ES2529025T3 - Aparato y método para procesar una señal de audio decodificada en un dominio espectral - Google Patents
Aparato y método para procesar una señal de audio decodificada en un dominio espectral Download PDFInfo
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- ES2529025T3 ES2529025T3 ES12704258.8T ES12704258T ES2529025T3 ES 2529025 T3 ES2529025 T3 ES 2529025T3 ES 12704258 T ES12704258 T ES 12704258T ES 2529025 T3 ES2529025 T3 ES 2529025T3
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- 230000005236 sound signal Effects 0.000 title abstract 14
- 230000003595 spectral effect Effects 0.000 title abstract 6
- 238000006243 chemical reaction Methods 0.000 abstract 1
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- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
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Abstract
Aparato para procesar una señal de audio decodificada (100) que comprende: un filtro (102) para filtrar la señal de audio decodificada para obtener una señal de audio filtrada (104); el aparato estando caracterizado porque comprende: una etapa de conversión de tiempo a espectral (106) para convertir la señal de audio decodificada y la señal de audio filtrada en correspondientes representaciones espectrales, en donde cada representación espectral tiene una pluralidad de señales de subbanda; un ponderador (108) para ejecutar una ponderación selectiva en frecuencia de la representación espectral de la señal de audio filtrada mediante la multiplicación de señales de subbanda con respectivos coeficientes de ponderación para obtener una señal de audio filtrada y ponderada; un sustractor (112) para ejecutar un sustracción por subbandas entre la señal de audio filtrada y ponderada y la representación espectral de la señal de audio decodificada para obtener una señal de audio resultante; y un convertidor de espectral a tiempo (114) para convertir la señal de audio resultante o una señal derivada de la señal de audio resultante a una representación en el dominio temporal para obtener una señal de audio decodificada y procesada (116).
Description
Claims (1)
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imagen1 imagen2
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201161442632P | 2011-02-14 | 2011-02-14 | |
US201161442632P | 2011-02-14 | ||
PCT/EP2012/052292 WO2012110415A1 (en) | 2011-02-14 | 2012-02-10 | Apparatus and method for processing a decoded audio signal in a spectral domain |
Publications (1)
Publication Number | Publication Date |
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ES2529025T3 true ES2529025T3 (es) | 2015-02-16 |
Family
ID=71943604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES12704258.8T Active ES2529025T3 (es) | 2011-02-14 | 2012-02-10 | Aparato y método para procesar una señal de audio decodificada en un dominio espectral |
Country Status (19)
Country | Link |
---|---|
US (1) | US9583110B2 (es) |
EP (1) | EP2676268B1 (es) |
JP (1) | JP5666021B2 (es) |
KR (1) | KR101699898B1 (es) |
CN (1) | CN103503061B (es) |
AR (1) | AR085362A1 (es) |
AU (1) | AU2012217269B2 (es) |
BR (1) | BR112013020482B1 (es) |
CA (1) | CA2827249C (es) |
ES (1) | ES2529025T3 (es) |
HK (1) | HK1192048A1 (es) |
MX (1) | MX2013009344A (es) |
MY (1) | MY164797A (es) |
PL (1) | PL2676268T3 (es) |
RU (1) | RU2560788C2 (es) |
SG (1) | SG192746A1 (es) |
TW (1) | TWI469136B (es) |
WO (1) | WO2012110415A1 (es) |
ZA (1) | ZA201306838B (es) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
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PT3239978T (pt) | 2011-02-14 | 2019-04-02 | Fraunhofer Ges Forschung | Codificação e descodificação de posições de pulso de faixas de um sinal de áudio |
PL2676268T3 (pl) * | 2011-02-14 | 2015-05-29 | Fraunhofer Ges Forschung | Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej |
KR101424372B1 (ko) | 2011-02-14 | 2014-08-01 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 랩핑 변환을 이용한 정보 신호 표현 |
PT2676270T (pt) | 2011-02-14 | 2017-05-02 | Fraunhofer Ges Forschung | Codificação de uma parte de um sinal de áudio utilizando uma deteção de transiente e um resultado de qualidade |
AR085794A1 (es) | 2011-02-14 | 2013-10-30 | Fraunhofer Ges Forschung | Prediccion lineal basada en esquema de codificacion utilizando conformacion de ruido de dominio espectral |
BR112013020324B8 (pt) | 2011-02-14 | 2022-02-08 | Fraunhofer Ges Forschung | Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio |
EP2720222A1 (en) * | 2012-10-10 | 2014-04-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for efficient synthesis of sinusoids and sweeps by employing spectral patterns |
EP3584791B1 (en) * | 2012-11-05 | 2023-10-18 | Panasonic Holdings Corporation | Speech audio encoding device and speech audio encoding method |
MX346012B (es) * | 2013-01-29 | 2017-02-28 | Fraunhofer Ges Forschung | Aparato y metodo para procesar una señal codificada y codificador y metodo par a generar una señal codificada. |
KR102150496B1 (ko) | 2013-04-05 | 2020-09-01 | 돌비 인터네셔널 에이비 | 오디오 인코더 및 디코더 |
CN105393304B (zh) * | 2013-05-24 | 2019-05-28 | 杜比国际公司 | 音频编码和解码方法、介质以及音频编码器和解码器 |
KR102329309B1 (ko) * | 2013-09-12 | 2021-11-19 | 돌비 인터네셔널 에이비 | Qmf 기반 처리 데이터의 시간 정렬 |
KR102244613B1 (ko) | 2013-10-28 | 2021-04-26 | 삼성전자주식회사 | Qmf 필터링 방법 및 이를 수행하는 장치 |
EP2887350B1 (en) | 2013-12-19 | 2016-10-05 | Dolby Laboratories Licensing Corporation | Adaptive quantization noise filtering of decoded audio data |
JP6035270B2 (ja) * | 2014-03-24 | 2016-11-30 | 株式会社Nttドコモ | 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム |
EP2980799A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing an audio signal using a harmonic post-filter |
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AU2012217269B2 (en) | 2015-10-22 |
PL2676268T3 (pl) | 2015-05-29 |
CA2827249C (en) | 2016-08-23 |
JP2014510301A (ja) | 2014-04-24 |
CN103503061B (zh) | 2016-02-17 |
RU2013142138A (ru) | 2015-03-27 |
KR101699898B1 (ko) | 2017-01-25 |
CA2827249A1 (en) | 2012-08-23 |
MY164797A (en) | 2018-01-30 |
AU2012217269A1 (en) | 2013-09-05 |
HK1192048A1 (en) | 2014-08-08 |
JP5666021B2 (ja) | 2015-02-04 |
BR112013020482B1 (pt) | 2021-02-23 |
US20130332151A1 (en) | 2013-12-12 |
AR085362A1 (es) | 2013-09-25 |
TW201237848A (en) | 2012-09-16 |
KR20130133843A (ko) | 2013-12-09 |
EP2676268A1 (en) | 2013-12-25 |
SG192746A1 (en) | 2013-09-30 |
BR112013020482A2 (pt) | 2018-07-10 |
US9583110B2 (en) | 2017-02-28 |
CN103503061A (zh) | 2014-01-08 |
TWI469136B (zh) | 2015-01-11 |
ZA201306838B (en) | 2014-05-28 |
EP2676268B1 (en) | 2014-12-03 |
WO2012110415A1 (en) | 2012-08-23 |
MX2013009344A (es) | 2013-10-01 |
RU2560788C2 (ru) | 2015-08-20 |
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