PT2214164T - Descodificador áudio, métodos para descodificar um sinal áudio e programa de computador - Google Patents

Descodificador áudio, métodos para descodificar um sinal áudio e programa de computador

Info

Publication number
PT2214164T
PT2214164T PT101520013T PT10152001T PT2214164T PT 2214164 T PT2214164 T PT 2214164T PT 101520013 T PT101520013 T PT 101520013T PT 10152001 T PT10152001 T PT 10152001T PT 2214164 T PT2214164 T PT 2214164T
Authority
PT
Portugal
Prior art keywords
decoding
methods
computer program
audio
audio signal
Prior art date
Application number
PT101520013T
Other languages
English (en)
Inventor
Lecomte Jérémie
Multrus Markus
Robilliard Julien
Bayer Stefan
Nagel Frederik
Fuchs Guillaume
Rettelbach Nikolaus
Grill Bernhard
Neuendorf Max
Geiger Ralf
Original Assignee
Fraunhofer Ges Forschung
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
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PT2214164T publication Critical patent/PT2214164T/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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PT101520013T 2009-01-28 2010-01-28 Descodificador áudio, métodos para descodificar um sinal áudio e programa de computador PT2214164T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14789509P 2009-01-28 2009-01-28

Publications (1)

Publication Number Publication Date
PT2214164T true PT2214164T (pt) 2017-11-14

Family

ID=42110129

Family Applications (1)

Application Number Title Priority Date Filing Date
PT101520013T PT2214164T (pt) 2009-01-28 2010-01-28 Descodificador áudio, métodos para descodificar um sinal áudio e programa de computador

Country Status (6)

Country Link
US (1) US8457975B2 (pt)
EP (4) EP3261088A1 (pt)
ES (1) ES2645037T3 (pt)
HK (3) HK1247431A1 (pt)
PL (1) PL2214164T3 (pt)
PT (1) PT2214164T (pt)

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Also Published As

Publication number Publication date
US20100217607A1 (en) 2010-08-26
EP3252759A1 (en) 2017-12-06
EP2214164A2 (en) 2010-08-04
HK1247430A1 (zh) 2018-09-21
ES2645037T3 (es) 2017-12-01
EP3252760A1 (en) 2017-12-06
US8457975B2 (en) 2013-06-04
HK1247431A1 (zh) 2018-09-21
PL2214164T3 (pl) 2018-01-31
HK1248909A1 (zh) 2018-10-19
EP2214164B1 (en) 2017-08-02
EP2214164A3 (en) 2011-01-26
EP3261088A1 (en) 2017-12-27

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