JP2020149062A5 - - Google Patents
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- JP2020149062A5 JP2020149062A5 JP2020087853A JP2020087853A JP2020149062A5 JP 2020149062 A5 JP2020149062 A5 JP 2020149062A5 JP 2020087853 A JP2020087853 A JP 2020087853A JP 2020087853 A JP2020087853 A JP 2020087853A JP 2020149062 A5 JP2020149062 A5 JP 2020149062A5
- Authority
- JP
- Japan
- Prior art keywords
- vector
- decoder
- loudspeaker
- matrix
- mode matrix
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011159 matrix material Substances 0.000 claims 18
- 238000000034 method Methods 0.000 claims 6
- 238000000354 decomposition reaction Methods 0.000 claims 4
- 238000013507 mapping Methods 0.000 claims 2
- 238000004091 panning Methods 0.000 claims 2
- 238000004590 computer program Methods 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13306629.0A EP2879408A1 (en) | 2013-11-28 | 2013-11-28 | Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition |
| EP13306629.0 | 2013-11-28 | ||
| JP2019041597A JP6707687B2 (ja) | 2013-11-28 | 2019-03-07 | 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ復号の方法と装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019041597A Division JP6707687B2 (ja) | 2013-11-28 | 2019-03-07 | 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ復号の方法と装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020149062A JP2020149062A (ja) | 2020-09-17 |
| JP2020149062A5 true JP2020149062A5 (enExample) | 2021-05-27 |
| JP6980837B2 JP6980837B2 (ja) | 2021-12-15 |
Family
ID=49765434
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016534923A Active JP6495910B2 (ja) | 2013-11-28 | 2014-11-18 | 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ符号化と復号の方法と装置 |
| JP2019041597A Active JP6707687B2 (ja) | 2013-11-28 | 2019-03-07 | 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ復号の方法と装置 |
| JP2020087853A Active JP6980837B2 (ja) | 2013-11-28 | 2020-05-20 | 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ復号の方法と装置 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016534923A Active JP6495910B2 (ja) | 2013-11-28 | 2014-11-18 | 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ符号化と復号の方法と装置 |
| JP2019041597A Active JP6707687B2 (ja) | 2013-11-28 | 2019-03-07 | 特異値分解を用いる高次Ａｍｂｉｓｏｎｉｃｓ復号の方法と装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US9736608B2 (enExample) |
| EP (3) | EP2879408A1 (enExample) |
| JP (3) | JP6495910B2 (enExample) |
| KR (2) | KR102319904B1 (enExample) |
| CN (4) | CN108093358A (enExample) |
| HK (3) | HK1246554A1 (enExample) |
| WO (1) | WO2015078732A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2011231565B2 (en) | 2010-03-26 | 2014-08-28 | Dolby International Ab | Method and device for decoding an audio soundfield representation for audio playback |
| US9881628B2 (en) * | 2016-01-05 | 2018-01-30 | Qualcomm Incorporated | Mixed domain coding of audio |
| WO2019035622A1 (ko) * | 2017-08-17 | 2019-02-21 | 가우디오디오랩 주식회사 | 앰비소닉 신호를 사용하는 오디오 신호 처리 방법 및 장치 |
| JP6920144B2 (ja) * | 2017-09-07 | 2021-08-18 | 日本放送協会 | バイノーラル再生用の係数行列算出装置及びプログラム |
| US10264386B1 (en) * | 2018-02-09 | 2019-04-16 | Google Llc | Directional emphasis in ambisonics |
| US20240055006A1 (en) * | 2020-12-17 | 2024-02-15 | Dolby International Ab | Method and apparatus for processing of audio data using a pre-configured generator |
| CN113115157B (zh) * | 2021-04-13 | 2024-05-03 | 北京安声科技有限公司 | 耳机的主动降噪方法及装置、半入耳式主动降噪耳机 |
| CN115938388A (zh) * | 2021-05-31 | 2023-04-07 | 华为技术有限公司 | 一种三维音频信号的处理方法和装置 |
