JP2021153315A5 - - Google Patents
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- JP2021153315A5 JP2021153315A5 JP2021097063A JP2021097063A JP2021153315A5 JP 2021153315 A5 JP2021153315 A5 JP 2021153315A5 JP 2021097063 A JP2021097063 A JP 2021097063A JP 2021097063 A JP2021097063 A JP 2021097063A JP 2021153315 A5 JP2021153315 A5 JP 2021153315A5
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- JP
- Japan
- Prior art keywords
- matrix
- loudspeaker
- audio signal
- signal
- pan
- 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.)
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- 239000011159 matrix material Substances 0.000 claims 21
- 230000005236 sound signal Effects 0.000 claims 8
- 238000000034 method Methods 0.000 claims 2
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023034396A JP7529370B2 (ja) | 2012-03-28 | 2023-03-07 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2024117388A JP7739546B2 (ja) | 2012-03-28 | 2024-07-23 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2025145858A JP2025186291A (ja) | 2012-03-28 | 2025-09-03 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12305356.3 | 2012-03-28 | ||
| EP12305356.3A EP2645748A1 (en) | 2012-03-28 | 2012-03-28 | Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal |
| JP2019210167A JP6898419B2 (ja) | 2012-03-28 | 2019-11-21 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019210167A Division JP6898419B2 (ja) | 2012-03-28 | 2019-11-21 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023034396A Division JP7529370B2 (ja) | 2012-03-28 | 2023-03-07 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021153315A JP2021153315A (ja) | 2021-09-30 |
| JP2021153315A5 true JP2021153315A5 (https=) | 2021-11-18 |
| JP7459019B2 JP7459019B2 (ja) | 2024-04-01 |
Family
ID=47915205
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015502213A Active JP6316275B2 (ja) | 2012-03-28 | 2013-03-20 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2018059275A Active JP6622344B2 (ja) | 2012-03-28 | 2018-03-27 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2019210167A Active JP6898419B2 (ja) | 2012-03-28 | 2019-11-21 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2021097063A Active JP7459019B2 (ja) | 2012-03-28 | 2021-06-10 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2023034396A Active JP7529370B2 (ja) | 2012-03-28 | 2023-03-07 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2024117388A Active JP7739546B2 (ja) | 2012-03-28 | 2024-07-23 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2025145858A Pending JP2025186291A (ja) | 2012-03-28 | 2025-09-03 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015502213A Active JP6316275B2 (ja) | 2012-03-28 | 2013-03-20 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2018059275A Active JP6622344B2 (ja) | 2012-03-28 | 2018-03-27 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2019210167A Active JP6898419B2 (ja) | 2012-03-28 | 2019-11-21 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023034396A Active JP7529370B2 (ja) | 2012-03-28 | 2023-03-07 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2024117388A Active JP7739546B2 (ja) | 2012-03-28 | 2024-07-23 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
| JP2025145858A Pending JP2025186291A (ja) | 2012-03-28 | 2025-09-03 | 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (7) | US9666195B2 (https=) |
| EP (4) | EP2645748A1 (https=) |
| JP (7) | JP6316275B2 (https=) |
| KR (6) | KR102481338B1 (https=) |
| CN (6) | CN107222824B (https=) |
| TW (11) | TWI590230B (https=) |
| WO (1) | WO2013143934A1 (https=) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US9495968B2 (en) | 2013-05-29 | 2016-11-15 | Qualcomm Incorporated | Identifying sources from which higher order ambisonic audio data is generated |
| 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 |
| EP3143779B1 (en) * | 2014-05-13 | 2020-10-07 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for edge fading amplitude panning |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| KR20250085845A (ko) * | 2014-06-27 | 2025-06-12 | 돌비 인터네셔널 에이비 | Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치 |
| 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 |
| US10063989B2 (en) | 2014-11-11 | 2018-08-28 | Google Llc | Virtual sound systems and methods |
| WO2016172254A1 (en) | 2015-04-21 | 2016-10-27 | Dolby Laboratories Licensing Corporation | Spatial audio signal manipulation |
