PT2553947E - Método e dispositivo para descodificar uma representação de um campo sonoro de áudio para a reprodução de áudio - Google Patents
Método e dispositivo para descodificar uma representação de um campo sonoro de áudio para a reprodução de áudio Download PDFInfo
- Publication number
- PT2553947E PT2553947E PT117099689T PT11709968T PT2553947E PT 2553947 E PT2553947 E PT 2553947E PT 117099689 T PT117099689 T PT 117099689T PT 11709968 T PT11709968 T PT 11709968T PT 2553947 E PT2553947 E PT 2553947E
- Authority
- PT
- Portugal
- Prior art keywords
- audio
- decoding
- soundfield representation
- audio playback
- playback
- Prior art date
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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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/308—Electronic adaptation dependent on speaker or headphone connection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/11—Application of ambisonics in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10305316 | 2010-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT2553947E true PT2553947E (pt) | 2014-06-24 |
Family
ID=43989831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT117099689T PT2553947E (pt) | 2010-03-26 | 2011-03-25 | Método e dispositivo para descodificar uma representação de um campo sonoro de áudio para a reprodução de áudio |
Country Status (12)
| Country | Link |
|---|---|
| US (10) | US9100768B2 (pt) |
| EP (1) | EP2553947B1 (pt) |
| JP (8) | JP5559415B2 (pt) |
| KR (9) | KR102018824B1 (pt) |
| CN (1) | CN102823277B (pt) |
| AU (1) | AU2011231565B2 (pt) |
| BR (2) | BR112012024528B1 (pt) |
| ES (1) | ES2472456T3 (pt) |
| HK (1) | HK1174763A1 (pt) |
| PL (1) | PL2553947T3 (pt) |
| PT (1) | PT2553947E (pt) |
| WO (1) | WO2011117399A1 (pt) |
Families Citing this family (81)
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| WO2011117399A1 (en) | 2010-03-26 | 2011-09-29 | Thomson Licensing | Method and device for decoding an audio soundfield representation for audio playback |
| EP2541547A1 (en) | 2011-06-30 | 2013-01-02 | Thomson Licensing | Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation |
| JP5798247B2 (ja) | 2011-07-01 | 2015-10-21 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 向上した３ｄオーディオ作成および表現のためのシステムおよびツール |
| US9084058B2 (en) | 2011-12-29 | 2015-07-14 | Sonos, Inc. | Sound field calibration using listener localization |
| EP2637427A1 (en) * | 2012-03-06 | 2013-09-11 | Thomson Licensing | Method and apparatus for playback of a higher-order ambisonics audio signal |
| EP2645748A1 (en) * | 2012-03-28 | 2013-10-02 | Thomson Licensing | Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal |
| EP2665208A1 (en) | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
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| US9106192B2 (en) | 2012-06-28 | 2015-08-11 | Sonos, Inc. | System and method for device playback calibration |
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| US9761229B2 (en) | 2012-07-20 | 2017-09-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for audio object clustering |
| EP2738962A1 (en) * | 2012-11-29 | 2014-06-04 | Thomson Licensing | Method and apparatus for determining dominant sound source directions in a higher order ambisonics representation of a sound field |
| EP2946468B1 (en) * | 2013-01-16 | 2016-12-21 | Thomson Licensing | Method for measuring hoa loudness level and device for measuring hoa loudness level |
| US9736609B2 (en) | 2013-02-07 | 2017-08-15 | Qualcomm Incorporated | Determining renderers for spherical harmonic coefficients |
| EP2765791A1 (en) * | 2013-02-08 | 2014-08-13 | Thomson Licensing | Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field |
| EP2979467B1 (en) | 2013-03-28 | 2019-12-18 | Dolby Laboratories Licensing Corporation | Rendering audio using speakers organized as a mesh of arbitrary n-gons |
| EP2991383B1 (en) * | 2013-04-26 | 2021-01-27 | Sony Corporation | Audio processing device and audio processing system |
| RU2667377C2 (ru) * | 2013-04-26 | 2018-09-19 | Сони Корпорейшн | Способ и устройство обработки звука и программа |
| EP2800401A1 (en) | 2013-04-29 | 2014-11-05 | Thomson Licensing | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| US20140355769A1 (en) | 2013-05-29 | 2014-12-04 | Qualcomm Incorporated | Energy preservation for decomposed representations of a sound field |
| BR112015030103B1 (pt) * | 2013-05-29 | 2021-12-28 | Qualcomm Incorporated | Compressão de representações decomposta de campo sonoro |
