AP3301A - Decoding of multichannel audio encoded bit streamsusing adaptive hybrid transformation - Google Patents
Decoding of multichannel audio encoded bit streamsusing adaptive hybrid transformationInfo
- Publication number
- AP3301A AP3301A AP2012006289A AP2012006289A AP3301A AP 3301 A AP3301 A AP 3301A AP 2012006289 A AP2012006289 A AP 2012006289A AP 2012006289 A AP2012006289 A AP 2012006289A AP 3301 A AP3301 A AP 3301A
- Authority
- AP
- ARIPO
- Prior art keywords
- streamsusing
- decoding
- encoded bit
- 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 (2)
| Publication Number | Publication Date |
|---|---|
| AP2012006289A0 AP2012006289A0 (en) | 2012-06-30 |
| AP3301A true AP3301A (en) | 2015-06-30 |
Family
ID=43334376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AP2012006289A AP3301A (en) | 2009-12-07 | 2010-10-28 | Decoding of multichannel audio encoded bit streamsusing adaptive hybrid transformation |
Country Status (37)
| Country | Link |
|---|---|
| US (2) | US8891776B2 (de) |
| EP (3) | EP2801975B1 (de) |
| JP (2) | JP5547297B2 (de) |
| KR (2) | KR101370522B1 (de) |
| CN (2) | CN102687198B (de) |
| AP (1) | AP3301A (de) |
| AR (1) | AR079878A1 (de) |
| AU (1) | AU2010328635B2 (de) |
| BR (1) | BR112012013745B1 (de) |
| CA (1) | CA2779453C (de) |
| CL (1) | CL2012001493A1 (de) |
| CO (1) | CO6460719A2 (de) |
| DK (1) | DK2510515T3 (de) |
| EA (1) | EA024310B1 (de) |
| EC (1) | ECSP12012006A (de) |
| ES (1) | ES2463840T3 (de) |
| GE (1) | GEP20146081B (de) |
| GT (1) | GT201200134A (de) |
| HN (1) | HN2012000819A (de) |
| HR (1) | HRP20140400T1 (de) |
| IL (1) | IL219304A (de) |
| MA (1) | MA33775B1 (de) |
| MX (1) | MX2012005723A (de) |
| MY (1) | MY161012A (de) |
| NI (1) | NI201200063A (de) |
| NZ (1) | NZ599981A (de) |
| PE (1) | PE20130167A1 (de) |
| PH (1) | PH12012500906A1 (de) |
| PL (1) | PL2510515T3 (de) |
| PT (1) | PT2510515E (de) |
| RS (1) | RS53288B (de) |
| SI (1) | SI2510515T1 (de) |
| TN (1) | TN2012000211A1 (de) |
| TW (1) | TWI498881B (de) |
| UA (1) | UA100353C2 (de) |
| WO (1) | WO2011071610A1 (de) |
| ZA (1) | ZA201203290B (de) |
Families Citing this family (42)
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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 |
| KR101816506B1 (ko) | 2012-02-23 | 2018-01-09 | 돌비 인터네셔널 에이비 | 고 주파수 오디오 콘텐트의 효율적인 복구를 위한 방법들 및 시스템들 |
| EP2898506B1 (de) | 2012-09-21 | 2018-01-17 | Dolby Laboratories Licensing Corporation | Geschichteter ansatz für räumliche audiocodierung |
| KR101729930B1 (ko) | 2013-02-14 | 2017-04-25 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 |
| 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 |
| 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 |
| 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 |
| MY178342A (en) | 2013-05-24 | 2020-10-08 | Dolby Int Ab | Coding of audio scenes |
| US9769586B2 (en) | 2013-05-29 | 2017-09-19 | Qualcomm Incorporated | Performing order reduction with respect to higher order ambisonic coefficients |
| 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 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung, Verfahren und Computerprogramm zum Dekodieren eines kodierten Audiosignals |
| WO2015038522A1 (en) | 2013-09-12 | 2015-03-19 | Dolby Laboratories Licensing Corporation | Loudness adjustment for downmixed audio content |
| EP4683219A3 (de) | 2013-09-12 | 2026-03-25 | Dolby Laboratories Licensing Corporation | Dynamikbereichssteuerung für eine vielzahl von wiedergabeumgebungen |
| 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 |
| US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics 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 |
| TWI890652B (zh) | 2015-03-13 | 2025-07-11 | 瑞典商杜比國際公司 | 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體 |
| 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 (de) * | 2016-02-17 | 2017-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zur stereoablage bei mehrkanaliger codierung |
| 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 |
| KR20250124257A (ko) | 2017-01-10 | 2025-08-19 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 디코더, 오디오 인코더, 디코딩된 오디오 신호를 제공하기 위한 방법, 인코딩된 오디오 신호를 제공하기 위한 방법, 오디오 스트림, 오디오 스트림 제공기, 및 스트림 식별자를 사용하는 컴퓨터 프로그램 |
