics, LLC System and method for inhibiting detection of deactivated labels using detection filters having an adaptive threshold
KR101282193B1 (ko) * 2009-11-10 2013-07-04 한국전자통신연구원 칼만 필터와 ｆｉｒ 필터를 사용한 동영상 인코더에서의 비트율 제어 방법
KR101668093B1 (ko) * 2010-06-17 2016-10-21 삼성전자주식회사 데이터 인코딩 및 디코딩 방법 및 장치
KR101383775B1 (ko) * 2011-05-20 2014-04-14 주식회사 케이티 화면 내 예측 방법 및 장치
US8610606B2 (en) 2011-11-24 2013-12-17 International Business Machines Corporation Compression algorithm incorporating dynamic selection of a predefined huffman dictionary
US8610604B2 (en) 2011-11-24 2013-12-17 International Business Machines Corporation Compression algorithm incorporating a feedback loop for dynamic selection of a predefined Huffman dictionary
US8542135B2 (en) 2011-11-24 2013-09-24 International Business Machines Corporation Compression algorithm incorporating automatic generation of a bank of predefined huffman dictionaries
CN104041054A (zh) 2012-01-17 2014-09-10 索尼公司 编码设备及编码方法、解码设备及解码方法以及程序
CN104321815B (zh) 2012-03-21 2018-10-16 三星电子株式会社 用于带宽扩展的高频编码/高频解码方法和设备
US8593308B1 (en) 2012-05-31 2013-11-26 International Business Machines Corporation Method of accelerating dynamic Huffman decompaction within the inflate algorithm
KR102070622B1 (ko) * 2012-11-23 2020-01-29 삼성전자주식회사 동영상을 위한 양자화 테이블 추정 방법 및 장치
JP6243540B2 (ja) * 2013-09-16 2017-12-06 サムスン エレクトロニクス カンパニー リミテッド スペクトル符号化方法及びスペクトル復号化方法
WO2016013161A1 (ja) * 2014-07-24 2016-01-28 株式会社ソシオネクスト 信号処理装置及び信号処理方法
JP7368932B2 (ja) * 2017-12-28 2023-10-25 日本ルメンタム株式会社 光モジュール及び光伝送装置

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US4862167A (en) * 1987-02-24 1989-08-29 Hayes Microcomputer Products, Inc. Adaptive data compression method and apparatus
DE69230922T2 (de) * 1991-01-17 2000-11-30 Mitsubishi Denki K.K., Tokio/Tokyo Videosignalkodierer mit Blockvertauschungstechnik
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Also Published As

Publication number Publication date
EP1503502A4 (en) 2005-12-14
JP2003324355A (ja) 2003-11-14
JP3900000B2 (ja) 2007-03-28
KR20040103889A (ko) 2004-12-09
CN1524348A (zh) 2004-08-25
US20040164882A1 (en) 2004-08-26
US6930618B2 (en) 2005-08-16
CN100355210C (zh) 2007-12-12
EP1503502A1 (en) 2005-02-02
EP1503502B1 (en) 2011-09-28
WO2003096545A1 (fr) 2003-11-20

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