AR115823A2 - Decodificador de audio y método para proveer una información de audio decodificada - Google Patents
Decodificador de audio y método para proveer una información de audio decodificadaInfo
- Publication number
- AR115823A2 AR115823A2 ARP190102058A ARP190102058A AR115823A2 AR 115823 A2 AR115823 A2 AR 115823A2 AR P190102058 A ARP190102058 A AR P190102058A AR P190102058 A ARP190102058 A AR P190102058A AR 115823 A2 AR115823 A2 AR 115823A2
- Authority
- AR
- Argentina
- Prior art keywords
- bandwidth extension
- audio
- decoder
- low
- encoded
- Prior art date
Links
- 230000011664 signaling Effects 0.000 abstract 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
Reivindicación 1: Un decodificador de audio para proporcionar una información de audio decodificada sobre la base de una información de audio codificada, el decodificador de audio caracterizado porque comprende: un decodificador de baja frecuencia configurado para decodificar una representación codificada de una porción de baja frecuencia para obtener una representación decodificada de la porción de baja frecuencia; y una extensión de ancho de banda configurada para obtener una señal de extensión de ancho de banda usando una extensión de ancho de banda ciega para porciones de un contenido de audio para las cuales no se incluyen parámetros de extensión de ancho de banda en la información de audio codificada, y para obtener la señal de extensión de ancho de banda usando una extensión de ancho de banda guiada por parámetros para porciones de contenido de audio para las cuales los parámetros de extensión de ancho de banda están incluidos en la información de audio codificada; donde el decodificador de audio está configurado para decidir si se utiliza una extensión de ancho de banda ciega o una extensión de ancho de banda guiada por parámetros en base a la representación codificada del puerto de baja frecuencia sin evaluar un indicador de señalización de modo de extensión de ancho de banda.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361758205P | 2013-01-29 | 2013-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR115823A2 true AR115823A2 (es) | 2021-03-03 |
Family
ID=50029037
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100297A AR094681A1 (es) | 2013-01-29 | 2014-01-29 | 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 |
ARP190102058A AR115823A2 (es) | 2013-01-29 | 2019-07-22 | Decodificador de audio y método para proveer una información de audio decodificada |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100297A AR094681A1 (es) | 2013-01-29 | 2014-01-29 | 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) | CN105264599B (es) |
AR (2) | AR094681A1 (es) |
AU (1) | AU2014211479B2 (es) |
BR (1) | BR112015017753B1 (es) |
CA (4) | CA2985121C (es) |
ES (4) | ES2664185T3 (es) |
HK (1) | HK1218179A1 (es) |
MX (1) | MX347062B (es) |
MY (1) | MY185176A (es) |
PL (4) | PL3067890T3 (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 (20)
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US9886959B2 (en) * | 2005-02-11 | 2018-02-06 | Open Invention Network Llc | Method and system for low bit rate voice encoding and decoding applicable for any reduced bandwidth requirements including wireless |
KR101261677B1 (ko) * | 2008-07-14 | 2013-05-06 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
PL2951819T3 (pl) * | 2013-01-29 | 2017-08-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Urządzenie, sposób i nośnik komputerowy do syntetyzowania sygnału audio |
EP2830064A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection |
TWI771266B (zh) | 2015-03-13 | 2022-07-11 | 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 |
CN106294331B (zh) | 2015-05-11 | 2020-01-21 | 阿里巴巴集团控股有限公司 | 音频信息检索方法及装置 |
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 |
US11570849B2 (en) * | 2018-12-06 | 2023-01-31 | Schneider Electric Systems Usa, Inc. | Wireless instrument area network node with internal force sensor |
WO2020253941A1 (en) * | 2019-06-17 | 2020-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs |
KR20210003507A (ko) * | 2019-07-02 | 2021-01-12 | 한국전자통신연구원 | 오디오 코딩을 위한 잔차 신호 처리 방법 및 오디오 처리 장치 |
CN115836535A (zh) * | 2020-06-22 | 2023-03-21 | 索尼集团公司 | 信号处理装置、方法和程序 |
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 PL PL16162697T patent/PL3067890T3/pl unknown
- 2014-01-28 PL PL16162701T patent/PL3070713T3/pl unknown
- 2014-01-28 BR BR112015017753-0A patent/BR112015017753B1/pt active IP Right Grant
- 2014-01-28 PT PT161627013T patent/PT3070713T/pt unknown
- 2014-01-28 CN CN201480019094.5A patent/CN105264599B/zh active Active
- 2014-01-28 ES ES16162701.3T patent/ES2664185T3/es active Active
- 2014-01-28 WO PCT/EP2014/051641 patent/WO2014118185A1/en active Application Filing
- 2014-01-28 CA CA2985121A patent/CA2985121C/en 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 EP EP16162701.3A patent/EP3070713B1/en active Active
- 2014-01-28 MX MX2015009682A patent/MX347062B/es active IP Right Grant
- 2014-01-28 ES ES16162697.3T patent/ES2659177T3/es active Active
- 2014-01-28 RU RU2015136792A patent/RU2641461C2/ru active
- 2014-01-28 ES ES14701755T patent/ES2768179T3/es active Active
- 2014-01-28 SG SG11201505912QA patent/SG11201505912QA/en unknown
- 2014-01-28 EP EP16162697.3A patent/EP3067890B1/en active Active
- 2014-01-28 EP EP16162696.5A patent/EP3054446B1/en active Active
- 2014-01-28 CA CA2898637A patent/CA2898637C/en active Active
- 2014-01-28 PL PL16162696.5T patent/PL3054446T3/pl unknown
- 2014-01-28 CA CA2985115A patent/CA2985115C/en active Active
- 2014-01-28 CA CA2985105A patent/CA2985105C/en active Active
- 2014-01-28 AU AU2014211479A patent/AU2014211479B2/en active Active
- 2014-01-28 PL PL14701755T patent/PL2951822T3/pl unknown
- 2014-01-28 ES ES16162696T patent/ES2959240T3/es active Active
- 2014-01-28 CN CN201910313032.XA patent/CN110111801B/zh active Active
- 2014-01-28 KR KR1020157023559A patent/KR101771828B1/ko active IP Right Grant
- 2014-01-28 MY MYPI2015001890A patent/MY185176A/en unknown
- 2014-01-28 PT PT161626973T patent/PT3067890T/pt unknown
- 2014-01-28 PT PT147017552T patent/PT2951822T/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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