| WO2014195190A1 (en) * | 2013-06-05 | 2014-12-11 | Thomson Licensing | Method for encoding audio signals, apparatus for encoding audio signals, method for decoding audio signals and apparatus for decoding audio signals |
| EP2824661A1 (en) * | 2013-07-11 | 2015-01-14 | Thomson Licensing | Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals |
| EP2866475A1 (en) | 2013-10-23 | 2015-04-29 | Thomson Licensing | Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups |
| EP2879408A1 (en) * | 2013-11-28 | 2015-06-03 | Thomson Licensing | Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition |
| KR20240116835A (ko) * | 2014-01-08 | 2024-07-30 | 돌비 인터네셔널 에이비 | 사운드 필드의 고차 앰비소닉스 표현을 코딩하기 위해 요구되는 사이드 정보의 코딩을 개선하기 위한 방법 및 장치 |
| 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 |
| US9264839B2 (en) | 2014-03-17 | 2016-02-16 | Sonos, Inc. | Playback device configuration based on proximity detection |
| EP2922057A1 (en) | 2014-03-21 | 2015-09-23 | Thomson Licensing | Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal |
| KR101846484B1 (ko) | 2014-03-21 | 2018-04-10 | 돌비 인터네셔널 에이비 | 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치 |
| US10412522B2 (en) * | 2014-03-21 | 2019-09-10 | Qualcomm Incorporated | Inserting audio channels into descriptions of soundfields |
| JP6374980B2 (ja) | 2014-03-26 | 2018-08-15 | パナソニック株式会社 | サラウンドオーディオ信号処理のための装置及び方法 |
| RU2666248C2 (ru) * | 2014-05-13 | 2018-09-06 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ для амплитудного панорамирования с затуханием фронтов |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| US9620137B2 (en) | 2014-05-16 | 2017-04-11 | Qualcomm Incorporated | Determining between scalar and vector quantization in higher order ambisonic coefficients |
| US9847087B2 (en) * | 2014-05-16 | 2017-12-19 | Qualcomm Incorporated | Higher order ambisonics signal compression |
| US9852737B2 (en) * | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
| EP2960903A1 (en) | 2014-06-27 | 2015-12-30 | Thomson Licensing | Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values |
| CN106471822B (zh) * | 2014-06-27 | 2019-10-25 | 杜比国际公司 | 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的设备 |
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| 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 |
| US10140996B2 (en) * | 2014-10-10 | 2018-11-27 | Qualcomm Incorporated | Signaling layers for scalable coding of higher order ambisonic audio data |
| EP3073488A1 (en) | 2015-03-24 | 2016-09-28 | Thomson Licensing | Method and apparatus for embedding and regaining watermarks in an ambisonics representation of a sound field |
| CN108028985B (zh) | 2015-09-17 | 2020-03-13 | 搜诺思公司 | 用于计算设备的方法 |
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| CN108476365B (zh) | 2016-01-08 | 2021-02-05 | 索尼公司 | 音频处理装置和方法以及存储介质 |
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| US11106423B2 (en) | 2016-01-25 | 2021-08-31 | Sonos, Inc. | Evaluating calibration of a playback device |
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| CN112530445A (zh) * | 2020-11-23 | 2021-03-19 | 雷欧尼斯（北京）信息技术有限公司 | 高阶Ambisonic音频的编解码方法及芯片 |
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2011
- 2011-03-25 WO PCT/EP2011/054644 patent/WO2011117399A1/en active Application Filing
- 2011-03-25 KR KR1020197005396A patent/KR102018824B1/ko active IP Right Grant
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- 2011-03-25 JP JP2013500527A patent/JP5559415B2/ja active Active
- 2011-03-25 KR KR1020217026627A patent/KR102622947B1/ko active IP Right Grant
- 2011-03-25 KR KR1020177018317A patent/KR101795015B1/ko active IP Right Grant
- 2011-03-25 AU AU2011231565A patent/AU2011231565B2/en active Active
- 2011-03-25 BR BR112012024528-7A patent/BR112012024528B1/pt active IP Right Grant
- 2011-03-25 CN CN201180016042.9A patent/CN102823277B/zh active Active
- 2011-03-25 PL PL11709968T patent/PL2553947T3/pl unknown
- 2011-03-25 KR KR1020127025099A patent/KR101755531B1/ko active IP Right Grant
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- 2011-03-25 US US13/634,859 patent/US9100768B2/en active Active
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- 2011-03-25 KR KR1020207008095A patent/KR102294460B1/ko active IP Right Grant
- 2011-03-25 BR BR122020001822-4A patent/BR122020001822B1/pt active IP Right Grant
- 2011-03-25 KR KR1020247000412A patent/KR20240009530A/ko active Application Filing
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