JP3707153B2 - ベクトル量子化方法、音声符号化方法及び装置 - Google Patents

ベクトル量子化方法、音声符号化方法及び装置 Download PDF

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Publication number
JP3707153B2
JP3707153B2 JP25161496A JP25161496A JP3707153B2 JP 3707153 B2 JP3707153 B2 JP 3707153B2 JP 25161496 A JP25161496 A JP 25161496A JP 25161496 A JP25161496 A JP 25161496A JP 3707153 B2 JP3707153 B2 JP 3707153B2
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Japan
Prior art keywords
vector
code
codebook
quantization
input
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Expired - Fee Related
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JP25161496A
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English (en)
Japanese (ja)
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JPH1097298A (ja
Inventor
正之 西口
和幸 飯島
淳 松本
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Sony Corp
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Sony Corp
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Priority to JP25161496A priority Critical patent/JP3707153B2/ja
Priority to US08/927,534 priority patent/US6611800B1/en
Priority to TW086113292A priority patent/TW360859B/zh
Priority to IDP973231A priority patent/ID18313A/id
Priority to MYPI97004420A priority patent/MY120520A/en
Priority to EP97307422A priority patent/EP0831457B1/en
Priority to KR1019970048321A priority patent/KR100543982B1/ko
Priority to DE69726525T priority patent/DE69726525T2/de
Priority to CNB971260788A priority patent/CN1145142C/zh
Publication of JPH1097298A publication Critical patent/JPH1097298A/ja
Application granted granted Critical
Publication of JP3707153B2 publication Critical patent/JP3707153B2/ja
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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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP25161496A 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 Expired - Fee Related JP3707153B2 (ja)

Priority Applications (9)

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
US08/927,534 US6611800B1 (en) 1996-09-24 1997-09-11 Vector quantization method and speech encoding method and apparatus
TW086113292A TW360859B (en) 1996-09-24 1997-09-12 Vector quantization method and speech encoding method and apparatus
IDP973231A ID18313A (id) 1996-09-24 1997-09-18 Metoda pengukur vektor dan metoda penulis sandi cara berbicara dan peralatan
MYPI97004420A MY120520A (en) 1996-09-24 1997-09-23 Vector quantization method and speech encoding method and apparatus
EP97307422A EP0831457B1 (en) 1996-09-24 1997-09-23 Vector quantization method and speech encoding method and apparatus
KR1019970048321A KR100543982B1 (ko) 1996-09-24 1997-09-23 벡터양자화방법,음성부호화방법및장치
DE69726525T DE69726525T2 (de) 1996-09-24 1997-09-23 Verfahren und Vorrichtung zur Vektorquantisierung und zur Sprachkodierung
CNB971260788A CN1145142C (zh) 1996-09-24 1997-09-24 矢量量化方法和语音编码方法及其装置

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 (2)

Publication Number Publication Date
JPH1097298A JPH1097298A (ja) 1998-04-14
JP3707153B2 true JP3707153B2 (ja) 2005-10-19

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JP25161496A Expired - Fee Related 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

Country Status (9)

Country Link
US (1) US6611800B1 (US06611800-20030826-M00077.png)
EP (1) EP0831457B1 (US06611800-20030826-M00077.png)
JP (1) JP3707153B2 (US06611800-20030826-M00077.png)
KR (1) KR100543982B1 (US06611800-20030826-M00077.png)
CN (1) CN1145142C (US06611800-20030826-M00077.png)
DE (1) DE69726525T2 (US06611800-20030826-M00077.png)
ID (1) ID18313A (US06611800-20030826-M00077.png)
MY (1) MY120520A (US06611800-20030826-M00077.png)
TW (1) TW360859B (US06611800-20030826-M00077.png)

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Also Published As

Publication number Publication date
ID18313A (id) 1998-03-26
EP0831457A2 (en) 1998-03-25
EP0831457B1 (en) 2003-12-03
KR100543982B1 (ko) 2006-07-21
JPH1097298A (ja) 1998-04-14
EP0831457A3 (en) 1998-12-16
US6611800B1 (en) 2003-08-26
DE69726525T2 (de) 2004-09-30
CN1188957A (zh) 1998-07-29
MY120520A (en) 2005-11-30
KR19980024885A (ko) 1998-07-06
CN1145142C (zh) 2004-04-07
DE69726525D1 (de) 2004-01-15
TW360859B (en) 1999-06-11

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