HK1249323A1 - 使用奇異值分解進行hoa編碼和解碼的方法和裝置 - Google Patents
使用奇異值分解進行hoa編碼和解碼的方法和裝置Info
- Publication number
- HK1249323A1 HK1249323A1 HK18108667.5A HK18108667A HK1249323A1 HK 1249323 A1 HK1249323 A1 HK 1249323A1 HK 18108667 A HK18108667 A HK 18108667A HK 1249323 A1 HK1249323 A1 HK 1249323A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- decoding
- singular value
- value decomposition
- hoa encoding
- hoa
- Prior art date
Links
- 238000000354 decomposition reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- 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
-
- 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
- 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)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK1249323A1 true HK1249323A1 (zh) | 2018-10-26 |
Family
ID=49765434
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK18105960.5A HK1246554A1 (zh) | 2013-11-28 | 2018-05-08 | 使用奇異值分解進行hoa編碼和解碼的方法和裝置 |
| HK18107560.5A HK1248438A1 (zh) | 2013-11-28 | 2018-06-11 | 使用奇異值分解進行hoa編碼和解碼的方法和裝置 |
| HK18108667.5A HK1249323A1 (zh) | 2013-11-28 | 2018-07-04 | 使用奇異值分解進行hoa編碼和解碼的方法和裝置 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK18105960.5A HK1246554A1 (zh) | 2013-11-28 | 2018-05-08 | 使用奇異值分解進行hoa編碼和解碼的方法和裝置 |
| HK18107560.5A HK1248438A1 (zh) | 2013-11-28 | 2018-06-11 | 使用奇異值分解進行hoa編碼和解碼的方法和裝置 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US9736608B2 (zh) |
| EP (3) | EP2879408A1 (zh) |
| JP (3) | JP6495910B2 (zh) |
| KR (2) | KR102319904B1 (zh) |
| CN (4) | CN108093358A (zh) |
| HK (3) | HK1246554A1 (zh) |
| WO (1) | WO2015078732A1 (zh) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101890229B1 (ko) * | 2010-03-26 | 2018-08-21 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치 |
| US9881628B2 (en) * | 2016-01-05 | 2018-01-30 | Qualcomm Incorporated | Mixed domain coding of audio |
| KR102128281B1 (ko) * | 2017-08-17 | 2020-06-30 | 가우디오랩 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 |
| 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 |
| 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 |
| US7840411B2 (en) * | 2005-03-30 | 2010-11-23 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
| EP1889256A2 (en) * | 2005-05-25 | 2008-02-20 | Koninklijke Philips Electronics N.V. | Predictive encoding of a multi channel signal |
| BRPI0809760B1 (pt) * | 2007-04-26 | 2020-12-01 | Dolby International Ab | aparelho e método para sintetizar um sinal de saída |
| 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 |
| KR101890229B1 (ko) * | 2010-03-26 | 2018-08-21 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치 |
| 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 |
| KR20230154111A (ko) * | 2012-07-16 | 2023-11-07 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 음장 표현을 렌더링하는 방법 및 장치 |
| 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 |
| US9685163B2 (en) * | 2013-03-01 | 2017-06-20 | Qualcomm Incorporated | Transforming spherical harmonic coefficients |
-
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 US US15/039,887 patent/US9736608B2/en active Active
- 2014-11-18 KR KR1020167014251A patent/KR102319904B1/ko active IP Right Grant
- 2014-11-18 CN CN201711438504.1A patent/CN107995582A/zh active Pending
- 2014-11-18 CN CN201711438488.6A patent/CN107889045A/zh active Pending
- 2014-11-18 WO PCT/EP2014/074903 patent/WO2015078732A1/en active Application Filing
- 2014-11-18 EP EP14800035.9A patent/EP3075172B1/en active Active
- 2014-11-18 JP JP2016534923A patent/JP6495910B2/ja active Active
- 2014-11-18 KR KR1020217034751A patent/KR102460817B1/ko active IP Right Grant
- 2014-11-18 EP EP17200258.6A patent/EP3313100B1/en 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
Also Published As
| Publication number | Publication date |
|---|---|
| US20170374485A1 (en) | 2017-12-28 |
| KR20210132744A (ko) | 2021-11-04 |
| JP2020149062A (ja) | 2020-09-17 |
| US10602293B2 (en) | 2020-03-24 |
| JP6980837B2 (ja) | 2021-12-15 |
| JP6707687B2 (ja) | 2020-06-10 |
| KR102319904B1 (ko) | 2021-11-02 |
| CN107889045A (zh) | 2018-04-06 |
| JP2019082741A (ja) | 2019-05-30 |
| EP3313100A1 (en) | 2018-04-25 |
| EP3075172B1 (en) | 2017-12-13 |
| HK1248438A1 (zh) | 2018-10-12 |
| US10244339B2 (en) | 2019-03-26 |
| US9736608B2 (en) | 2017-08-15 |
| US20170006401A1 (en) | 2017-01-05 |
| CN105981410B (zh) | 2018-01-02 |
| EP3313100B1 (en) | 2021-02-24 |
| CN105981410A (zh) | 2016-09-28 |
| US20190281400A1 (en) | 2019-09-12 |
| CN107995582A (zh) | 2018-05-04 |
| KR102460817B1 (ko) | 2022-10-31 |
| JP6495910B2 (ja) | 2019-04-03 |
| KR20160090824A (ko) | 2016-08-01 |
| EP3075172A1 (en) | 2016-10-05 |
| CN108093358A (zh) | 2018-05-29 |
| EP2879408A1 (en) | 2015-06-03 |
| JP2017501440A (ja) | 2017-01-12 |
| HK1246554A1 (zh) | 2018-09-07 |
| WO2015078732A1 (en) | 2015-06-04 |
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