ES2356492T3 - Método de conmutación de tasa de transmisión en decodificación de audio escalable en tasa de transmisión y ancho de banda. - Google Patents

Método de conmutación de tasa de transmisión en decodificación de audio escalable en tasa de transmisión y ancho de banda. Download PDF

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Publication number
ES2356492T3
ES2356492T3 ES06779036T ES06779036T ES2356492T3 ES 2356492 T3 ES2356492 T3 ES 2356492T3 ES 06779036 T ES06779036 T ES 06779036T ES 06779036 T ES06779036 T ES 06779036T ES 2356492 T3 ES2356492 T3 ES 2356492T3
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Spain
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post
signal
transmission rate
transmission rates
transmission
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ES06779036T
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English (en)
Spanish (es)
Inventor
Stéphane RAGOT
David Virette
Balazs Kovesi
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Orange SA
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France Telecom SA
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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
    • G10L19/04—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
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L19/04—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
    • G10L19/26—Pre-filtering or post-filtering

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
ES06779036T 2005-07-22 2006-07-10 Método de conmutación de tasa de transmisión en decodificación de audio escalable en tasa de transmisión y ancho de banda. Active ES2356492T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0552286 2005-07-22
FR0552286 2005-07-22

Publications (1)

Publication Number Publication Date
ES2356492T3 true ES2356492T3 (es) 2011-04-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
ES06779036T Active ES2356492T3 (es) 2005-07-22 2006-07-10 Método de conmutación de tasa de transmisión en decodificación de audio escalable en tasa de transmisión y ancho de banda.

Country Status (10)

Country Link
US (1) US8630864B2 (enExample)
EP (1) EP1907812B1 (enExample)
JP (1) JP5009910B2 (enExample)
KR (1) KR101295729B1 (enExample)
CN (1) CN101263554B (enExample)
AT (1) ATE490454T1 (enExample)
DE (1) DE602006018618D1 (enExample)
ES (1) ES2356492T3 (enExample)
RU (1) RU2419171C2 (enExample)
WO (1) WO2007010158A2 (enExample)

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US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
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Also Published As

Publication number Publication date
EP1907812B1 (fr) 2010-12-01
JP2009503559A (ja) 2009-01-29
RU2008106750A (ru) 2009-08-27
CN101263554B (zh) 2011-12-28
US20090306992A1 (en) 2009-12-10
KR101295729B1 (ko) 2013-08-12
DE602006018618D1 (de) 2011-01-13
US8630864B2 (en) 2014-01-14
JP5009910B2 (ja) 2012-08-29
KR20080033997A (ko) 2008-04-17
ATE490454T1 (de) 2010-12-15
CN101263554A (zh) 2008-09-10
EP1907812A2 (fr) 2008-04-09
WO2007010158A2 (fr) 2007-01-25
WO2007010158A3 (fr) 2007-05-10
RU2419171C2 (ru) 2011-05-20

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