ES2401487T3 - Aparato y procedimiento para la codificación/decodificación de una señal de audio utilizando un esquema de conmutación de generación de señal ajena - Google Patents

Aparato y procedimiento para la codificación/decodificación de una señal de audio utilizando un esquema de conmutación de generación de señal ajena Download PDF

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Publication number
ES2401487T3
ES2401487T3 ES09776763T ES09776763T ES2401487T3 ES 2401487 T3 ES2401487 T3 ES 2401487T3 ES 09776763 T ES09776763 T ES 09776763T ES 09776763 T ES09776763 T ES 09776763T ES 2401487 T3 ES2401487 T3 ES 2401487T3
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block
domain
aliasing
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Spanish (es)
Inventor
Guillaume Fuchs
Jérémie Lecomte
Stefan Bayer
Ralf Geiger
Markus Multrus
Gerald Schuller
Jens Hirschfeld
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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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
    • 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
    • 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
    • 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
    • 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
    • G10L19/04—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

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  • 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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
ES09776763T 2008-07-11 2009-06-17 Aparato y procedimiento para la codificación/decodificación de una señal de audio utilizando un esquema de conmutación de generación de señal ajena Active ES2401487T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7985208P 2008-07-11 2008-07-11
US79852 2008-07-11
PCT/EP2009/004374 WO2010003532A1 (en) 2008-07-11 2009-06-17 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme

Publications (1)

Publication Number Publication Date
ES2401487T3 true ES2401487T3 (es) 2013-04-22

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ES09776763T Active ES2401487T3 (es) 2008-07-11 2009-06-17 Aparato y procedimiento para la codificación/decodificación de una señal de audio utilizando un esquema de conmutación de generación de señal ajena

Country Status (18)

Country Link
US (1) US8862480B2 (https=)
EP (1) EP2301020B1 (https=)
JP (1) JP5551693B2 (https=)
KR (1) KR101250309B1 (https=)
CN (1) CN102089812B (https=)
AR (1) AR072479A1 (https=)
AU (1) AU2009267518B2 (https=)
BR (1) BRPI0910783B1 (https=)
CA (1) CA2730355C (https=)
CO (1) CO6341672A2 (https=)
ES (1) ES2401487T3 (https=)
MX (1) MX2011000373A (https=)
MY (1) MY152252A (https=)
PL (1) PL2301020T3 (https=)
RU (1) RU2492530C2 (https=)
TW (1) TWI426503B (https=)
WO (1) WO2010003532A1 (https=)
ZA (1) ZA201009259B (https=)

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RU2492530C2 (ru) 2013-09-10
CA2730355A1 (en) 2010-01-14
PL2301020T3 (pl) 2013-06-28
TWI426503B (zh) 2014-02-11
BRPI0910783B1 (pt) 2024-02-27
AU2009267518B2 (en) 2012-08-16
AR072479A1 (es) 2010-09-01
US20110173009A1 (en) 2011-07-14
WO2010003532A1 (en) 2010-01-14
EP2301020A1 (en) 2011-03-30
ZA201009259B (en) 2011-09-28
KR101250309B1 (ko) 2013-04-04
JP5551693B2 (ja) 2014-07-16
EP2301020B1 (en) 2013-01-02
CN102089812B (zh) 2013-03-20
TW201011737A (en) 2010-03-16
CO6341672A2 (es) 2011-11-21
HK1155842A1 (en) 2012-05-25
KR20110040823A (ko) 2011-04-20
CA2730355C (en) 2016-03-22
AU2009267518A1 (en) 2010-01-14
US8862480B2 (en) 2014-10-14
CN102089812A (zh) 2011-06-08
BRPI0910783A2 (pt) 2020-11-03
JP2011527446A (ja) 2011-10-27
MY152252A (en) 2014-09-15
MX2011000373A (es) 2011-03-15
RU2011102426A (ru) 2012-07-27

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