HK1170058A1 - Decoding of multichannel audio encoded bit streams using adaptive hybrid transformation - Google Patents
Decoding of multichannel audio encoded bit streams using adaptive hybrid transformationInfo
- Publication number
- HK1170058A1 HK1170058A1 HK12110658.8A HK12110658A HK1170058A1 HK 1170058 A1 HK1170058 A1 HK 1170058A1 HK 12110658 A HK12110658 A HK 12110658A HK 1170058 A1 HK1170058 A1 HK 1170058A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- decoding
- encoded bit
- bit streams
- multichannel audio
- audio encoded
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 230000009466 transformation Effects 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
- G10L19/02—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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26742209P | 2009-12-07 | 2009-12-07 | |
| PCT/US2010/054480 WO2011071610A1 (en) | 2009-12-07 | 2010-10-28 | Decoding of multichannel aufio encoded bit streams using adaptive hybrid transformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK1170058A1 true HK1170058A1 (en) | 2013-02-15 |
Family
ID=43334376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK12110658.8A HK1170058A1 (en) | 2009-12-07 | 2012-10-25 | Decoding of multichannel audio encoded bit streams using adaptive hybrid transformation |
Country Status (37)
| Country | Link |
|---|---|
| US (2) | US8891776B2 (ko) |
| EP (3) | EP2510515B1 (ko) |
| JP (2) | JP5547297B2 (ko) |
| KR (2) | KR101629306B1 (ko) |
| CN (2) | CN104217724B (ko) |
| AP (1) | AP3301A (ko) |
| AR (1) | AR079878A1 (ko) |
| AU (1) | AU2010328635B2 (ko) |
| BR (1) | BR112012013745B1 (ko) |
| CA (1) | CA2779453C (ko) |
| CL (1) | CL2012001493A1 (ko) |
| CO (1) | CO6460719A2 (ko) |
| DK (1) | DK2510515T3 (ko) |
| EA (1) | EA024310B1 (ko) |
| EC (1) | ECSP12012006A (ko) |
| ES (1) | ES2463840T3 (ko) |
| GE (1) | GEP20146081B (ko) |
| GT (1) | GT201200134A (ko) |
| HK (1) | HK1170058A1 (ko) |
| HN (1) | HN2012000819A (ko) |
| HR (1) | HRP20140400T1 (ko) |
| IL (1) | IL219304A (ko) |
| MA (1) | MA33775B1 (ko) |
| MX (1) | MX2012005723A (ko) |
| MY (1) | MY161012A (ko) |
| NI (1) | NI201200063A (ko) |
| NZ (1) | NZ599981A (ko) |
| PE (1) | PE20130167A1 (ko) |
| PL (1) | PL2510515T3 (ko) |
| PT (1) | PT2510515E (ko) |
| RS (1) | RS53288B (ko) |
| SI (1) | SI2510515T1 (ko) |
| TN (1) | TN2012000211A1 (ko) |
| TW (1) | TWI498881B (ko) |
| UA (1) | UA100353C2 (ko) |
| WO (1) | WO2011071610A1 (ko) |
| ZA (1) | ZA201203290B (ko) |
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| US7711123B2 (en) * | 2001-04-13 | 2010-05-04 | Dolby Laboratories Licensing Corporation | Segmenting audio signals into auditory events |
| US20120033819A1 (en) * | 2010-08-06 | 2012-02-09 | Samsung Electronics Co., Ltd. | Signal processing method, encoding apparatus therefor, decoding apparatus therefor, and information storage medium |
| US8948406B2 (en) * | 2010-08-06 | 2015-02-03 | Samsung Electronics Co., Ltd. | Signal processing method, encoding apparatus using the signal processing method, decoding apparatus using the signal processing method, and information storage medium |
| US9130596B2 (en) * | 2011-06-29 | 2015-09-08 | Seagate Technology Llc | Multiuse data channel |
| US9697840B2 (en) | 2011-11-30 | 2017-07-04 | Dolby International Ab | Enhanced chroma extraction from an audio codec |
| JP6046169B2 (ja) | 2012-02-23 | 2016-12-14 | ドルビー・インターナショナル・アーベー | 高周波オーディオ内容の効率的な復元のための方法およびシステム |
| WO2014046916A1 (en) | 2012-09-21 | 2014-03-27 | Dolby Laboratories Licensing Corporation | Layered approach to spatial audio coding |
| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| TWI618051B (zh) * | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
| KR101729930B1 (ko) | 2013-02-14 | 2017-04-25 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 |
| US9830917B2 (en) * | 2013-02-14 | 2017-11-28 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| US8804971B1 (en) * | 2013-04-30 | 2014-08-12 | Dolby International Ab | Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio |
