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BR112013008463B8 - Aparelho e método para processar um sinal de áudio e para prover uma granularidade temporal maior para um codec de fala e áudio unificado combinado (usac) - Google Patents

Aparelho e método para processar um sinal de áudio e para prover uma granularidade temporal maior para um codec de fala e áudio unificado combinado (usac)

Info

Publication number
BR112013008463B8
BR112013008463B8 BR112013008463A BR112013008463A BR112013008463B8 BR 112013008463 B8 BR112013008463 B8 BR 112013008463B8 BR 112013008463 A BR112013008463 A BR 112013008463A BR 112013008463 A BR112013008463 A BR 112013008463A BR 112013008463 B8 BR112013008463 B8 BR 112013008463B8
Authority
BR
Brazil
Prior art keywords
audio signal
processing
usac
audio
providing greater
Prior art date
Application number
BR112013008463A
Other languages
English (en)
Other versions
BR112013008463B1 (pt
BR112013008463A2 (pt
Inventor
Bernhard Grill
Bruno Bessette
Guillaume Fuchs
Markus Multrus
Max Neuendorf
Nikolaus Rettelbach
Philippe Gournay
Roch Lefebvre
Stephan Wilde
Original Assignee
Fraunhofer Ges Zur Foerderung Der Angewandten Forschubg E V
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
Application filed by Fraunhofer Ges Zur Foerderung Der Angewandten Forschubg E V, Voiceage Corp filed Critical Fraunhofer Ges Zur Foerderung Der Angewandten Forschubg E V
Publication of BR112013008463A2 publication Critical patent/BR112013008463A2/pt
Publication of BR112013008463B1 publication Critical patent/BR112013008463B1/pt
Publication of BR112013008463B8 publication Critical patent/BR112013008463B8/pt

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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • 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
    • G10L19/02—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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • 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
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Laminated Bodies (AREA)

Abstract

aparelho e método para processar um sinal de áudio e para prover uma granularidade temporal maior para um codec de fala e áudio unificado combinado (usac). um aparelho para processar um sinal de áudio é provido. o aparelho compreende um processador de sinal (110; 205; 405) e um configurador (120; 208; 408). o processador de sinal (110; 205; 405) é adaptado para receber uma primeira estrutura de sinal de áudio tendo um primeiro número configurável de amostras do sinal de áudio. ademais, o processador de sinal (110; 205; 405) é adaptado para sobreamostrar o sinal de áudio por um fator de sobreamostragem configurável para obter um sinal de áudio processado. além disso, o processador de sinal (110; 205; 405) é adaptado para produzir uma segunda estrutura de sinal de áudio tendo um segundo número configurável de amostras do sinal de áudio processado.
BR112013008463A 2010-10-06 2011-10-04 Aparelho e método para processar um sinal de áudio e para prover uma granularidade temporal maior para um codec de fala e áudio unificado combinado (usac) BR112013008463B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US39026710P 2010-10-06 2010-10-06
US61/390,267 2010-10-06
PCT/EP2011/067318 WO2012045744A1 (en) 2010-10-06 2011-10-04 Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (usac)

Publications (3)

Publication Number Publication Date
BR112013008463A2 BR112013008463A2 (pt) 2016-08-09
BR112013008463B1 BR112013008463B1 (pt) 2021-06-01
BR112013008463B8 true BR112013008463B8 (pt) 2022-04-05

Family

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Family Applications (1)

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BR112013008463A BR112013008463B8 (pt) 2010-10-06 2011-10-04 Aparelho e método para processar um sinal de áudio e para prover uma granularidade temporal maior para um codec de fala e áudio unificado combinado (usac)

Country Status (18)

Country Link
US (1) US9552822B2 (pt)
EP (1) EP2625688B1 (pt)
JP (1) JP6100164B2 (pt)
KR (1) KR101407120B1 (pt)
CN (1) CN103403799B (pt)
AR (2) AR083303A1 (pt)
AU (1) AU2011311659B2 (pt)
BR (1) BR112013008463B8 (pt)
CA (1) CA2813859C (pt)
ES (1) ES2530957T3 (pt)
HK (1) HK1190223A1 (pt)
MX (1) MX2013003782A (pt)
MY (1) MY155997A (pt)
PL (1) PL2625688T3 (pt)
RU (1) RU2562384C2 (pt)
SG (1) SG189277A1 (pt)
TW (1) TWI486950B (pt)
WO (1) WO2012045744A1 (pt)

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Also Published As

Publication number Publication date
ES2530957T3 (es) 2015-03-09
RU2562384C2 (ru) 2015-09-10
SG189277A1 (en) 2013-05-31
KR20130069821A (ko) 2013-06-26
CN103403799A (zh) 2013-11-20
MY155997A (en) 2015-12-31
RU2013120320A (ru) 2014-11-20
CA2813859C (en) 2016-07-12
AU2011311659A1 (en) 2013-05-02
BR112013008463B1 (pt) 2021-06-01
JP6100164B2 (ja) 2017-03-22
PL2625688T3 (pl) 2015-05-29
EP2625688A1 (en) 2013-08-14
AU2011311659B2 (en) 2015-07-30
AR101853A2 (es) 2017-01-18
CN103403799B (zh) 2015-09-16
TW201222532A (en) 2012-06-01
US9552822B2 (en) 2017-01-24
WO2012045744A1 (en) 2012-04-12
BR112013008463A2 (pt) 2016-08-09
KR101407120B1 (ko) 2014-06-13
HK1190223A1 (en) 2014-06-27
EP2625688B1 (en) 2014-12-03
MX2013003782A (es) 2013-10-03
AR083303A1 (es) 2013-02-13
CA2813859A1 (en) 2012-04-12
TWI486950B (zh) 2015-06-01
US20130226570A1 (en) 2013-08-29
JP2013543600A (ja) 2013-12-05

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