TW360859B - Vector quantization method and speech encoding method and apparatus - Google Patents

Vector quantization method and speech encoding method and apparatus

Info

Publication number
TW360859B
TW360859B TW086113292A TW86113292A TW360859B TW 360859 B TW360859 B TW 360859B TW 086113292 A TW086113292 A TW 086113292A TW 86113292 A TW86113292 A TW 86113292A TW 360859 B TW360859 B TW 360859B
Authority
TW
Taiwan
Prior art keywords
vector
code vectors
vector quantization
code
speech encoding
Prior art date
Application number
TW086113292A
Other languages
English (en)
Chinese (zh)
Inventor
Masayuki Nishiguchi
Kazuyuki Iijima
Jun Matsumoto
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of TW360859B publication Critical patent/TW360859B/zh

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Classifications

    • 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
TW086113292A 1996-09-24 1997-09-12 Vector quantization method and speech encoding method and apparatus TW360859B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
TW360859B true TW360859B (en) 1999-06-11

Family

ID=17225449

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086113292A TW360859B (en) 1996-09-24 1997-09-12 Vector quantization method and speech encoding method and apparatus

Country Status (9)

Country Link
US (1) US6611800B1 (US06611800-20030826-M00008.png)
EP (1) EP0831457B1 (US06611800-20030826-M00008.png)
JP (1) JP3707153B2 (US06611800-20030826-M00008.png)
KR (1) KR100543982B1 (US06611800-20030826-M00008.png)
CN (1) CN1145142C (US06611800-20030826-M00008.png)
DE (1) DE69726525T2 (US06611800-20030826-M00008.png)
ID (1) ID18313A (US06611800-20030826-M00008.png)
MY (1) MY120520A (US06611800-20030826-M00008.png)
TW (1) TW360859B (US06611800-20030826-M00008.png)

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US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7720230B2 (en) 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US7761304B2 (en) 2004-11-30 2010-07-20 Agere Systems Inc. Synchronizing parametric coding of spatial audio with externally provided downmix
US7805313B2 (en) 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
US7903824B2 (en) 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
US8204261B2 (en) 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US8340306B2 (en) 2004-11-30 2012-12-25 Agere Systems Llc Parametric coding of spatial audio with object-based side information

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ATE500588T1 (de) * 2008-01-04 2011-03-15 Dolby Sweden Ab Audiokodierer und -dekodierer
FR2931964A1 (fr) * 2008-06-02 2009-12-04 Centre Nat Rech Scient Procede de denombrement des vecteurs dans les reseaux reguliers de points.
CA2729751C (en) * 2008-07-10 2017-10-24 Voiceage Corporation Device and method for quantizing and inverse quantizing lpc filters in a super-frame
CN101430881B (zh) * 2008-11-10 2013-04-17 华为技术有限公司 一种编码、解码、编解码方法、编解码系统以及相关装置
CN102906812B (zh) * 2010-04-08 2016-08-10 Lg电子株式会社 处理音频信号的方法和装置
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CN103443856B (zh) 2011-03-04 2015-09-09 瑞典爱立信有限公司 音频编码中的后量化增益校正
PL2727106T3 (pl) * 2011-07-01 2020-03-31 Nokia Technologies Oy Wieloskalowe wyszukiwanie w książce kodów
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CN105745705B (zh) * 2013-10-18 2020-03-20 弗朗霍夫应用科学研究促进协会 编码和解码音频信号的编码器、解码器及相关方法
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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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7693721B2 (en) 2001-05-04 2010-04-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7941320B2 (en) 2001-05-04 2011-05-10 Agere Systems, Inc. Cue-based audio coding/decoding
US8200500B2 (en) 2001-05-04 2012-06-12 Agere Systems Inc. Cue-based audio coding/decoding
US7805313B2 (en) 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
US7720230B2 (en) 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US8204261B2 (en) 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US8238562B2 (en) 2004-10-20 2012-08-07 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US7761304B2 (en) 2004-11-30 2010-07-20 Agere Systems Inc. Synchronizing parametric coding of spatial audio with externally provided downmix
US8340306B2 (en) 2004-11-30 2012-12-25 Agere Systems Llc Parametric coding of spatial audio with object-based side information
US7903824B2 (en) 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio

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
KR100543982B1 (ko) 2006-07-21
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

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