JP2016537669A5 - - Google Patents
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- JP2016537669A5 JP2016537669A5 JP2016524490A JP2016524490A JP2016537669A5 JP 2016537669 A5 JP2016537669 A5 JP 2016537669A5 JP 2016524490 A JP2016524490 A JP 2016524490A JP 2016524490 A JP2016524490 A JP 2016524490A JP 2016537669 A5 JP2016537669 A5 JP 2016537669A5
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- JP
- Japan
- Prior art keywords
- signal
- matrix
- upmix
- downmix
- coefficients
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- 239000011159 matrix material Substances 0.000 claims 70
- 230000005236 sound signal Effects 0.000 claims 40
- 238000000034 method Methods 0.000 claims 22
- 238000013507 mapping Methods 0.000 claims 16
- 230000011664 signaling Effects 0.000 claims 3
- 238000004590 computer program Methods 0.000 claims 2
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361893770P | 2013-10-21 | 2013-10-21 | |
| US61/893,770 | 2013-10-21 | ||
| US201461974544P | 2014-04-03 | 2014-04-03 | |
| US61/974,544 | 2014-04-03 | ||
| US201462037693P | 2014-08-15 | 2014-08-15 | |
| US62/037,693 | 2014-08-15 | ||
| PCT/EP2014/072570 WO2015059153A1 (en) | 2013-10-21 | 2014-10-21 | Parametric reconstruction of audio signals |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016537669A JP2016537669A (ja) | 2016-12-01 |
| JP2016537669A5 true JP2016537669A5 (enExample) | 2017-11-24 |
| JP6479786B2 JP6479786B2 (ja) | 2019-03-06 |
Family
ID=51845388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016524490A Active JP6479786B2 (ja) | 2013-10-21 | 2014-10-21 | オーディオ信号のパラメトリック再構成 |
Country Status (9)
| Country | Link |
|---|---|
| US (6) | US9978385B2 (enExample) |
| EP (1) | EP3061089B1 (enExample) |
| JP (1) | JP6479786B2 (enExample) |
| KR (5) | KR102741608B1 (enExample) |
| CN (3) | CN111179956B (enExample) |
| BR (1) | BR112016008817B1 (enExample) |
| ES (1) | ES2660778T3 (enExample) |
| RU (1) | RU2648947C2 (enExample) |
| WO (1) | WO2015059153A1 (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111179956B (zh) | 2013-10-21 | 2023-08-11 | 杜比国际公司 | 音频信号的参数化重构 |
| AU2014339065B2 (en) * | 2013-10-21 | 2017-04-20 | Dolby International Ab | Decorrelator structure for parametric reconstruction of audio signals |
| JP6640849B2 (ja) | 2014-10-31 | 2020-02-05 | ドルビー・インターナショナル・アーベー | マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード |
| TWI587286B (zh) | 2014-10-31 | 2017-06-11 | 杜比國際公司 | 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體 |
| US9986363B2 (en) | 2016-03-03 | 2018-05-29 | Mach 1, Corp. | Applications and format for immersive spatial sound |
| CN106851489A (zh) * | 2017-03-23 | 2017-06-13 | 李业科 | 在小房间摆放多声道音箱的方法 |
| US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
| SG11202000510VA (en) | 2017-07-28 | 2020-02-27 | Fraunhofer Ges Forschung | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
| WO2019145955A1 (en) | 2018-01-26 | 2019-08-01 | Hadasit Medical Research Services & Development Limited | Non-metallic magnetic resonance contrast agent |
| JP7107727B2 (ja) * | 2018-04-17 | 2022-07-27 | シャープ株式会社 | 音声処理装置、音声処理方法、プログラム、及び、プログラムの記録媒体 |
| IL319703A (en) | 2018-04-25 | 2025-05-01 | Dolby Int Ab | Combining high-frequency reconstruction techniques with reduced post-processing delay |
| KR102848399B1 (ko) | 2018-04-25 | 2025-08-21 | 돌비 인터네셔널 에이비 | 고주파 오디오 재구성 기술의 통합 |
| FR3101741A1 (fr) * | 2019-10-02 | 2021-04-09 | Orange | Détermination de corrections à appliquer à un signal audio multicanal, codage et décodage associés |
| CN111696625A (zh) * | 2020-04-21 | 2020-09-22 | 天津金域医学检验实验室有限公司 | 一种fish室荧光计数系统 |
| PL4165629T3 (pl) * | 2020-06-11 | 2025-07-07 | Dolby Laboratories Licensing Corporation | Sposoby i urządzenia do kodowania dekodowania przestrzennego szumu tła w obrębie welokanałowego sygnału wejściowego |
| KR20230116895A (ko) | 2020-12-02 | 2023-08-04 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 적응적 다운믹스 전략을 통한 몰입형 음성 및 오디오서비스(ivas) |
| TW202334938A (zh) | 2021-12-20 | 2023-09-01 | 瑞典商都比國際公司 | 正交鏡像濾波器域中之沉浸式音訊及視訊服務空間重建濾波器庫 |
| EP4595456A2 (en) * | 2022-09-30 | 2025-08-06 | Sonos, Inc. | Home theatre audio playback with multichannel satellite playback devices |
| WO2024097485A1 (en) | 2022-10-31 | 2024-05-10 | Dolby Laboratories Licensing Corporation | Low bitrate scene-based audio coding |
