AR072479A1 - Aparato y metodo para la codificacion/ decodificacion de una senal de audio utilizando un esquema de conmutacion de generacion de senal ajena - Google Patents

Aparato y metodo para la codificacion/ decodificacion de una senal de audio utilizando un esquema de conmutacion de generacion de senal ajena

Info

Publication number
AR072479A1
AR072479A1 ARP090102545A ARP090102545A AR072479A1 AR 072479 A1 AR072479 A1 AR 072479A1 AR P090102545 A ARP090102545 A AR P090102545A AR P090102545 A ARP090102545 A AR P090102545A AR 072479 A1 AR072479 A1 AR 072479A1
Authority
AR
Argentina
Prior art keywords
block
sub
audio signal
domain
processed
Prior art date
Application number
ARP090102545A
Other languages
English (en)
Spanish (es)
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 AR072479A1 publication Critical patent/AR072479A1/es

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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

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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
ARP090102545A 2008-07-11 2009-07-07 Aparato y metodo para la codificacion/ decodificacion de una senal de audio utilizando un esquema de conmutacion de generacion de senal ajena AR072479A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7985208P 2008-07-11 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
AR072479A1 true AR072479A1 (es) 2010-09-01

Family

ID=41058650

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP090102545A AR072479A1 (es) 2008-07-11 2009-07-07 Aparato y metodo para la codificacion/ decodificacion de una senal de audio utilizando un esquema de conmutacion de generacion de senal ajena

Country Status (18)

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

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Also Published As

Publication number Publication date
KR101250309B1 (ko) 2013-04-04
CN102089812B (zh) 2013-03-20
WO2010003532A1 (en) 2010-01-14
PL2301020T3 (pl) 2013-06-28
KR20110040823A (ko) 2011-04-20
RU2492530C2 (ru) 2013-09-10
TW201011737A (en) 2010-03-16
MX2011000373A (es) 2011-03-15
CN102089812A (zh) 2011-06-08
CA2730355C (en) 2016-03-22
RU2011102426A (ru) 2012-07-27
BRPI0910783A2 (pt) 2020-11-03
CO6341672A2 (es) 2011-11-21
US8862480B2 (en) 2014-10-14
JP2011527446A (ja) 2011-10-27
AU2009267518A1 (en) 2010-01-14
CA2730355A1 (en) 2010-01-14
AU2009267518B2 (en) 2012-08-16
ES2401487T3 (es) 2013-04-22
ZA201009259B (en) 2011-09-28
JP5551693B2 (ja) 2014-07-16
MY152252A (en) 2014-09-15
TWI426503B (zh) 2014-02-11
HK1155842A1 (en) 2012-05-25
EP2301020A1 (en) 2011-03-30
US20110173009A1 (en) 2011-07-14
EP2301020B1 (en) 2013-01-02
BRPI0910783B1 (pt) 2024-02-27

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