MX352099B - Método y aparato para obtener coeficientes de espectro para un cuadro de reemplazo de una señal de audio, decodificador de audio, receptor de audio y sistema para transmitir señales de audio. - Google Patents

Método y aparato para obtener coeficientes de espectro para un cuadro de reemplazo de una señal de audio, decodificador de audio, receptor de audio y sistema para transmitir señales de audio.

Info

Publication number
MX352099B
MX352099B MX2015017369A MX2015017369A MX352099B MX 352099 B MX352099 B MX 352099B MX 2015017369 A MX2015017369 A MX 2015017369A MX 2015017369 A MX2015017369 A MX 2015017369A MX 352099 B MX352099 B MX 352099B
Authority
MX
Mexico
Prior art keywords
audio
replacement frame
spectrum
transmitting
receiver
Prior art date
Application number
MX2015017369A
Other languages
English (en)
Other versions
MX2015017369A (es
Inventor
Bernd Edler
Ralf Geiger
Christian Helmrich
Wolfgang Jaegers
Goran Markovic
Sukowski Janine
Sperschneider Ralph
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 MX2015017369A publication Critical patent/MX2015017369A/es
Publication of MX352099B publication Critical patent/MX352099B/es

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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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L19/0212—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 orthogonal transformation

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

Se describe un enfoque que obtiene coeficientes de espectro para un cuadro de reemplazo (m) de una señal de audio. Un componente tonal de un espectro de una señal de audio se detecta sobre la base de un pico que existe en los espectros de cuadros anteriores a un cuadro de reemplazo (m). Para el componente tonal del espectro se predicen coeficientes de espectro para el pico (502) y su entorno en el espectro del cuadro de reemplazo (m), y para el componente no tonal del espectro se utiliza un coeficiente de espectro no previsto para el cuadro de reemplazo (m) o un coeficiente de espectro correspondiente de un cuadro anterior al cuadro de reemplazo (m).
MX2015017369A 2013-06-21 2014-06-20 Método y aparato para obtener coeficientes de espectro para un cuadro de reemplazo de una señal de audio, decodificador de audio, receptor de audio y sistema para transmitir señales de audio. MX352099B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13173161 2013-06-21
EP14167072 2014-05-05
PCT/EP2014/063058 WO2014202770A1 (en) 2013-06-21 2014-06-20 Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver and system for transmitting audio signals

Publications (2)

Publication Number Publication Date
MX2015017369A MX2015017369A (es) 2016-04-06
MX352099B true MX352099B (es) 2017-11-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015017369A MX352099B (es) 2013-06-21 2014-06-20 Método y aparato para obtener coeficientes de espectro para un cuadro de reemplazo de una señal de audio, decodificador de audio, receptor de audio y sistema para transmitir señales de audio.

Country Status (18)

Country Link
US (3) US9916834B2 (es)
EP (1) EP3011556B1 (es)
JP (1) JP6248190B2 (es)
KR (1) KR101757338B1 (es)
CN (2) CN111627451B (es)
AU (1) AU2014283180B2 (es)
BR (1) BR112015032013B1 (es)
CA (1) CA2915437C (es)
ES (1) ES2633968T3 (es)
HK (1) HK1224075A1 (es)
MX (1) MX352099B (es)
MY (1) MY169132A (es)
PL (1) PL3011556T3 (es)
PT (1) PT3011556T (es)
RU (1) RU2632585C2 (es)
SG (1) SG11201510513WA (es)
TW (1) TWI562135B (es)
WO (1) WO2014202770A1 (es)

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Also Published As

Publication number Publication date
RU2016101336A (ru) 2017-07-26
ES2633968T3 (es) 2017-09-26
HK1224075A1 (zh) 2017-08-11
US20200020343A1 (en) 2020-01-16
US20180108361A1 (en) 2018-04-19
AU2014283180B2 (en) 2017-01-05
CN105408956A (zh) 2016-03-16
EP3011556A1 (en) 2016-04-27
PT3011556T (pt) 2017-07-13
KR101757338B1 (ko) 2017-07-26
SG11201510513WA (en) 2016-01-28
WO2014202770A1 (en) 2014-12-24
TWI562135B (en) 2016-12-11
US9916834B2 (en) 2018-03-13
CN111627451A (zh) 2020-09-04
RU2632585C2 (ru) 2017-10-06
US10475455B2 (en) 2019-11-12
AU2014283180A1 (en) 2016-02-11
CA2915437C (en) 2017-11-28
TW201506908A (zh) 2015-02-16
CN111627451B (zh) 2023-11-03
JP6248190B2 (ja) 2017-12-13
BR112015032013A2 (pt) 2017-07-25
JP2016526703A (ja) 2016-09-05
CN105408956B (zh) 2020-03-27
EP3011556B1 (en) 2017-05-03
BR112015032013B1 (pt) 2021-02-23
MY169132A (en) 2019-02-18
PL3011556T3 (pl) 2017-10-31
MX2015017369A (es) 2016-04-06
US20160104490A1 (en) 2016-04-14
CA2915437A1 (en) 2014-12-24
KR20160024918A (ko) 2016-03-07
US11282529B2 (en) 2022-03-22

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