| US10354668B2 (en) | 2017-03-22 | 2019-07-16 | Immersion Networks, Inc. | System and method for processing audio data |
| 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 |
| EP3895164B1 (de) | 2018-12-13 | 2022-09-07 | Dolby Laboratories Licensing Corporation | Verfahren zum decodieren von audioinhalt, decoder zum decodieren von audioinhalt, und zugehöriges computerprogramm |
| EP3719799A1 (de) * | 2019-04-04 | 2020-10-07 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Mehrkanaliger audiocodierer, decodierer, verfahren und computerprogramm zum umschalten zwischen einem parametrischen mehrkanalbetrieb und einem einzelkanalbetrieb |
| 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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| US5583962A (en) | 1991-01-08 | 1996-12-10 | 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 |
| US6356639B1 (en) * | 1997-04-11 | 2002-03-12 | Matsushita Electric Industrial 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 |
| CN1261663C (zh) * | 2002-12-31 | 2006-06-28 | 深圳市高科智能系统有限公司 | 无线集中控制门禁/门锁的方法及系统设备 |
| 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 |
| US7953595B2 (en) * | 2006-10-18 | 2011-05-31 | Polycom, Inc. | Dual-transform coding of audio signals |
| 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 |
| US8706480B2 (en) * | 2007-06-11 | 2014-04-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder for encoding an audio signal having an impulse-like portion and stationary portion, encoding methods, decoder, decoding method, and encoding audio signal |
| US8588427B2 (en) * | 2007-09-26 | 2013-11-19 | Frauhnhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for extracting an ambient signal in an apparatus and method for obtaining weighting coefficients for extracting an ambient signal and computer program |
| KR101238239B1 (ko) * | 2007-11-06 | 2013-03-04 | 노키아 코포레이션 | 인코더 |
| EP2107556A1 (de) * | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Transform basierte Audiokodierung mittels Grundfrequenzkorrektur |
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2010
- 2010-10-28 EP EP14160585.7A patent/EP2801975B1/de 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/de active Active
- 2010-10-28 UA UAA201208193A patent/UA100353C2/uk unknown
- 2010-10-28 AP AP2012006289A patent/AP3301A/xx active
- 2010-10-28 DK DK10776017.5T patent/DK2510515T3/da active
- 2010-10-28 MY MYPI2012001912A patent/MY161012A/en unknown
- 2010-10-28 PL PL10776017T patent/PL2510515T3/pl unknown
- 2010-10-28 RS RS20140226A patent/RS53288B/sr unknown
- 2010-10-28 PH PH1/2012/500906A patent/PH12012500906A1/en unknown
- 2010-10-28 PE PE2012000561A patent/PE20130167A1/es active IP Right Grant
- 2010-10-28 ES ES10776017.5T patent/ES2463840T3/es active Active
- 2010-10-28 GE GEAP201012753A patent/GEP20146081B/en unknown
- 2010-10-28 EA EA201270642A patent/EA024310B1/ru not_active IP Right Cessation
- 2010-10-28 JP JP2012541085A patent/JP5547297B2/ja active Active
- 2010-10-28 CN CN201410410643.3A patent/CN104217724B/zh active Active
- 2010-10-28 HR HRP20140400AT patent/HRP20140400T1/hr unknown
- 2010-10-28 EP EP13195367.1A patent/EP2706529A3/de not_active Ceased
- 2010-10-28 AU AU2010328635A patent/AU2010328635B2/en active Active
- 2010-10-28 PT PT107760175T patent/PT2510515E/pt unknown
- 2010-10-28 SI SI201030604T patent/SI2510515T1/sl 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
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2013
- 2013-11-18 JP JP2013237842A patent/JP5607809B2/ja active Active
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2014
- 2014-10-13 US US14/512,755 patent/US9620132B2/en active Active
Non-Patent Citations (2)
| Title |
|---|
| ANONYMOUS: "A/52B, ATSC standard, Digital audio compression standard (AC-3, E-AC-3), revision B", NOT KNOWN,, 14 June 2005 (2005-06-14), XP030001573, * |
| SAKAMOTO H ET AL: "A Dolby AC-3/MPEG1 audio decoder core suitable for audio/visual system integration", CUSTOM INTEGRATED CIRCUITS CONFERENCE, 1997., PROCEEDINGS OF THE IEEE 1997 SANTA CLARA, CA, USA 5-8 MAY 1997, NEW YORK, NY, USA,IEEE, US, 5 May 1997 (1997-05-05), pages 241-244, XP010235299 * |
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