ZA201801738B - Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups - Google Patents
Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setupsInfo
- Publication number
- ZA201801738B ZA201801738B ZA2018/01738A ZA201801738A ZA201801738B ZA 201801738 B ZA201801738 B ZA 201801738B ZA 2018/01738 A ZA2018/01738 A ZA 2018/01738A ZA 201801738 A ZA201801738 A ZA 201801738A ZA 201801738 B ZA201801738 B ZA 201801738B
- Authority
- ZA
- South Africa
- Prior art keywords
- audio
- setups
- decoding
- ambisonics
- soundfield representation
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
-
- 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
- H04S2420/07—Synergistic effects of band splitting and sub-band processing
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20130290255 EP2866475A1 (en) | 2013-10-23 | 2013-10-23 | Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA201801738B true ZA201801738B (en) | 2019-07-31 |
Family
ID=49626882
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2018/01738A ZA201801738B (en) | 2013-10-23 | 2018-03-14 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
| ZA2019/01243A ZA201901243B (en) | 2013-10-23 | 2019-02-27 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
| ZA2020/05036A ZA202005036B (en) | 2013-10-23 | 2020-08-14 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
| ZA2021/07269A ZA202107269B (en) | 2013-10-23 | 2021-09-28 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
| ZA2022/10670A ZA202210670B (en) | 2013-10-23 | 2022-09-27 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
| ZA2023/09036A ZA202309036B (en) | 2013-10-23 | 2023-09-26 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2019/01243A ZA201901243B (en) | 2013-10-23 | 2019-02-27 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
| ZA2020/05036A ZA202005036B (en) | 2013-10-23 | 2020-08-14 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
| ZA2021/07269A ZA202107269B (en) | 2013-10-23 | 2021-09-28 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
| ZA2022/10670A ZA202210670B (en) | 2013-10-23 | 2022-09-27 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
| ZA2023/09036A ZA202309036B (en) | 2013-10-23 | 2023-09-26 | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups |
Country Status (15)
| Country | Link |
|---|---|
| US (9) | US9813834B2 (enExample) |
| EP (5) | EP2866475A1 (enExample) |
| JP (6) | JP6463749B2 (enExample) |
| KR (4) | KR20240017091A (enExample) |
| CN (6) | CN108337624B (enExample) |
| AU (7) | AU2014339080B2 (enExample) |
| BR (2) | BR122017020302B1 (enExample) |
| CA (5) | CA3168427C (enExample) |
| ES (1) | ES2637922T3 (enExample) |
| MX (5) | MX395579B (enExample) |
| MY (2) | MY191340A (enExample) |
| RU (2) | RU2766560C2 (enExample) |
| TW (6) | TWI841483B (enExample) |
| WO (1) | WO2015059081A1 (enExample) |
| ZA (6) | ZA201801738B (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9288603B2 (en) | 2012-07-15 | 2016-03-15 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
| US9473870B2 (en) | 2012-07-16 | 2016-10-18 | Qualcomm Incorporated | Loudspeaker position compensation with 3D-audio hierarchical coding |
| US9761229B2 (en) | 2012-07-20 | 2017-09-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for audio object clustering |
| US9479886B2 (en) | 2012-07-20 | 2016-10-25 | Qualcomm Incorporated | Scalable downmix design with feedback for object-based surround codec |
| US9913064B2 (en) | 2013-02-07 | 2018-03-06 | Qualcomm Incorporated | Mapping virtual speakers to physical speakers |
| 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 |
| US9838819B2 (en) * | 2014-07-02 | 2017-12-05 | Qualcomm Incorporated | Reducing correlation between higher order ambisonic (HOA) background channels |
| US10341802B2 (en) * | 2015-11-13 | 2019-07-02 | Dolby Laboratories Licensing Corporation | Method and apparatus for generating from a multi-channel 2D audio input signal a 3D sound representation signal |
| US20170372697A1 (en) * | 2016-06-22 | 2017-12-28 | Elwha Llc | Systems and methods for rule-based user control of audio rendering |
| FR3060830A1 (fr) * | 2016-12-21 | 2018-06-22 | Orange | Traitement en sous-bandes d'un contenu ambisonique reel pour un decodage perfectionne |
| US10405126B2 (en) | 2017-06-30 | 2019-09-03 | Qualcomm Incorporated | Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems |
| KR102654507B1 (ko) | 2017-07-14 | 2024-04-05 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 다중-지점 음장 묘사를 이용하여 증강된 음장 묘사 또는 수정된 음장 묘사를 생성하기 위한 개념 |
| AR112504A1 (es) | 2017-07-14 | 2019-11-06 | Fraunhofer Ges Forschung | Concepto para generar una descripción mejorada de campo de sonido o un campo de sonido modificado utilizando una descripción multi-capa |
| US10015618B1 (en) * | 2017-08-01 | 2018-07-03 | Google Llc | Incoherent idempotent ambisonics rendering |
| US12417773B2 (en) * | 2020-08-27 | 2025-09-16 | Apple Inc. | Stereo-based immersive coding |
| CN114582356B (zh) * | 2020-11-30 | 2025-06-06 | 华为技术有限公司 | 一种音频编解码方法和装置 |
| CN114582357B (zh) * | 2020-11-30 | 2025-09-12 | 华为技术有限公司 | 一种音频编解码方法和装置 |
| US11743670B2 (en) | 2020-12-18 | 2023-08-29 | Qualcomm Incorporated | Correlation-based rendering with multiple distributed streams accounting for an occlusion for six degree of freedom applications |
