DK1514355T3 - Fremgangsmåde og system til multi-rate gittervektorkvantificering af et signal - Google Patents

Fremgangsmåde og system til multi-rate gittervektorkvantificering af et signal

Info

Publication number
DK1514355T3
DK1514355T3 DK03727093T DK03727093T DK1514355T3 DK 1514355 T3 DK1514355 T3 DK 1514355T3 DK 03727093 T DK03727093 T DK 03727093T DK 03727093 T DK03727093 T DK 03727093T DK 1514355 T3 DK1514355 T3 DK 1514355T3
Authority
DK
Denmark
Prior art keywords
lattice
codebook
quantization
rate
base
Prior art date
Application number
DK03727093T
Other languages
Danish (da)
English (en)
Inventor
Stephane Ragot
Bruno Bessette
Jean-Pierre Adoul
Original Assignee
Voiceage 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=29589087&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1514355(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voiceage Corp filed Critical Voiceage Corp
Application granted granted Critical
Publication of DK1514355T3 publication Critical patent/DK1514355T3/da

Links

Classifications

    • 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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • H03M7/3082—Vector coding
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
    • G10L2019/0008—Algebraic codebooks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DK03727093T 2002-05-31 2003-05-30 Fremgangsmåde og system til multi-rate gittervektorkvantificering af et signal DK1514355T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002388358A CA2388358A1 (fr) 2002-05-31 2002-05-31 Methode et dispositif de quantification vectorielle de reseau multicalibre
PCT/CA2003/000829 WO2003103151A1 (fr) 2002-05-31 2003-05-30 Procede et systeme de quantification vectorielle multi-debit en treillis d'un signal

Publications (1)

Publication Number Publication Date
DK1514355T3 true DK1514355T3 (da) 2009-12-14

Family

ID=29589087

Family Applications (1)

Application Number Title Priority Date Filing Date
DK03727093T DK1514355T3 (da) 2002-05-31 2003-05-30 Fremgangsmåde og system til multi-rate gittervektorkvantificering af et signal

Country Status (18)

Country Link
US (1) US7106228B2 (fr)
EP (1) EP1514355B1 (fr)
JP (1) JP4224021B2 (fr)
KR (1) KR20050008761A (fr)
CN (1) CN1659785B (fr)
AT (1) ATE440409T1 (fr)
AU (1) AU2003233723A1 (fr)
BR (1) BR0311336A (fr)
CA (1) CA2388358A1 (fr)
DE (1) DE60328892D1 (fr)
DK (1) DK1514355T3 (fr)
ES (1) ES2331876T3 (fr)
MX (1) MXPA04011841A (fr)
NO (1) NO20045718L (fr)
PT (1) PT1514355E (fr)
RU (1) RU2004138289A (fr)
WO (1) WO2003103151A1 (fr)
ZA (1) ZA200408780B (fr)

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Also Published As

Publication number Publication date
US7106228B2 (en) 2006-09-12
MXPA04011841A (es) 2005-07-26
EP1514355A1 (fr) 2005-03-16
PT1514355E (pt) 2009-11-19
JP2005528839A (ja) 2005-09-22
DE60328892D1 (de) 2009-10-01
US20050285764A1 (en) 2005-12-29
WO2003103151A1 (fr) 2003-12-11
NO20045718L (no) 2005-02-22
BR0311336A (pt) 2005-03-15
CN1659785A (zh) 2005-08-24
CA2388358A1 (fr) 2003-11-30
EP1514355B1 (fr) 2009-08-19
JP4224021B2 (ja) 2009-02-12
ZA200408780B (en) 2005-08-30
RU2004138289A (ru) 2005-06-10
CN1659785B (zh) 2011-04-20
KR20050008761A (ko) 2005-01-21
ES2331876T3 (es) 2010-01-19
ATE440409T1 (de) 2009-09-15
AU2003233723A1 (en) 2003-12-19

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