MX2015009682A - Codificador de audio, decodificador de audio, metodo para proveer una informacion de audio codificada, metodo para proveer una informacion de audio decodificada, programa de computacion y representacion codificada utilizado una ampliacion de ancho de banda adaptada por la señal. - Google Patents
Codificador de audio, decodificador de audio, metodo para proveer una informacion de audio codificada, metodo para proveer una informacion de audio decodificada, programa de computacion y representacion codificada utilizado una ampliacion de ancho de banda adaptada por la señal.Info
- Publication number
- MX2015009682A MX2015009682A MX2015009682A MX2015009682A MX2015009682A MX 2015009682 A MX2015009682 A MX 2015009682A MX 2015009682 A MX2015009682 A MX 2015009682A MX 2015009682 A MX2015009682 A MX 2015009682A MX 2015009682 A MX2015009682 A MX 2015009682A
- Authority
- MX
- Mexico
- Prior art keywords
- bandwidth extension
- audio
- audio information
- encoded
- providing
- Prior art date
Links
- 238000000034 method Methods 0.000 title 2
- 238000004590 computer program Methods 0.000 title 1
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
- G10L19/04—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
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS 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
-
- 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
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un codificador de audio para proveer una información de audio codificada sobre la base de una información de audio de entrada comprende un codificador de baja frecuencia configurado para codificar una porción de baja frecuencia de la información de audio de entrada a efectos de obtener una representación codificada de la porción de baja frecuencia, y un proveedor de información de ampliación de ancho de banda configurado para proveer información de ampliación de ancho de banda sobre la base de la información de audio de entrada. El codificador de audio está configurado para incluir selectivamente información de ampliación de ancho de banda en la información de audio codificada de una manera que se adapta a las señales. Un decodificador de audio comprende un decodificador de baja frecuencia configurado para decodificar una representación codificada de una porción de baja frecuencia a efectos de obtener una representación decodificada de la porción de baja frecuencia, y un ampliación de ancho de banda configurada para obtener una señal de ampliación de ancho de banda utilizando una ampliación de ancho de banda a ciegas para porciones de un contenido de audio para las que no hay parámetros de ampliación de ancho de banda incluidos en la información de audio codificada, y para obtener la señal de ampliación de ancho de banda utilizando un ampliación de ancho de banda guiada por parámetros para porciones del contenido de audio para las que hay parámetros de ampliación de ancho de banda incluidos en la información de audio codificada.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361758205P | 2013-01-29 | 2013-01-29 | |
PCT/EP2014/051641 WO2014118185A1 (en) | 2013-01-29 | 2014-01-28 | Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015009682A true MX2015009682A (es) | 2015-11-30 |
MX347062B MX347062B (es) | 2017-04-10 |
Family
ID=50029037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015009682A MX347062B (es) | 2013-01-29 | 2014-01-28 | Codificador de audio, decodificador de audio, método para proveer una información de audio codificada, método para proveer una información de audio decodificada, programa de computación y representación codificada utilizando una ampliación de ancho de banda adaptada por la señal. |
Country Status (20)
Country | Link |
---|---|
US (1) | US9646624B2 (es) |
EP (4) | EP2951822B1 (es) |
JP (1) | JP6239007B2 (es) |
KR (1) | KR101771828B1 (es) |
CN (2) | CN110111801B (es) |
AR (2) | AR094681A1 (es) |
AU (1) | AU2014211479B2 (es) |
BR (1) | BR112015017753B1 (es) |
CA (4) | CA2985105C (es) |
ES (4) | ES2768179T3 (es) |
HK (1) | HK1218179A1 (es) |
MX (1) | MX347062B (es) |
MY (1) | MY185176A (es) |
PL (4) | PL2951822T3 (es) |
PT (3) | PT3070713T (es) |
RU (1) | RU2641461C2 (es) |
SG (1) | SG11201505912QA (es) |
TW (1) | TWI533288B (es) |
WO (1) | WO2014118185A1 (es) |
ZA (1) | ZA201506312B (es) |
Families Citing this family (19)