| TW202508311A (zh) | 2023-07-03 | 2025-02-16 | 美商杜拜研究特許公司 | 基於場景之音訊單聲道解碼之方法、裝置及系統 |
Family Cites Families (58)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6111958A (en) * | 1997-03-21 | 2000-08-29 | Euphonics, Incorporated | Audio spatial enhancement apparatus and methods |
| CA2420671C (en) * | 2000-08-31 | 2011-12-13 | Dolby Laboratories Licensing Corporation | Method for apparatus for audio matrix decoding |
| CA3026283C (en) * | 2001-06-14 | 2019-04-09 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques |
| SE0400998D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| SE0402649D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| SE0402651D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods for interpolation and parameter signalling |
| US20060165247A1 (en) | 2005-01-24 | 2006-07-27 | Thx, Ltd. | Ambient and direct surround sound system |
| DE102005010057A1 (de) | 2005-03-04 | 2006-09-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms |
| WO2006103584A1 (en) * | 2005-03-30 | 2006-10-05 | Koninklijke Philips Electronics N.V. | Multi-channel audio coding |
| KR100933548B1 (ko) * | 2005-04-15 | 2009-12-23 | 돌비 스웨덴 에이비 | 비상관 신호의 시간적 엔벨로프 정형화 |
| US8577686B2 (en) * | 2005-05-26 | 2013-11-05 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
| ES2374309T3 (es) | 2005-07-14 | 2012-02-15 | Koninklijke Philips Electronics N.V. | Decodificación de audio. |
| WO2007055463A1 (en) * | 2005-08-30 | 2007-05-18 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
| WO2007026821A1 (ja) * | 2005-09-02 | 2007-03-08 | Matsushita Electric Industrial Co., Ltd. | エネルギー整形装置及びエネルギー整形方法 |
| KR100888474B1 (ko) * | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
| JP2007178684A (ja) * | 2005-12-27 | 2007-07-12 | Matsushita Electric Ind Co Ltd | マルチチャンネルオーディオ復号装置 |
| JP4695197B2 (ja) * | 2006-01-19 | 2011-06-08 | エルジー エレクトロニクス インコーポレイティド | メディア信号の処理方法及び装置 |
| AU2006340728B2 (en) | 2006-03-28 | 2010-08-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Enhanced method for signal shaping in multi-channel audio reconstruction |
| US7965848B2 (en) * | 2006-03-29 | 2011-06-21 | Dolby International Ab | Reduced number of channels decoding |
| MX2008012217A (es) * | 2006-03-29 | 2008-11-12 | Koninkl Philips Electronics Nv | Decodificacion de audio. |
| KR100904435B1 (ko) | 2006-04-03 | 2009-06-24 | 엘지전자 주식회사 | 미디어 신호 처리 방법 및 장치 |
| US8041041B1 (en) * | 2006-05-30 | 2011-10-18 | Anyka (Guangzhou) Microelectronics Technology Co., Ltd. | Method and system for providing stereo-channel based multi-channel audio coding |
| US20080006379A1 (en) | 2006-06-15 | 2008-01-10 | The Force, Inc. | Condition-based maintenance system and method |
| US7876904B2 (en) | 2006-07-08 | 2011-01-25 | Nokia Corporation | Dynamic decoding of binaural audio signals |
| JP5174027B2 (ja) * | 2006-09-29 | 2013-04-03 | エルジー エレクトロニクス インコーポレイティド | ミックス信号処理装置及びミックス信号処理方法 |
| BRPI0711102A2 (pt) * | 2006-09-29 | 2011-08-23 | Lg Eletronics Inc | métodos e aparelhos para codificar e decodificar sinais de áudio com base em objeto |
| UA94117C2 (ru) * | 2006-10-16 | 2011-04-11 | Долби Свиден Ав | Усовершенстованное кодирование и отображение параметров многоканального кодирования микшированных объектов |
| DE102007018032B4 (de) * | 2007-04-17 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Erzeugung dekorrelierter Signale |
| US8515759B2 (en) * | 2007-04-26 | 2013-08-20 | Dolby International Ab | Apparatus and method for synthesizing an output signal |
| CA2702986C (en) * | 2007-10-17 | 2016-08-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio coding using downmix |
| RU2497204C2 (ru) * | 2008-05-23 | 2013-10-27 | Конинклейке Филипс Электроникс Н.В. | Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер |
| EP2144229A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient use of phase information in audio encoding and decoding |
| EP2154911A1 (en) * | 2008-08-13 | 2010-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus for determining a spatial output multi-channel audio signal |
| US8258849B2 (en) | 2008-09-25 | 2012-09-04 | Lg Electronics Inc. | Method and an apparatus for processing a signal |
