MX2017001244A - Decodificador de audio, metodo y programa de computacion que utiliza una respuesta de entrada cero para obtener una transicion suave. - Google Patents

Decodificador de audio, metodo y programa de computacion que utiliza una respuesta de entrada cero para obtener una transicion suave.

Info

Publication number
MX2017001244A
MX2017001244A MX2017001244A MX2017001244A MX2017001244A MX 2017001244 A MX2017001244 A MX 2017001244A MX 2017001244 A MX2017001244 A MX 2017001244A MX 2017001244 A MX2017001244 A MX 2017001244A MX 2017001244 A MX2017001244 A MX 2017001244A
Authority
MX
Mexico
Prior art keywords
zero
response
input
audio information
decoder
Prior art date
Application number
MX2017001244A
Other languages
English (en)
Other versions
MX360729B (es
Inventor
schubert Benjamin
Pietrzyk Grzegorz
Multrus Markus
Disch Sascha
Fuchs Guillaume
Ravelli Emmanuel
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 MX2017001244A publication Critical patent/MX2017001244A/es
Publication of MX360729B publication Critical patent/MX360729B/es

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

Abstract

Un decodificador de audio (100;200;300) para emitir una informacion de audio decodificada (112;212;312) sobre la base de una informacion de audio codificada (110;210;310); el decodificador de audio comprende un decodificador en el dominio de la prediccion lineal (120;220;320) configurado para emitir una primera informacion de audio decodificada (122;222;322; SC(n)) sobre la base de una trama de audio codificada en un dominio de la prediccion lineal, un decodificador en el dominio de la frecuencia (130;230;330) configurado para emitir una segunda informacion de audio decodificada (132;232;332; SM(n)) sobre la base de una trama de audio codificada en un dominio de la frecuencia y un procesador de transicion (140;240;340). El procesador de transicion esta configurado para obtener una respuesta de entrada cero (150; 256;348) de un filtrado de prediccion lineal (148; 254; 346), donde se define un estado inicial (146;252;344) del filtrado de prediccion lineal de conformidad con la primera informacion de audio decodificada y la segunda informacion de audio decodificada. El procesador de transicion tambien esta configurado para modificar la segunda informacion de audio decodificada (132; 232;332; SM(n)), que se emite sobre la base de una trama de audio codificada en el dominio de la frecuencia que sigue a una trama de audio codificada en el dominio de la prediccion lineal, dependiendo de la respuesta de entrada cero, para obtener una transicion suave entre la primera informacion de audio decodificada (SC(n)) y la segunda informacion de audio decodificada modificada (SM(n)).
MX2017001244A 2014-07-28 2015-07-23 Decodificador de audio, método y programa de computación que utiliza una respuesta de entrada cero para obtener una transición suave. MX360729B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14178830.7A EP2980797A1 (en) 2014-07-28 2014-07-28 Audio decoder, method and computer program using a zero-input-response to obtain a smooth transition
PCT/EP2015/066953 WO2016016105A1 (en) 2014-07-28 2015-07-23 Audio decoder, method and computer program using a zero-input-response to obtain a smooth transition

Publications (2)

Publication Number Publication Date
MX2017001244A true MX2017001244A (es) 2017-03-14
MX360729B MX360729B (es) 2018-11-14

Family

ID=51224881

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017001244A MX360729B (es) 2014-07-28 2015-07-23 Decodificador de audio, método y programa de computación que utiliza una respuesta de entrada cero para obtener una transición suave.

Country Status (19)

Country Link
US (4) US10325611B2 (es)
EP (2) EP2980797A1 (es)
JP (3) JP6538820B2 (es)
KR (1) KR101999774B1 (es)
CN (2) CN106663442B (es)
AR (1) AR101288A1 (es)
AU (1) AU2015295588B2 (es)
BR (1) BR112017001143A2 (es)
CA (1) CA2954325C (es)
ES (1) ES2690256T3 (es)
MX (1) MX360729B (es)
MY (1) MY178143A (es)
PL (1) PL3175453T3 (es)
PT (1) PT3175453T (es)
RU (1) RU2682025C2 (es)
SG (1) SG11201700616WA (es)
TR (1) TR201815658T4 (es)
TW (1) TWI588818B (es)
WO (1) WO2016016105A1 (es)

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Also Published As

Publication number Publication date
EP3175453B1 (en) 2018-07-25
US10325611B2 (en) 2019-06-18
MY178143A (en) 2020-10-05
CN106663442B (zh) 2021-04-02
US11170797B2 (en) 2021-11-09
AU2015295588B2 (en) 2018-01-25
JP2022174077A (ja) 2022-11-22
KR20170032416A (ko) 2017-03-22
TW201618085A (zh) 2016-05-16
CA2954325A1 (en) 2016-02-04
CA2954325C (en) 2021-01-19
JP2019194711A (ja) 2019-11-07
US20170133026A1 (en) 2017-05-11
US20220076685A1 (en) 2022-03-10
RU2682025C2 (ru) 2019-03-14
US11922961B2 (en) 2024-03-05
AU2015295588A1 (en) 2017-03-16
CN112951255A (zh) 2021-06-11
TWI588818B (zh) 2017-06-21
JP6538820B2 (ja) 2019-07-03
RU2017106091A3 (es) 2018-08-30
RU2017106091A (ru) 2018-08-30
PL3175453T3 (pl) 2019-01-31
JP7128151B2 (ja) 2022-08-30
EP2980797A1 (en) 2016-02-03
BR112017001143A2 (pt) 2017-11-14
US20200160874A1 (en) 2020-05-21
AR101288A1 (es) 2016-12-07
EP3175453A1 (en) 2017-06-07
PT3175453T (pt) 2018-10-26
CN106663442A (zh) 2017-05-10
JP2017528753A (ja) 2017-09-28
MX360729B (es) 2018-11-14
ES2690256T3 (es) 2018-11-20
KR101999774B1 (ko) 2019-07-15
WO2016016105A1 (en) 2016-02-04
SG11201700616WA (en) 2017-02-27
TR201815658T4 (tr) 2018-11-21
US20240046941A1 (en) 2024-02-08

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