ES2627212T8 - Modificación de palabras de código en diccionario usado para codificación eficaz de datos espectrales de medio digital - Google Patents

Modificación de palabras de código en diccionario usado para codificación eficaz de datos espectrales de medio digital Download PDF

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ES2627212T8
ES2627212T8 ES06787180.6T ES06787180T ES2627212T8 ES 2627212 T8 ES2627212 T8 ES 2627212T8 ES 06787180 T ES06787180 T ES 06787180T ES 2627212 T8 ES2627212 T8 ES 2627212T8
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modification
digital media
spectral data
code words
efficient coding
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ES2627212T3 (es
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Wei-Ge Chen
Sanjeev Mehrotra
Kazuhito Koishida
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Microsoft Technology Licensing LLC
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Microsoft Technology Licensing LLC
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    • 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
    • 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
    • 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
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
ES06787180.6T 2005-07-15 2006-07-14 Modificación de palabras de código en diccionario usado para codificación eficaz de datos espectrales de medio digital Active ES2627212T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US183084 2005-07-15
US11/183,084 US7562021B2 (en) 2005-07-15 2005-07-15 Modification of codewords in dictionary used for efficient coding of digital media spectral data
PCT/US2006/027238 WO2007011657A2 (en) 2005-07-15 2006-07-14 Modification of codewords in dictionary used for efficient coding of digital media spectral data

Publications (2)

Publication Number Publication Date
ES2627212T3 ES2627212T3 (es) 2017-07-27
ES2627212T8 true ES2627212T8 (es) 2017-09-04

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Country Status (11)

Country Link
US (1) US7562021B2 (es)
EP (1) EP1905011B1 (es)
JP (1) JP5456310B2 (es)
KR (1) KR101330362B1 (es)
CN (1) CN101223582B (es)
AU (1) AU2006270263B2 (es)
CA (1) CA2612474C (es)
ES (1) ES2627212T3 (es)
MX (1) MX2008000528A (es)
NO (1) NO340485B1 (es)
WO (1) WO2007011657A2 (es)

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JP2009501944A (ja) 2009-01-22
EP1905011A2 (en) 2008-04-02
AU2006270263A1 (en) 2007-01-25
CA2612474C (en) 2014-09-09
WO2007011657A2 (en) 2007-01-25
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ES2627212T3 (es) 2017-07-27
US7562021B2 (en) 2009-07-14
US20070016414A1 (en) 2007-01-18
NO340485B1 (no) 2017-05-02
KR101330362B1 (ko) 2013-11-15
CN101223582B (zh) 2011-05-11
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CA2612474A1 (en) 2007-01-25
WO2007011657A3 (en) 2007-10-11
AU2006270263B2 (en) 2011-01-06
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