| US8346380B2 (en) | 2008-09-25 | 2013-01-01 | Lg Electronics Inc. | Method and an apparatus for processing a signal |
| EP2169666B1 (en) | 2008-09-25 | 2015-07-15 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
| 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 |
| EP2214161A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for upmixing a downmix audio signal |
| EP2214162A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
| US8666752B2 (en) | 2009-03-18 | 2014-03-04 | Samsung Electronics Co., Ltd. | Apparatus and method for encoding and decoding multi-channel signal |
| CA2746524C (en) | 2009-04-08 | 2015-03-03 | Matthias Neusinger | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
| JP2012525051A (ja) * | 2009-04-21 | 2012-10-18 | 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 | オーディオ信号の合成 |
| US8705769B2 (en) | 2009-05-20 | 2014-04-22 | Stmicroelectronics, Inc. | Two-to-three channel upmix for center channel derivation |
| SG177277A1 (en) * | 2009-06-24 | 2012-02-28 | Fraunhofer Ges Forschung | Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages |
| PL2489037T3 (pl) * | 2009-10-16 | 2022-03-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Urządzenie, sposób i program komputerowy do dostarczania regulowanych parametrów |
| TWI431611B (zh) * | 2009-10-20 | 2014-03-21 | Dolby Int Ab | 用以基於下混信號表示型態提供上混信號表示型態之裝置、用以提供表示多聲道音訊信號的位元串流之裝置、使用失真控制發訊之方法、電腦程式與位元串流 |
| US9165558B2 (en) | 2011-03-09 | 2015-10-20 | Dts Llc | System for dynamically creating and rendering audio objects |
| CN102446507B (zh) * | 2011-09-27 | 2013-04-17 | 华为技术有限公司 | 一种下混信号生成、还原的方法和装置 |
| EP2815399B1 (en) * | 2012-02-14 | 2016-02-10 | Huawei Technologies Co., Ltd. | A method and apparatus for performing an adaptive down- and up-mixing of a multi-channel audio signal |
| CN103325383A (zh) * | 2012-03-23 | 2013-09-25 | 杜比实验室特许公司 | 音频处理方法和音频处理设备 |
| WO2013181272A2 (en) | 2012-05-31 | 2013-12-05 | Dts Llc | Object-based audio system using vector base amplitude panning |
| DE102012210525A1 (de) | 2012-06-21 | 2013-12-24 | Robert Bosch Gmbh | Verfahren zur Funktionskontrolle eines Sensors zur Detektion von Teilchen und Sensor zur Detektion von Teilchen |
| US9288603B2 (en) | 2012-07-15 | 2016-03-15 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
| US9761229B2 (en) | 2012-07-20 | 2017-09-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for audio object clustering |
| KR20140016780A (ko) * | 2012-07-31 | 2014-02-10 | 인텔렉추얼디스커버리 주식회사 | 오디오 신호 처리 방법 및 장치 |
| EP2830053A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| CN111179956B (zh) * | 2013-10-21 | 2023-08-11 | 杜比国际公司 | 音频信号的参数化重构 |
-
2014
- 2014-10-21 CN CN202010024095.6A patent/CN111179956B/zh active Active
- 2014-10-21 JP JP2016524490A patent/JP6479786B2/ja active Active
- 2014-10-21 KR KR1020237000408A patent/KR102741608B1/ko active Active
- 2014-10-21 WO PCT/EP2014/072570 patent/WO2015059153A1/en not_active Ceased
- 2014-10-21 RU RU2016119563A patent/RU2648947C2/ru active
- 2014-10-21 KR KR1020247040654A patent/KR20250004121A/ko active Pending
- 2014-10-21 KR KR1020167010113A patent/KR102244379B1/ko active Active
- 2014-10-21 CN CN201480057568.5A patent/CN105917406B/zh active Active
- 2014-10-21 BR BR112016008817-4A patent/BR112016008817B1/pt active IP Right Grant
- 2014-10-21 ES ES14792778.4T patent/ES2660778T3/es active Active
- 2014-10-21 CN CN202010024100.3A patent/CN111192592B/zh active Active
- 2014-10-21 US US15/031,130 patent/US9978385B2/en active Active
- 2014-10-21 EP EP14792778.4A patent/EP3061089B1/en active Active
- 2014-10-21 KR KR1020227010258A patent/KR102486365B1/ko active Active
- 2014-10-21 KR KR1020217011678A patent/KR102381216B1/ko active Active
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2018
- 2018-05-21 US US15/985,635 patent/US10242685B2/en active Active
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2019
- 2019-03-25 US US16/363,099 patent/US10614825B2/en active Active
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2020
- 2020-04-07 US US16/842,212 patent/US11450330B2/en active Active
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2022
- 2022-09-16 US US17/946,060 patent/US11769516B2/en active Active
-
2023
- 2023-09-25 US US18/474,028 patent/US12175990B2/en active Active
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