| KR101761569B1 (ko) | 2013-05-24 | 2017-07-27 | 돌비 인터네셔널 에이비 | 오디오 현장의 코딩 |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| US20140358565A1 (en) | 2013-05-29 | 2014-12-04 | Qualcomm Incorporated | Compression of decomposed representations of a sound field |
| 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 |
| EP3014609B1 (en) | 2013-06-27 | 2017-09-27 | Dolby Laboratories Licensing Corporation | Bitstream syntax for spatial voice coding |
| EP2830065A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency |
| WO2015038475A1 (en) | 2013-09-12 | 2015-03-19 | Dolby Laboratories Licensing Corporation | Dynamic range control for a wide variety of playback environments |
| EP3074970B1 (en) | 2013-10-21 | 2018-02-21 | Dolby International AB | Audio encoder and decoder |
| US9502045B2 (en) | 2014-01-30 | 2016-11-22 | Qualcomm Incorporated | Coding independent frames of ambient higher-order ambisonic coefficients |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
| 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 |
| 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 |
| US9747910B2 (en) | 2014-09-26 | 2017-08-29 | Qualcomm Incorporated | Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework |
| 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 |
| US9837086B2 (en) * | 2015-07-31 | 2017-12-05 | Apple Inc. | Encoded audio extended metadata-based dynamic range control |
| US10504530B2 (en) | 2015-11-03 | 2019-12-10 | Dolby Laboratories Licensing Corporation | Switching between transforms |
| EP3208800A1 (en) * | 2016-02-17 | 2017-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for stereo filing in multichannel coding |
| US10015612B2 (en) | 2016-05-25 | 2018-07-03 | Dolby Laboratories Licensing Corporation | Measurement, verification and correction of time alignment of multiple audio channels and associated metadata |
| ES2953832T3 (es) * | 2017-01-10 | 2023-11-16 | Fraunhofer Ges Forschung | Decodificador de audio, codificador de audio, método para proporcionar una señal de audio decodificada, método para proporcionar una señal de audio codificada, flujo de audio, proveedor de flujos de audio y programa informático que utiliza un identificador de flujo |
| US10885921B2 (en) * | 2017-07-07 | 2021-01-05 | Qualcomm Incorporated | Multi-stream audio coding |
| US10854209B2 (en) * | 2017-10-03 | 2020-12-01 | Qualcomm Incorporated | Multi-stream audio coding |
| US10657974B2 (en) * | 2017-12-21 | 2020-05-19 | Qualcomm Incorporated | Priority information for higher order ambisonic audio data |
| BR112021009667A2 (pt) * | 2018-12-13 | 2021-08-17 | Dolby Laboratories Licensing Corporation | inteligência de mídia de dupla extremidade |
| WO2020207593A1 (en) * | 2019-04-11 | 2020-10-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, apparatus for determining a set of values defining characteristics of a filter, methods for providing a decoded audio representation, methods for determining a set of values defining characteristics of a filter and computer program |
| CN111711493B (zh) * | 2020-06-16 | 2022-03-11 | 中国电子科技集团公司第三研究所 | 具有加密解密能力的水下通信设备及发射器和接收器 |
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| WO1992012607A1 (en) | 1991-01-08 | 1992-07-23 | Dolby Laboratories Licensing Corporation | Encoder/decoder for multidimensional sound fields |
| JPH10340099A (ja) * | 1997-04-11 | 1998-12-22 | Matsushita Electric Ind Co Ltd | オーディオデコーダ装置及び信号処理装置 |
| TW405328B (en) * | 1997-04-11 | 2000-09-11 | Matsushita Electric Ind Co Ltd | Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipment |
| US6246345B1 (en) | 1999-04-16 | 2001-06-12 | Dolby Laboratories Licensing Corporation | Using gain-adaptive quantization and non-uniform symbol lengths for improved audio coding |
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| US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
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| US7516064B2 (en) | 2004-02-19 | 2009-04-07 | Dolby Laboratories Licensing Corporation | Adaptive hybrid transform for signal analysis and synthesis |
