ECSP12012006A - Decodificación mejorada de flujos de bits codificados de audio multicanales utilizando transformación híbrida adaptativa - Google Patents
Decodificación mejorada de flujos de bits codificados de audio multicanales utilizando transformación híbrida adaptativaInfo
- Publication number
- ECSP12012006A ECSP12012006A ECSP12012006A ECSP12012006A EC SP12012006 A ECSP12012006 A EC SP12012006A EC SP12012006 A ECSP12012006 A EC SP12012006A EC SP12012006 A ECSP12012006 A EC SP12012006A
- Authority
- EC
- Ecuador
- Prior art keywords
- improved
- decodification
- adaptive hybrid
- channel audio
- coded bit
- Prior art date
Links
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
- G10L19/02—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 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Un método y un aparato para decodificar un cuadro de una señal de audio digital codificada y medio de almacenamiento que graba un programa de instrucciones. La eficiencia de procesamiento de un proceso utilizado para decodificar cuadros de un flujo de bits AC 3 mejorado se mejora procesando cada bloque de audio en un cuadro sólo una vez. Los bloques de audio de datos codificados se decodifican por orden de bloque en lugar de por orden de canal. Se revelan los procesos de decodificación ejemplares para las características de codificación de flujo de bits mejorado como el procesamiento de transformada híbrida adaptativa y la extensión espectral.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26742209P | 2009-12-07 | 2009-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ECSP12012006A true ECSP12012006A (es) | 2012-08-31 |
Family
ID=43334376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ECSP12012006 ECSP12012006A (es) | 2009-12-07 | 2012-06-27 | Decodificación mejorada de flujos de bits codificados de audio multicanales utilizando transformación híbrida adaptativa |
Country Status (37)
| Country | Link |
|---|---|
| US (2) | US8891776B2 (es) |
| EP (3) | EP2801975B1 (es) |
| JP (2) | JP5547297B2 (es) |
| KR (2) | KR101370522B1 (es) |
| CN (2) | CN102687198B (es) |
| AP (1) | AP3301A (es) |
| AR (1) | AR079878A1 (es) |
| AU (1) | AU2010328635B2 (es) |
| BR (1) | BR112012013745B1 (es) |
| CA (1) | CA2779453C (es) |
| CL (1) | CL2012001493A1 (es) |
| CO (1) | CO6460719A2 (es) |
| DK (1) | DK2510515T3 (es) |
| EA (1) | EA024310B1 (es) |
| EC (1) | ECSP12012006A (es) |
| ES (1) | ES2463840T3 (es) |
| GE (1) | GEP20146081B (es) |
| GT (1) | GT201200134A (es) |
| HN (1) | HN2012000819A (es) |
| HR (1) | HRP20140400T1 (es) |
| IL (1) | IL219304A (es) |
| MA (1) | MA33775B1 (es) |
| MX (1) | MX2012005723A (es) |
| MY (1) | MY161012A (es) |
| NI (1) | NI201200063A (es) |
| NZ (1) | NZ599981A (es) |
| PE (1) | PE20130167A1 (es) |
| PH (1) | PH12012500906A1 (es) |
| PL (1) | PL2510515T3 (es) |
| PT (1) | PT2510515E (es) |
| RS (1) | RS53288B (es) |
| SI (1) | SI2510515T1 (es) |
| TN (1) | TN2012000211A1 (es) |
| TW (1) | TWI498881B (es) |
| UA (1) | UA100353C2 (es) |
| WO (1) | WO2011071610A1 (es) |
| ZA (1) | ZA201203290B (es) |
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| KR101729930B1 (ko) | 2013-02-14 | 2017-04-25 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 |
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| MY178342A (en) | 2013-05-24 | 2020-10-08 | Dolby Int Ab | Coding of audio scenes |
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| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| TWM487509U (zh) | 2013-06-19 | 2014-10-01 | 杜比實驗室特許公司 | 音訊處理設備及電子裝置 |
| US9530422B2 (en) | 2013-06-27 | 2016-12-27 | Dolby Laboratories Licensing Corporation | Bitstream syntax for spatial voice coding |
| EP2830063A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for decoding an encoded audio signal |
| WO2015038522A1 (en) | 2013-09-12 | 2015-03-19 | Dolby Laboratories Licensing Corporation | Loudness adjustment for downmixed audio content |
| EP4683219A3 (en) | 2013-09-12 | 2026-03-25 | Dolby Laboratories Licensing Corporation | Dynamic range control for a wide variety of playback environments |
| CN105659320B (zh) | 2013-10-21 | 2019-07-12 | 杜比国际公司 | 音频编码器和解码器 |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| US9502045B2 (en) | 2014-01-30 | 2016-11-22 | Qualcomm Incorporated | Coding independent frames of ambient higher-order ambisonic coefficients |
| US9620137B2 (en) | 2014-05-16 | 2017-04-11 | Qualcomm Incorporated | Determining between scalar and vector quantization in higher order ambisonic coefficients |
| US10770087B2 (en) * | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
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| CN105280212A (zh) * | 2014-07-25 | 2016-01-27 | 中兴通讯股份有限公司 | 混音播放方法及装置 |
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2010
- 2010-10-28 EP EP14160585.7A patent/EP2801975B1/en active Active
- 2010-10-28 NZ NZ599981A patent/NZ599981A/en unknown
- 2010-10-28 KR KR1020127012464A patent/KR101370522B1/ko active Active
- 2010-10-28 WO PCT/US2010/054480 patent/WO2011071610A1/en not_active Ceased
- 2010-10-28 BR BR112012013745-0A patent/BR112012013745B1/pt active IP Right Grant
- 2010-10-28 MX MX2012005723A patent/MX2012005723A/es active IP Right Grant
- 2010-10-28 CN CN201080051553.XA patent/CN102687198B/zh active Active
- 2010-10-28 CA CA2779453A patent/CA2779453C/en active Active
- 2010-10-28 US US13/514,286 patent/US8891776B2/en active Active
- 2010-10-28 KR KR1020137026329A patent/KR101629306B1/ko active Active
- 2010-10-28 EP EP10776017.5A patent/EP2510515B1/en active Active
- 2010-10-28 UA UAA201208193A patent/UA100353C2/uk unknown
- 2010-10-28 AP AP2012006289A patent/AP3301A/xx active
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- 2010-10-28 PH PH1/2012/500906A patent/PH12012500906A1/en unknown
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- 2010-10-28 CN CN201410410643.3A patent/CN104217724B/zh active Active
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2014
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