| US10334387B2 (en) | 2015-06-25 | 2019-06-25 | Dolby Laboratories Licensing Corporation | Audio panning transformation system and method |
| US9961467B2 (en) * | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from channel-based audio to HOA |
| US10249312B2 (en) | 2015-10-08 | 2019-04-02 | Qualcomm Incorporated | Quantization of spatial vectors |
| CN116259324A (zh) * | 2015-10-08 | 2023-06-13 | 杜比国际公司 | 用于压缩声音或声场表示的分层编解码 |
| 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 |
| US11387006B2 (en) | 2015-11-30 | 2022-07-12 | In Hand Health, LLC | Client monitoring, management, communication, and performance system and method of use |
| EP3209036A1 (en) * | 2016-02-19 | 2017-08-23 | Thomson Licensing | Method, computer readable storage medium, and apparatus for determining a target sound scene at a target position from two or more source sound scenes |
| EP3574661B1 (en) | 2017-01-27 | 2021-08-11 | Auro Technologies NV | Processing method and system for panning audio objects |
| CN106960672B (zh) * | 2017-03-30 | 2020-08-21 | 国家计算机网络与信息安全管理中心 | 一种立体声音频的带宽扩展方法与装置 |
| WO2018213159A1 (en) * | 2017-05-15 | 2018-11-22 | Dolby Laboratories Licensing Corporation | Methods, systems and apparatus for conversion of spatial audio format(s) to speaker signals |
| EP3625974B1 (en) * | 2017-05-15 | 2020-12-23 | Dolby Laboratories Licensing Corporation | Methods, systems and apparatus for conversion of spatial audio format(s) to speaker signals |
| CN111123202B (zh) * | 2020-01-06 | 2022-01-11 | 北京大学 | 一种室内早期反射声定位方法及系统 |
| CN111615045B (zh) * | 2020-06-23 | 2021-06-11 | 腾讯音乐娱乐科技（深圳）有限公司 | 音频处理方法、装置、设备及存储介质 |
| 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 |
| CN116980818A (zh) * | 2021-03-05 | 2023-10-31 | 华为技术有限公司 | 虚拟扬声器集合确定方法和装置 |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB394325A (en) | 1931-12-14 | 1933-06-14 | Alan Dower Blumlein | Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems |
| US4704728A (en) * | 1984-12-31 | 1987-11-03 | Peter Scheiber | Signal re-distribution, decoding and processing in accordance with amplitude, phase, and other characteristics |
| JPH05103391A (ja) | 1991-10-07 | 1993-04-23 | Matsushita Electric Ind Co Ltd | 指向性制御スピーカシステム |
| JPH06165281A (ja) | 1992-11-18 | 1994-06-10 | Matsushita Electric Ind Co Ltd | 指向性スピーカ装置 |
| US7231054B1 (en) | 1999-09-24 | 2007-06-12 | Creative Technology Ltd | Method and apparatus for three-dimensional audio display |
| JP4805541B2 (ja) * | 2002-04-10 | 2011-11-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ステレオ信号の符号化 |
| 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 |
| US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
| EP1538741A1 (en) * | 2003-12-05 | 2005-06-08 | Semiconductor Ideas to The Market (ItoM) BV | Multiplier device |
| US7787631B2 (en) | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
| EP1737267B1 (en) * | 2005-06-23 | 2007-11-14 | AKG Acoustics GmbH | Modelling of a microphone |
| EP1761110A1 (en) * | 2005-09-02 | 2007-03-07 | Ecole Polytechnique Fédérale de Lausanne | Method to generate multi-channel audio signals from stereo signals |
| JP5587551B2 (ja) * | 2005-09-13 | 2014-09-10 | コーニンクレッカ フィリップス エヌ ヴェ | オーディオ符号化 |
| JP2007208709A (ja) | 2006-02-02 | 2007-08-16 | Kenwood Corp | 音声再生装置 |
| WO2007101958A2 (fr) | 2006-03-09 | 2007-09-13 | France Telecom | Optimisation d'une spatialisation sonore binaurale a partir d'un encodage multicanal |
| US8712061B2 (en) | 2006-05-17 | 2014-04-29 | Creative Technology Ltd | Phase-amplitude 3-D stereo encoder and decoder |
| US7501605B2 (en) * | 2006-08-29 | 2009-03-10 | Lam Research Corporation | Method of tuning thermal conductivity of electrostatic chuck support assembly |
| WO2008039339A2 (en) * | 2006-09-25 | 2008-04-03 | Dolby Laboratories Licensing Corporation | Improved spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms |
| KR101368859B1 (ko) * | 2006-12-27 | 2014-02-27 | 삼성전자주식회사 | 개인 청각 특성을 고려한 2채널 입체 음향 재생 방법 및장치 |
| TWI424755B (zh) | 2008-01-11 | 2014-01-21 | Dolby Lab Licensing Corp | 矩陣解碼器 |
| 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 |
| JP4922211B2 (ja) * | 2008-03-07 | 2012-04-25 | 日本放送協会 | 音響信号変換装置、その方法及びそのプログラム |
| US8705749B2 (en) * | 2008-08-14 | 2014-04-22 | Dolby Laboratories Licensing Corporation | Audio signal transformatting |