| CN118800248A (zh) * | 2023-04-13 | 2024-10-18 | 华为技术有限公司 | 场景音频解码方法及电子设备 |
| CN119785821A (zh) * | 2024-09-30 | 2025-04-08 | 比亚迪股份有限公司 | 音频调整方法、装置、设备、可读存储介质和程序产品 |
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| US5594800A (en) * | 1991-02-15 | 1997-01-14 | Trifield Productions Limited | Sound reproduction system having a matrix converter |
| GB9204485D0 (en) * | 1992-03-02 | 1992-04-15 | Trifield Productions Ltd | Surround sound apparatus |
| US6798889B1 (en) * | 1999-11-12 | 2004-09-28 | Creative Technology Ltd. | Method and apparatus for multi-channel sound system calibration |
| FR2847376B1 (fr) * | 2002-11-19 | 2005-02-04 | France Telecom | Procede de traitement de donnees sonores et dispositif d'acquisition sonore mettant en oeuvre ce procede |
| US7966191B2 (en) * | 2005-07-14 | 2011-06-21 | Koninklijke Philips Electronics N.V. | Method and apparatus for generating a number of output audio channels |
| KR100619082B1 (ko) * | 2005-07-20 | 2006-09-05 | 삼성전자주식회사 | 와이드 모노 사운드 재생 방법 및 시스템 |
| US8111830B2 (en) * | 2005-12-19 | 2012-02-07 | Samsung Electronics Co., Ltd. | Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener |
| JP5113151B2 (ja) * | 2006-04-03 | 2013-01-09 | エルジー エレクトロニクス インコーポレイティド | メディア信号処理装置及びその方法 |
| US8379868B2 (en) * | 2006-05-17 | 2013-02-19 | Creative Technology Ltd | Spatial audio coding based on universal spatial cues |
| ATE536612T1 (de) | 2006-10-16 | 2011-12-15 | Dolby Int Ab | Verbesserte kodierungs- und parameterdarstellung von mehrkanaliger abwärtsgemischter objektkodierung |
| FR2916078A1 (fr) * | 2007-05-10 | 2008-11-14 | France Telecom | Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes |
| CN101884065B (zh) * | 2007-10-03 | 2013-07-10 | 创新科技有限公司 | 用于双耳再现和格式转换的空间音频分析和合成的方法 |
| EP2094032A1 (en) * | 2008-02-19 | 2009-08-26 | Deutsche Thomson OHG | Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same |
| US8605914B2 (en) * | 2008-04-17 | 2013-12-10 | Waves Audio Ltd. | Nonlinear filter for separation of center sounds in stereophonic audio |
| DE602008003976D1 (de) * | 2008-05-20 | 2011-01-27 | Ntt Docomo Inc | Räumliche Unterkanalauswahl und Vorcodiervorrichtung |
| EP2175670A1 (en) * | 2008-10-07 | 2010-04-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Binaural rendering of a multi-channel audio signal |
| EP2211563B1 (en) * | 2009-01-21 | 2011-08-24 | Siemens Medical Instruments Pte. Ltd. | Method and apparatus for blind source separation improving interference estimation in binaural Wiener filtering |
| KR20110041062A (ko) * | 2009-10-15 | 2011-04-21 | 삼성전자주식회사 | 가상 스피커 장치 및 가상 스피커 처리 방법 |
| US9020152B2 (en) * | 2010-03-05 | 2015-04-28 | Stmicroelectronics Asia Pacific Pte. Ltd. | Enabling 3D sound reproduction using a 2D speaker arrangement |
| KR101795015B1 (ko) * | 2010-03-26 | 2017-11-07 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치 |
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| JP5652658B2 (ja) * | 2010-04-13 | 2015-01-14 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
| WO2012025580A1 (en) * | 2010-08-27 | 2012-03-01 | Sonicemotion Ag | Method and device for enhanced sound field reproduction of spatially encoded audio input signals |
| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| EP2469741A1 (en) * | 2010-12-21 | 2012-06-27 | Thomson Licensing | Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field |
| 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 |
| EP2592845A1 (en) * | 2011-11-11 | 2013-05-15 | Thomson Licensing | Method and Apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field |
| 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 |
| WO2013149867A1 (en) * | 2012-04-02 | 2013-10-10 | Sonicemotion Ag | Method for high quality efficient 3d sound reproduction |
| BR112015001128B1 (pt) | 2012-07-16 | 2021-09-08 | Dolby International Ab | Método e dispositivo para renderização de uma representação de um som ou campo sonoro e meio legível por computador |
| CN102932730B (zh) * | 2012-11-08 | 2014-09-17 | 武汉大学 | 一种正四面体结构的扬声器组声场效果增强方法及系统 |
| 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 |
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2013
- 2013-10-23 EP EP20130290255 patent/EP2866475A1/en not_active Withdrawn
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2014
- 2014-10-17 TW TW112133717A patent/TWI841483B/zh active
- 2014-10-17 TW TW103135906A patent/TWI651973B/zh active
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- 2014-10-17 TW TW109102609A patent/TWI797417B/zh active
- 2014-10-17 TW TW112107889A patent/TWI817909B/zh active
- 2014-10-17 TW TW107141933A patent/TWI686794B/zh active
- 2014-10-20 MX MX2018012489A patent/MX395579B/es unknown
- 2014-10-20 CN CN201810453121.XA patent/CN108337624B/zh active Active
- 2014-10-20 CN CN201810453094.6A patent/CN108777836B/zh active Active
- 2014-10-20 KR KR1020247002360A patent/KR20240017091A/ko active Pending
- 2014-10-20 US US15/030,066 patent/US9813834B2/en active Active
- 2014-10-20 EP EP14786876.4A patent/EP3061270B1/en active Active
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2017
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