| US9454974B2 (en) * | 2006-07-31 | 2016-09-27 | Qualcomm Incorporated | Systems, methods, and apparatus for gain factor limiting |
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| KR101325802B1 (ko) * | 2007-02-06 | 2013-11-05 | 엘지전자 주식회사 | 디지털 방송 송신기 및 디지털 방송 수신기와 그를 이용한디지털 방송 시스템 및 그 서비스 방법 |
| CN101067931B (zh) | 2007-05-10 | 2011-04-20 | 芯晟(北京)科技有限公司 | 一种高效可配置的频域参数立体声及多声道编解码方法与系统 |
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| RU2472306C2 (ru) * | 2007-09-26 | 2013-01-10 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Устройство и способ для извлечения сигнала окружающей среды в устройстве и способ получения весовых коэффициентов для извлечения сигнала окружающей среды |
| WO2009059633A1 (en) * | 2007-11-06 | 2009-05-14 | Nokia Corporation | An encoder |
| EP2107556A1 (en) * | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio transform coding using pitch correction |
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2010
- 2010-10-28 SI SI201030604T patent/SI2510515T1/sl unknown
- 2010-10-28 EP EP10776017.5A patent/EP2510515B1/en active Active
- 2010-10-28 KR KR1020137026329A patent/KR101629306B1/ko active IP Right Grant
- 2010-10-28 DK DK10776017.5T patent/DK2510515T3/da active
- 2010-10-28 MX MX2012005723A patent/MX2012005723A/es active IP Right Grant
- 2010-10-28 JP JP2012541085A patent/JP5547297B2/ja active Active
- 2010-10-28 CN CN201410410643.3A patent/CN104217724B/zh active Active
- 2010-10-28 CN CN201080051553.XA patent/CN102687198B/zh active Active
- 2010-10-28 WO PCT/US2010/054480 patent/WO2011071610A1/en active Application Filing
- 2010-10-28 EP EP14160585.7A patent/EP2801975B1/en active Active
- 2010-10-28 EA EA201270642A patent/EA024310B1/ru not_active IP Right Cessation
- 2010-10-28 AU AU2010328635A patent/AU2010328635B2/en active Active
- 2010-10-28 PT PT107760175T patent/PT2510515E/pt unknown
- 2010-10-28 UA UAA201208193A patent/UA100353C2/uk unknown
- 2010-10-28 KR KR1020127012464A patent/KR101370522B1/ko active IP Right Grant
- 2010-10-28 US US13/514,286 patent/US8891776B2/en active Active
- 2010-10-28 PE PE2012000561A patent/PE20130167A1/es active IP Right Grant
- 2010-10-28 EP EP13195367.1A patent/EP2706529A3/en not_active Ceased
- 2010-10-28 CA CA2779453A patent/CA2779453C/en active Active
- 2010-10-28 MY MYPI2012001912A patent/MY161012A/en unknown
- 2010-10-28 ES ES10776017.5T patent/ES2463840T3/es active Active
- 2010-10-28 BR BR112012013745-0A patent/BR112012013745B1/pt active IP Right Grant
- 2010-10-28 AP AP2012006289A patent/AP3301A/xx active
- 2010-10-28 PL PL10776017T patent/PL2510515T3/pl unknown
- 2010-10-28 NZ NZ599981A patent/NZ599981A/en unknown
- 2010-10-28 GE GEAP201012753A patent/GEP20146081B/en unknown
- 2010-10-28 RS RS20140226A patent/RS53288B/en unknown
- 2010-11-04 TW TW099137944A patent/TWI498881B/zh active
- 2010-12-01 AR ARP100104440A patent/AR079878A1/es active IP Right Grant
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2012
- 2012-04-19 IL IL219304A patent/IL219304A/en active IP Right Grant
- 2012-04-20 HN HN2012000819A patent/HN2012000819A/es unknown
- 2012-04-23 NI NI201200063A patent/NI201200063A/es unknown
- 2012-04-30 GT GT201200134A patent/GT201200134A/es unknown
- 2012-05-07 ZA ZA2012/03290A patent/ZA201203290B/en unknown
- 2012-05-09 TN TNP2012000211A patent/TN2012000211A1/en unknown
- 2012-05-14 CO CO12078993A patent/CO6460719A2/es active IP Right Grant
- 2012-05-31 MA MA34912A patent/MA33775B1/fr unknown
- 2012-06-07 CL CL2012001493A patent/CL2012001493A1/es unknown
- 2012-06-27 EC ECSP12012006 patent/ECSP12012006A/es unknown
- 2012-10-25 HK HK12110658.8A patent/HK1170058A1/xx unknown
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2013
- 2013-11-18 JP JP2013237842A patent/JP5607809B2/ja active Active
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2014
- 2014-05-05 HR HRP20140400AT patent/HRP20140400T1/hr unknown
- 2014-10-13 US US14/512,755 patent/US9620132B2/en active Active
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