| GB0815362D0 (en) * | 2008-08-22 | 2008-10-01 | Queen Mary & Westfield College | Music collection navigation |
| EP2356825A4 (en) * | 2008-10-20 | 2014-08-06 | Genaudio Inc | AUDIO SPACE AND ENVIRONMENT SIMULATION |
| EP2486450B1 (en) * | 2008-11-02 | 2021-05-19 | David Chaum | Near to eye display system and appliance |
| ES2690164T3 (es) * | 2009-06-25 | 2018-11-19 | Dts Licensing Limited | Dispositivo y método para convertir una señal de audio espacial |
| ES2472456T3 (es) | 2010-03-26 | 2014-07-01 | Thomson Licensing | Método y dispositivo para decodificar una representación de un campo ac�stico de audio para reproducción de audio |
| 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 |
| JP5826996B2 (ja) | 2010-08-30 | 2015-12-02 | 日本放送協会 | 音響信号変換装置およびそのプログラム、ならびに、３次元音響パンニング装置およびそのプログラム |
| EP2450880A1 (en) | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| 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 |
| US9514620B2 (en) * | 2013-09-06 | 2016-12-06 | Immersion Corporation | Spatialized haptic feedback based on dynamically scaled values |
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2012
- 2012-03-28 EP EP12305356.3A patent/EP2645748A1/en not_active Withdrawn
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2013
- 2013-03-08 TW TW102108148A patent/TWI590230B/zh active
- 2013-03-08 TW TW111127893A patent/TWI808842B/zh active
- 2013-03-08 TW TW108123461A patent/TWI698858B/zh active
- 2013-03-08 TW TW112122168A patent/TWI845344B/zh active
- 2013-03-08 TW TW106112615A patent/TWI651715B/zh active
- 2013-03-08 TW TW113117951A patent/TWI880743B/zh active
- 2013-03-08 TW TW110122105A patent/TWI775497B/zh active
- 2013-03-08 TW TW107144828A patent/TWI675366B/zh active
- 2013-03-08 TW TW114109966A patent/TWI907295B/zh active
- 2013-03-08 TW TW109121565A patent/TWI734539B/zh active
- 2013-03-08 TW TW107128846A patent/TWI666629B/zh active
- 2013-03-20 KR KR1020217001737A patent/KR102481338B1/ko active Active
- 2013-03-20 KR KR1020257031503A patent/KR20250141277A/ko active Pending
- 2013-03-20 KR KR1020197037604A patent/KR102207035B1/ko active Active
- 2013-03-20 JP JP2015502213A patent/JP6316275B2/ja active Active
- 2013-03-20 CN CN201710587966.3A patent/CN107222824B/zh active Active
- 2013-03-20 CN CN201710587980.3A patent/CN107172567B/zh active Active
- 2013-03-20 US US14/386,784 patent/US9666195B2/en active Active
- 2013-03-20 KR KR1020227044967A patent/KR102678270B1/ko active Active
- 2013-03-20 EP EP20186027.7A patent/EP3796679B1/en active Active
- 2013-03-20 CN CN201380016236.8A patent/CN104205879B/zh active Active
- 2013-03-20 KR KR1020247020658A patent/KR102863957B1/ko active Active
- 2013-03-20 EP EP13711352.8A patent/EP2832113B1/en active Active
- 2013-03-20 WO PCT/EP2013/055792 patent/WO2013143934A1/en not_active Ceased
- 2013-03-20 CN CN201710587967.8A patent/CN107135460B/zh active Active
- 2013-03-20 CN CN201710587968.2A patent/CN107182022B/zh active Active
- 2013-03-20 CN CN201710587976.7A patent/CN107241677B/zh active Active
- 2013-03-20 EP EP23190274.3A patent/EP4297439A3/en active Pending
- 2013-03-20 KR KR1020147026827A patent/KR102059486B1/ko active Active
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2017
- 2017-04-04 US US15/479,108 patent/US9913062B2/en active Active
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2018
- 2018-01-22 US US15/876,404 patent/US10433090B2/en active Active
- 2018-03-27 JP JP2018059275A patent/JP6622344B2/ja active Active
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2019
- 2019-08-12 US US16/538,080 patent/US11172317B2/en active Active
- 2019-11-21 JP JP2019210167A patent/JP6898419B2/ja active Active
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2021
- 2021-06-10 JP JP2021097063A patent/JP7459019B2/ja active Active
- 2021-11-08 US US17/521,762 patent/US12010501B2/en active Active
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2023
- 2023-03-07 JP JP2023034396A patent/JP7529370B2/ja active Active
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2024
- 2024-05-10 US US18/661,414 patent/US12495261B2/en active Active
- 2024-05-10 US US18/661,390 patent/US12520093B2/en active Active
- 2024-07-23 JP JP2024117388A patent/JP7739546B2/ja active Active
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2025
- 2025-09-03 JP JP2025145858A patent/JP2025186291A/ja active Pending
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