| JP7663427B2 (ja) * | 2021-06-25 | 2025-04-16 | 日本放送協会 | 頭部伝達関数モデリング装置及びプログラム |
| CN115374397B (zh) * | 2022-07-19 | 2025-10-03 | 广州大学 | 一种基于广义奇异值分解构造无线通信预编码器的方法 |
| CN117250604B (zh) * | 2023-11-17 | 2024-02-13 | 中国海洋大学 | 一种目标反射信号与浅海混响的分离方法 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06202700A (ja) * | 1991-04-25 | 1994-07-22 | Japan Radio Co Ltd | 音声符号化装置 |
| FR2858512A1 (fr) | 2003-07-30 | 2005-02-04 | France Telecom | Procede et dispositif de traitement de donnees sonores en contexte ambiophonique |
| DE602006002501D1 (de) * | 2005-03-30 | 2008-10-09 | Koninkl Philips Electronics Nv | Audiokodierung und audiodekodierung |
| KR20080015878A (ko) * | 2005-05-25 | 2008-02-20 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 복수 채널 신호의 예측 엔코딩 |
| US8515759B2 (en) * | 2007-04-26 | 2013-08-20 | Dolby International Ab | Apparatus and method for synthesizing an output signal |
| GB0817950D0 (en) | 2008-10-01 | 2008-11-05 | Univ Southampton | Apparatus and method for sound reproduction |
| US8391500B2 (en) | 2008-10-17 | 2013-03-05 | University Of Kentucky Research Foundation | Method and system for creating three-dimensional spatial audio |
| EP2486561B1 (en) * | 2009-10-07 | 2016-03-30 | The University Of Sydney | Reconstruction of a recorded sound field |
| AU2011231565B2 (en) * | 2010-03-26 | 2014-08-28 | Dolby International Ab | Method and device for decoding an audio soundfield representation for audio playback |
| NZ587483A (en) | 2010-08-20 | 2012-12-21 | Ind Res Ltd | Holophonic speaker system with filters that are pre-configured based on acoustic transfer functions |
| 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 |
| EP2592846A1 (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 |
| 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 |
| EP2688066A1 (en) * | 2012-07-16 | 2014-01-22 | Thomson Licensing | Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction |
| JP6230602B2 (ja) * | 2012-07-16 | 2017-11-15 | ドルビー・インターナショナル・アーベー | オーディオ再生のためのオーディオ音場表現をレンダリングするための方法および装置 |
| US9959875B2 (en) * | 2013-03-01 | 2018-05-01 | Qualcomm Incorporated | Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams |
-
2013
- 2013-11-28 EP EP13306629.0A patent/EP2879408A1/en not_active Withdrawn
-
2014
- 2014-11-18 CN CN201711438479.7A patent/CN108093358A/zh active Pending
- 2014-11-18 WO PCT/EP2014/074903 patent/WO2015078732A1/en not_active Ceased
- 2014-11-18 JP JP2016534923A patent/JP6495910B2/ja active Active
- 2014-11-18 KR KR1020167014251A patent/KR102319904B1/ko active Active
- 2014-11-18 EP EP14800035.9A patent/EP3075172B1/en active Active
- 2014-11-18 CN CN201711438504.1A patent/CN107995582A/zh active Pending
- 2014-11-18 EP EP17200258.6A patent/EP3313100B1/en active Active
- 2014-11-18 CN CN201711438488.6A patent/CN107889045A/zh active Pending
- 2014-11-18 US US15/039,887 patent/US9736608B2/en active Active
- 2014-11-18 KR KR1020217034751A patent/KR102460817B1/ko active Active
- 2014-11-18 CN CN201480074092.6A patent/CN105981410B/zh active Active
-
2017
- 2017-08-14 US US15/676,843 patent/US10244339B2/en active Active
-
2018
- 2018-05-08 HK HK18105960.5A patent/HK1246554A1/zh unknown
- 2018-06-11 HK HK18107560.5A patent/HK1248438A1/zh unknown
- 2018-07-04 HK HK18108667.5A patent/HK1249323A1/zh unknown
-
2019
- 2019-03-07 JP JP2019041597A patent/JP6707687B2/ja active Active
- 2019-03-14 US US16/353,891 patent/US10602293B2/en active Active
-
2020
- 2020-05-20 JP JP2020087853A patent/JP6980837B2/ja active Active
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