KR100543982B1 - 벡터양자화방법,음성부호화방법및장치 - Google Patents

벡터양자화방법,음성부호화방법및장치 Download PDF

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Publication number
KR100543982B1
KR100543982B1 KR1019970048321A KR19970048321A KR100543982B1 KR 100543982 B1 KR100543982 B1 KR 100543982B1 KR 1019970048321 A KR1019970048321 A KR 1019970048321A KR 19970048321 A KR19970048321 A KR 19970048321A KR 100543982 B1 KR100543982 B1 KR 100543982B1
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South Korea
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vector
equation
codebook
weighted
code
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KR1019970048321A
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English (en)
Korean (ko)
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KR19980024885A (ko
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마사유끼 니시구찌
준 마쯔모또
가즈유끼 이이지마
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소니 가부시끼 가이샤
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    • 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
    • H03M7/3082—Vector coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0204—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 using subband decomposition
    • G10L19/0208—Subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
KR1019970048321A 1996-09-24 1997-09-23 벡터양자화방법,음성부호화방법및장치 KR100543982B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP96-251614 1996-09-24
JP25161496A JP3707153B2 (ja) 1996-09-24 1996-09-24 ベクトル量子化方法、音声符号化方法及び装置

Publications (2)

Publication Number Publication Date
KR19980024885A KR19980024885A (ko) 1998-07-06
KR100543982B1 true KR100543982B1 (ko) 2006-07-21

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KR1019970048321A KR100543982B1 (ko) 1996-09-24 1997-09-23 벡터양자화방법,음성부호화방법및장치

Country Status (9)

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US (1) US6611800B1 (US06611800-20030826-M00067.png)
EP (1) EP0831457B1 (US06611800-20030826-M00067.png)
JP (1) JP3707153B2 (US06611800-20030826-M00067.png)
KR (1) KR100543982B1 (US06611800-20030826-M00067.png)
CN (1) CN1145142C (US06611800-20030826-M00067.png)
DE (1) DE69726525T2 (US06611800-20030826-M00067.png)
ID (1) ID18313A (US06611800-20030826-M00067.png)
MY (1) MY120520A (US06611800-20030826-M00067.png)
TW (1) TW360859B (US06611800-20030826-M00067.png)

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JP6366705B2 (ja) * 2013-10-18 2018-08-01 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 確定的及びノイズ状情報を用いてオーディオ信号を符号化／復号化する概念
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JPH05204396A (ja) * 1992-01-24 1993-08-13 Hitachi Ltd 音声認識方法および装置
JPH07271397A (ja) * 1994-04-01 1995-10-20 Toshiba Corp 音声符号化装置
KR950035109A (ko) * 1994-05-27 1995-12-30 사토 후미오 벡터 양자화장치
KR960013082A (ko) * 1994-09-30 1996-04-20 사또 후미오 벡터양자화장치
JPH08185200A (ja) * 1994-12-28 1996-07-16 Nippon Telegr & Teleph Corp <Ntt> 重み付きベクトル量子化法

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JPH05204396A (ja) * 1992-01-24 1993-08-13 Hitachi Ltd 音声認識方法および装置
JPH07271397A (ja) * 1994-04-01 1995-10-20 Toshiba Corp 音声符号化装置
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Also Published As

Publication number Publication date
EP0831457A3 (en) 1998-12-16
CN1188957A (zh) 1998-07-29
JPH1097298A (ja) 1998-04-14
JP3707153B2 (ja) 2005-10-19
EP0831457B1 (en) 2003-12-03
EP0831457A2 (en) 1998-03-25
CN1145142C (zh) 2004-04-07
DE69726525D1 (de) 2004-01-15
KR19980024885A (ko) 1998-07-06
US6611800B1 (en) 2003-08-26
ID18313A (id) 1998-03-26
MY120520A (en) 2005-11-30
DE69726525T2 (de) 2004-09-30
TW360859B (en) 1999-06-11

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