PT1514355E - Método e sistema para a quantificação vectorial multi-débito em rede de um sinal - Google Patents

Método e sistema para a quantificação vectorial multi-débito em rede de um sinal Download PDF

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Publication number
PT1514355E
PT1514355E PT03727093T PT03727093T PT1514355E PT 1514355 E PT1514355 E PT 1514355E PT 03727093 T PT03727093 T PT 03727093T PT 03727093 T PT03727093 T PT 03727093T PT 1514355 E PT1514355 E PT 1514355E
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PT
Portugal
Prior art keywords
lattice
codebook
quantization
rate
base
Prior art date
Application number
PT03727093T
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English (en)
Inventor
Bruno Bessette
Stephane Ragot
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.)
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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=PT1514355(E) "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
Publication of PT1514355E publication Critical patent/PT1514355E/pt

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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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
PT03727093T 2002-05-31 2003-05-30 Método e sistema para a quantificação vectorial multi-débito em rede de um sinal PT1514355E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002388358A CA2388358A1 (en) 2002-05-31 2002-05-31 A method and device for multi-rate lattice vector quantization

Publications (1)

Publication Number Publication Date
PT1514355E true PT1514355E (pt) 2009-11-19

Family

ID=29589087

Family Applications (1)

Application Number Title Priority Date Filing Date
PT03727093T PT1514355E (pt) 2002-05-31 2003-05-30 Método e sistema para a quantificação vectorial multi-débito em rede de um sinal

Country Status (18)

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

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Also Published As

Publication number Publication date
US7106228B2 (en) 2006-09-12
CA2388358A1 (en) 2003-11-30
CN1659785B (zh) 2011-04-20
AU2003233723A1 (en) 2003-12-19
EP1514355A1 (en) 2005-03-16
ATE440409T1 (de) 2009-09-15
NO20045718L (no) 2005-02-22
DE60328892D1 (de) 2009-10-01
US20050285764A1 (en) 2005-12-29
JP2005528839A (ja) 2005-09-22
KR20050008761A (ko) 2005-01-21
EP1514355B1 (en) 2009-08-19
JP4224021B2 (ja) 2009-02-12
BR0311336A (pt) 2005-03-15
DK1514355T3 (da) 2009-12-14
RU2004138289A (ru) 2005-06-10
ZA200408780B (en) 2005-08-30
CN1659785A (zh) 2005-08-24
WO2003103151A1 (en) 2003-12-11
ES2331876T3 (es) 2010-01-19
MXPA04011841A (es) 2005-07-26

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