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JP6082126B2 (ja) * | 2013-01-29 | 2017-02-15 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー.フアー. | 音声信号を合成するための装置及び方法、デコーダ、エンコーダ、システム及びコンピュータプログラム |
EP2830061A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
TW202242853A (zh) * | 2015-03-13 | 2022-11-01 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
US10049684B2 (en) * | 2015-04-05 | 2018-08-14 | Qualcomm Incorporated | Audio bandwidth selection |
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EP3288031A1 (en) * | 2016-08-23 | 2018-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding an audio signal using a compensation value |
GB201620317D0 (en) * | 2016-11-30 | 2017-01-11 | Microsoft Technology Licensing Llc | Audio signal processing |
TW202341126A (zh) | 2017-03-23 | 2023-10-16 | 瑞典商都比國際公司 | 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合 |
EP3382702A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for determining a predetermined characteristic related to an artificial bandwidth limitation processing of an audio signal |
US10650806B2 (en) * | 2018-04-23 | 2020-05-12 | Cerence Operating Company | System and method for discriminative training of regression deep neural networks |
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KR20210003507A (ko) * | 2019-07-02 | 2021-01-12 | 한국전자통신연구원 | 오디오 코딩을 위한 잔차 신호 처리 방법 및 오디오 처리 장치 |
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CN112019282B (zh) * | 2020-08-13 | 2022-10-28 | 西安烽火电子科技有限责任公司 | 一种短波时变信道衰落带宽估计方法 |
CN112669860B (zh) * | 2020-12-29 | 2022-12-09 | 北京百瑞互联技术有限公司 | 一种增加lc3音频编解码有效带宽的方法及装置 |
CN113035211B (zh) * | 2021-03-11 | 2021-11-16 | 马上消费金融股份有限公司 | 音频压缩方法、音频解压缩方法及装置 |
WO2024080597A1 (ko) * | 2022-10-12 | 2024-04-18 | 삼성전자주식회사 | 오디오 비트스트림을 적응적으로 처리하는 전자 장치, 방법, 및 비일시적 컴퓨터 판독가능 저장 매체 |
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2014
- 2014-01-28 MY MYPI2015001890A patent/MY185176A/en unknown
- 2014-01-28 PL PL14701755T patent/PL2951822T3/pl unknown
- 2014-01-28 CA CA2985105A patent/CA2985105C/en active Active
- 2014-01-28 AU AU2014211479A patent/AU2014211479B2/en active Active
- 2014-01-28 KR KR1020157023559A patent/KR101771828B1/ko active IP Right Grant
- 2014-01-28 CN CN201910313032.XA patent/CN110111801B/zh active Active
- 2014-01-28 JP JP2015555682A patent/JP6239007B2/ja active Active
- 2014-01-28 EP EP14701755.2A patent/EP2951822B1/en active Active
- 2014-01-28 WO PCT/EP2014/051641 patent/WO2014118185A1/en active Application Filing
- 2014-01-28 RU RU2015136792A patent/RU2641461C2/ru active
- 2014-01-28 SG SG11201505912QA patent/SG11201505912QA/en unknown
- 2014-01-28 CA CA2985115A patent/CA2985115C/en active Active
- 2014-01-28 ES ES14701755T patent/ES2768179T3/es active Active
- 2014-01-28 ES ES16162701.3T patent/ES2664185T3/es active Active
- 2014-01-28 ES ES16162696T patent/ES2959240T3/es active Active
- 2014-01-28 PL PL16162696.5T patent/PL3054446T3/pl unknown
- 2014-01-28 PT PT161627013T patent/PT3070713T/pt unknown
- 2014-01-28 EP EP16162696.5A patent/EP3054446B1/en active Active
- 2014-01-28 PL PL16162697T patent/PL3067890T3/pl unknown
- 2014-01-28 CN CN201480019094.5A patent/CN105264599B/zh active Active
- 2014-01-28 BR BR112015017753-0A patent/BR112015017753B1/pt active IP Right Grant
- 2014-01-28 EP EP16162701.3A patent/EP3070713B1/en active Active
- 2014-01-28 MX MX2015009682A patent/MX347062B/es active IP Right Grant
- 2014-01-28 EP EP16162697.3A patent/EP3067890B1/en active Active
- 2014-01-28 CA CA2985121A patent/CA2985121C/en active Active
- 2014-01-28 PT PT147017552T patent/PT2951822T/pt unknown
- 2014-01-28 ES ES16162697.3T patent/ES2659177T3/es active Active
- 2014-01-28 PL PL16162701T patent/PL3070713T3/pl unknown
- 2014-01-28 CA CA2898637A patent/CA2898637C/en active Active
- 2014-01-28 PT PT161626973T patent/PT3067890T/pt unknown
- 2014-01-29 TW TW103103514A patent/TWI533288B/zh active
- 2014-01-29 AR ARP140100297A patent/AR094681A1/es active IP Right Grant
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2015
- 2015-07-28 US US14/811,727 patent/US9646624B2/en active Active
- 2015-08-28 ZA ZA2015/06312A patent/ZA201506312B/en unknown
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2016
- 2016-05-30 HK HK16106087.3A patent/HK1218179A1/zh unknown
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2019
- 2019-07-22 AR ARP190102058A patent/AR115823A2/es active IP Right Grant
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