CL2012002213A1 - Metodo para decodificar una señal codificada de entrada para generar una señal de salida de audio; para codificar una señal de entrada de audio que representa estimulosauditivos; y para trascodificar una señal codificada de entrada para generar una señal codificada de salida; y un aparato asociado a dispositivos moviles. - Google Patents

Metodo para decodificar una señal codificada de entrada para generar una señal de salida de audio; para codificar una señal de entrada de audio que representa estimulosauditivos; y para trascodificar una señal codificada de entrada para generar una señal codificada de salida; y un aparato asociado a dispositivos moviles.

Info

Publication number
CL2012002213A1
CL2012002213A1 CL2012002213A CL2012002213A CL2012002213A1 CL 2012002213 A1 CL2012002213 A1 CL 2012002213A1 CL 2012002213 A CL2012002213 A CL 2012002213A CL 2012002213 A CL2012002213 A CL 2012002213A CL 2012002213 A1 CL2012002213 A1 CL 2012002213A1
Authority
CL
Chile
Prior art keywords
input signal
encoded
generate
output signal
audio
Prior art date
Application number
CL2012002213A
Other languages
English (en)
Inventor
Jeffrey C Riedmiller
Harald H Mundt
Martin Wolters
Michael Schug
Original Assignee
Dolby Int Ab
Dolby Lab Licensing Corp Dolbi Internat Ab
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 Dolby Int Ab, Dolby Lab Licensing Corp Dolbi Internat Ab filed Critical Dolby Int Ab
Publication of CL2012002213A1 publication Critical patent/CL2012002213A1/es

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L19/02—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
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3089—Control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

Método para decodificar una señal codificada de entrada para generar una señal de salida de audio; método para codificar una señal de entrada de audio que representa estímulos auditivos; método para transcodificar una señal codificada de entrada para generar una señal codificada de salida; y aparato asociado.
CL2012002213A 2010-02-11 2012-08-09 Metodo para decodificar una señal codificada de entrada para generar una señal de salida de audio; para codificar una señal de entrada de audio que representa estimulosauditivos; y para trascodificar una señal codificada de entrada para generar una señal codificada de salida; y un aparato asociado a dispositivos moviles. CL2012002213A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30364310P 2010-02-11 2010-02-11

Publications (1)

Publication Number Publication Date
CL2012002213A1 true CL2012002213A1 (es) 2012-11-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CL2012002213A CL2012002213A1 (es) 2010-02-11 2012-08-09 Metodo para decodificar una señal codificada de entrada para generar una señal de salida de audio; para codificar una señal de entrada de audio que representa estimulosauditivos; y para trascodificar una señal codificada de entrada para generar una señal codificada de salida; y un aparato asociado a dispositivos moviles.

Country Status (18)

Country Link
US (7) US8903729B2 (es)
EP (3) EP3444816B8 (es)
JP (2) JP5666625B2 (es)
KR (1) KR101381588B1 (es)
CN (2) CN103795364B (es)
AR (1) AR080156A1 (es)
BR (2) BR122019025627B1 (es)
CA (6) CA3114177C (es)
CL (1) CL2012002213A1 (es)
CO (1) CO6511277A2 (es)
EA (1) EA023730B9 (es)
ES (1) ES2916403T3 (es)
MX (1) MX2012008954A (es)
MY (1) MY169981A (es)
SG (1) SG182632A1 (es)
TW (2) TWI529703B (es)
UA (1) UA105277C2 (es)
WO (1) WO2011100155A1 (es)

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