BR112015032013A2 - método e equipamento para a obtenção de coeficientes do espectro para um quadro de substituição de um sinal de áudio, descodificador de áudio, receptor de áudio e sistema para transmissão de sinais de áudio - Google Patents

método e equipamento para a obtenção de coeficientes do espectro para um quadro de substituição de um sinal de áudio, descodificador de áudio, receptor de áudio e sistema para transmissão de sinais de áudio

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Publication number
BR112015032013A2
BR112015032013A2 BR112015032013A BR112015032013A BR112015032013A2 BR 112015032013 A2 BR112015032013 A2 BR 112015032013A2 BR 112015032013 A BR112015032013 A BR 112015032013A BR 112015032013 A BR112015032013 A BR 112015032013A BR 112015032013 A2 BR112015032013 A2 BR 112015032013A2
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BR
Brazil
Prior art keywords
audio
audio signal
spectrum
equipment
replacement frame
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BR112015032013A
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English (en)
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BR112015032013B1 (pt
Inventor
Edler Bernd
Helmrich Christian
Markovic Goran
Sukowski Janine
Geiger Ralf
Sperschneider Ralph
Jaegers Wolfgang
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Fraunhofer Ges Forschung
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Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BR112015032013A2 publication Critical patent/BR112015032013A2/pt
Publication of BR112015032013B1 publication Critical patent/BR112015032013B1/pt

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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
    • G10L19/005—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

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

Abstract

resumo do pedido de patente de invenção para: “método e equipamento para a obtenção de coeficientes do espectro para um quadro de substituição de um sinal de áudio, descodificador de áudio, receptor de áudio e sistema para transmissão de sinais de áudio”. abordagem é descrita para obter coeficientes de espectro para um quadro de substituição (m) de um sinal de áudio. um componente tonal de um espectro de um sinal de áudio é detectado com base em um pico que existe nos espectros de quadros anteriores a um quadro de substituição (m). para o componente tonal do espectro, um coeficiente de espectro para o pico (502) e o seu meio exterior no espectro do quadro de substituição (m) é predito, e para o componente não-tonal de espectro, um coeficiente do espectro não-predito para o quadro de substituição (m) ou um coeficiente do espectro correspondente de um quadro anterior ao quadro de substituição (m) é utilizado. fig. 1
BR112015032013-9A 2013-06-21 2014-06-20 Método e equipamento para a obtenção de coeficientes do espectropara um quadro de substituição de um sinal de áudio, descodificador de áudio,receptor de áudio e sistema para transmissão de sinais de áudio BR112015032013B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13173161 2013-06-21
EP13173161.4 2013-06-21
EP14167072.9 2014-05-05
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
BR112015032013A2 true BR112015032013A2 (pt) 2017-07-25
BR112015032013B1 BR112015032013B1 (pt) 2021-02-23

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BR112015032013-9A BR112015032013B1 (pt) 2013-06-21 2014-06-20 Método e equipamento para a obtenção de coeficientes do espectropara um quadro de substituição de um sinal de áudio, descodificador de áudio,receptor de áudio e sistema para transmissão de sinais de áudio

Country Status (18)

Country Link
US (3) US9916834B2 (pt)
EP (1) EP3011556B1 (pt)
JP (1) JP6248190B2 (pt)
KR (1) KR101757338B1 (pt)
CN (2) CN105408956B (pt)
AU (1) AU2014283180B2 (pt)
BR (1) BR112015032013B1 (pt)
CA (1) CA2915437C (pt)
ES (1) ES2633968T3 (pt)
HK (1) HK1224075A1 (pt)
MX (1) MX352099B (pt)
MY (1) MY169132A (pt)
PL (1) PL3011556T3 (pt)
PT (1) PT3011556T (pt)
RU (1) RU2632585C2 (pt)
SG (1) SG11201510513WA (pt)
TW (1) TWI562135B (pt)
WO (1) WO2014202770A1 (pt)

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Also Published As

Publication number Publication date
CA2915437C (en) 2017-11-28
CN105408956B (zh) 2020-03-27
AU2014283180B2 (en) 2017-01-05
SG11201510513WA (en) 2016-01-28
JP2016526703A (ja) 2016-09-05
US9916834B2 (en) 2018-03-13
EP3011556A1 (en) 2016-04-27
US11282529B2 (en) 2022-03-22
US20160104490A1 (en) 2016-04-14
EP3011556B1 (en) 2017-05-03
CN111627451B (zh) 2023-11-03
MY169132A (en) 2019-02-18
HK1224075A1 (zh) 2017-08-11
CA2915437A1 (en) 2014-12-24
AU2014283180A1 (en) 2016-02-11
MX352099B (es) 2017-11-08
CN105408956A (zh) 2016-03-16
KR20160024918A (ko) 2016-03-07
TWI562135B (en) 2016-12-11
RU2016101336A (ru) 2017-07-26
JP6248190B2 (ja) 2017-12-13
KR101757338B1 (ko) 2017-07-26
BR112015032013B1 (pt) 2021-02-23
TW201506908A (zh) 2015-02-16
US20200020343A1 (en) 2020-01-16
PT3011556T (pt) 2017-07-13
US10475455B2 (en) 2019-11-12
US20180108361A1 (en) 2018-04-19
RU2632585C2 (ru) 2017-10-06
ES2633968T3 (es) 2017-09-26
PL3011556T3 (pl) 2017-10-31
CN111627451A (zh) 2020-09-04
WO2014202770A1 (en) 2014-12-24
MX2015017369A (es) 2016-04-06

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