AR078705A1 - Codificador de audio, decodificador de audio, metodo para codificadar informacion de audio, metodo para decodificar informacion de audio y programa de computacion que usa la deteccion de un grupo de valores espectrales previamente decodificados - Google Patents

Codificador de audio, decodificador de audio, metodo para codificadar informacion de audio, metodo para decodificar informacion de audio y programa de computacion que usa la deteccion de un grupo de valores espectrales previamente decodificados

Info

Publication number
AR078705A1
AR078705A1 ARP100103832A ARP100103832A AR078705A1 AR 078705 A1 AR078705 A1 AR 078705A1 AR P100103832 A ARP100103832 A AR P100103832A AR P100103832 A ARP100103832 A AR P100103832A AR 078705 A1 AR078705 A1 AR 078705A1
Authority
AR
Argentina
Prior art keywords
audio
spectral values
audio information
coding
decoder
Prior art date
Application number
ARP100103832A
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 AR078705A1 publication Critical patent/AR078705A1/es

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
    • 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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/0208—Subband vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
ARP100103832A 2009-10-20 2010-10-20 Codificador de audio, decodificador de audio, metodo para codificadar informacion de audio, metodo para decodificar informacion de audio y programa de computacion que usa la deteccion de un grupo de valores espectrales previamente decodificados AR078705A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25345909P 2009-10-20 2009-10-20

Publications (1)

Publication Number Publication Date
AR078705A1 true AR078705A1 (es) 2011-11-30

Family

ID=43259832

Family Applications (3)

Application Number Title Priority Date Filing Date
ARP100103832A AR078705A1 (es) 2009-10-20 2010-10-20 Codificador de audio, decodificador de audio, metodo para codificadar informacion de audio, metodo para decodificar informacion de audio y programa de computacion que usa la deteccion de un grupo de valores espectrales previamente decodificados
ARP100103834A AR078707A1 (es) 2009-10-20 2010-10-20 Codificador de audio, decodificador de audio, metodo para codificar informacion de audio y programa de computacion que utiliza una reduccion de tamano de intervalo interactiva
ARP100103833A AR078706A1 (es) 2009-10-20 2010-10-20 Codificador de audio, decodificador de audio, metodo para codificar informacion de audio, metodo para decodificar informacion de audio y programa de computacion que usa una regla dependiente de la region para un mapeado mediante codificacion aritmetica

Family Applications After (2)

Application Number Title Priority Date Filing Date
ARP100103834A AR078707A1 (es) 2009-10-20 2010-10-20 Codificador de audio, decodificador de audio, metodo para codificar informacion de audio y programa de computacion que utiliza una reduccion de tamano de intervalo interactiva
ARP100103833A AR078706A1 (es) 2009-10-20 2010-10-20 Codificador de audio, decodificador de audio, metodo para codificar informacion de audio, metodo para decodificar informacion de audio y programa de computacion que usa una regla dependiente de la region para un mapeado mediante codificacion aritmetica

Country Status (18)

Country Link
US (10) US8706510B2 (enExample)
EP (3) EP2491554B1 (enExample)
JP (3) JP5707410B2 (enExample)
KR (3) KR101419151B1 (enExample)
CN (3) CN102667923B (enExample)
AR (3) AR078705A1 (enExample)
AU (1) AU2010309820B2 (enExample)
BR (5) BR122022013496B1 (enExample)
CA (4) CA2778368C (enExample)
ES (3) ES2531013T3 (enExample)
MX (3) MX2012004572A (enExample)
MY (3) MY160813A (enExample)
PL (3) PL2491553T3 (enExample)
PT (1) PT2491553T (enExample)
RU (3) RU2605677C2 (enExample)
TW (3) TWI430262B (enExample)
WO (3) WO2011048098A1 (enExample)
ZA (3) ZA201203610B (enExample)

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