JP2020204778A5 - - Google Patents
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- JP2020204778A5 JP2020204778A5 JP2020147541A JP2020147541A JP2020204778A5 JP 2020204778 A5 JP2020204778 A5 JP 2020204778A5 JP 2020147541 A JP2020147541 A JP 2020147541A JP 2020147541 A JP2020147541 A JP 2020147541A JP 2020204778 A5 JP2020204778 A5 JP 2020204778A5
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- 230000005236 sound signal Effects 0.000 claims 20
- 238000000034 method Methods 0.000 claims 5
- 230000003595 spectral effect Effects 0.000 claims 4
- 238000006243 chemical reaction Methods 0.000 claims 3
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021183937A JP7196268B2 (ja) | 2013-09-12 | 2021-11-11 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2022199242A JP7726612B2 (ja) | 2013-09-12 | 2022-12-14 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2025130421A JP2025163183A (ja) | 2013-09-12 | 2025-08-05 | マルチチャネル・オーディオ・コンテンツの符号化 |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361877189P | 2013-09-12 | 2013-09-12 | |
| US61/877,189 | 2013-09-12 | ||
| US201361893770P | 2013-10-21 | 2013-10-21 | |
| US61/893,770 | 2013-10-21 | ||
| US201461973628P | 2014-04-01 | 2014-04-01 | |
| US61/973,628 | 2014-04-01 | ||
| JP2018102075A JP6759277B2 (ja) | 2013-09-12 | 2018-05-29 | マルチチャネル・オーディオ・コンテンツの符号化 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018102075A Division JP6759277B2 (ja) | 2013-09-12 | 2018-05-29 | マルチチャネル・オーディオ・コンテンツの符号化 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021183937A Division JP7196268B2 (ja) | 2013-09-12 | 2021-11-11 | マルチチャネル・オーディオ・コンテンツの符号化 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020204778A JP2020204778A (ja) | 2020-12-24 |
| JP2020204778A5 true JP2020204778A5 (https=) | 2021-10-21 |
| JP6978565B2 JP6978565B2 (ja) | 2021-12-08 |
Family
ID=51492343
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016541903A Active JP6392353B2 (ja) | 2013-09-12 | 2014-09-08 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2017119471A Active JP6644732B2 (ja) | 2013-09-12 | 2017-06-19 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2018102075A Active JP6759277B2 (ja) | 2013-09-12 | 2018-05-29 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2020147541A Active JP6978565B2 (ja) | 2013-09-12 | 2020-09-02 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2021183937A Active JP7196268B2 (ja) | 2013-09-12 | 2021-11-11 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2022199242A Active JP7726612B2 (ja) | 2013-09-12 | 2022-12-14 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2025130421A Pending JP2025163183A (ja) | 2013-09-12 | 2025-08-05 | マルチチャネル・オーディオ・コンテンツの符号化 |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016541903A Active JP6392353B2 (ja) | 2013-09-12 | 2014-09-08 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2017119471A Active JP6644732B2 (ja) | 2013-09-12 | 2017-06-19 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2018102075A Active JP6759277B2 (ja) | 2013-09-12 | 2018-05-29 | マルチチャネル・オーディオ・コンテンツの符号化 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021183937A Active JP7196268B2 (ja) | 2013-09-12 | 2021-11-11 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2022199242A Active JP7726612B2 (ja) | 2013-09-12 | 2022-12-14 | マルチチャネル・オーディオ・コンテンツの符号化 |
| JP2025130421A Pending JP2025163183A (ja) | 2013-09-12 | 2025-08-05 | マルチチャネル・オーディオ・コンテンツの符号化 |
Country Status (6)
| Country | Link |
|---|---|
| US (6) | US9646619B2 (https=) |
| EP (4) | EP3293734B1 (https=) |
| JP (7) | JP6392353B2 (https=) |
| CN (7) | CN110634494B (https=) |
| ES (1) | ES2641538T3 (https=) |
| WO (1) | WO2015036352A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015036352A1 (en) * | 2013-09-12 | 2015-03-19 | Dolby International Ab | Coding of multichannel audio content |
| WO2017068747A1 (ja) | 2015-10-20 | 2017-04-27 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 通信装置及び通信方法 |
| EP3588495A1 (en) * | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
| EP3818524B1 (en) * | 2018-07-02 | 2023-12-13 | Dolby Laboratories Licensing Corporation | Methods and devices for generating or decoding a bitstream comprising immersive audio signals |
| BR112020026967A2 (pt) * | 2018-07-04 | 2021-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificação de áudio de multissinal usando branqueamento de sinal como pré-processamento |
| WO2020089302A1 (en) | 2018-11-02 | 2020-05-07 | Dolby International Ab | An audio encoder and an audio decoder |
| CN113689890B (zh) * | 2021-08-09 | 2024-07-30 | 北京小米移动软件有限公司 | 多声道信号的转换方法、装置及存储介质 |
Family Cites Families (60)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2811692B2 (ja) * | 1988-11-08 | 1998-10-15 | ヤマハ株式会社 | 複数チャンネルの信号圧縮方法 |
| DE19742655C2 (de) * | 1997-09-26 | 1999-08-05 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals |
| KR100335611B1 (ko) * | 1997-11-20 | 2002-10-09 | 삼성전자 주식회사 | 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치 |
| SE0301273D0 (sv) * | 2003-04-30 | 2003-04-30 | Coding Technologies Sweden Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| CA2808226C (en) * | 2004-03-01 | 2016-07-19 | Dolby Laboratories Licensing Corporation | Multichannel audio coding |
| US20090299756A1 (en) | 2004-03-01 | 2009-12-03 | Dolby Laboratories Licensing Corporation | Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners |
| CN1677490A (zh) * | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
| SE0402650D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Improved parametric stereo compatible coding of spatial audio |
| SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| KR100682904B1 (ko) * | 2004-12-01 | 2007-02-15 | 삼성전자주식회사 | 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법 |
| US20070055510A1 (en) | 2005-07-19 | 2007-03-08 | Johannes Hilpert | Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding |
| US8160888B2 (en) * | 2005-07-19 | 2012-04-17 | Koninklijke Philips Electronics N.V | Generation of multi-channel audio signals |
| US7761303B2 (en) * | 2005-08-30 | 2010-07-20 | Lg Electronics Inc. | Slot position coding of TTT syntax of spatial audio coding application |
| KR100888474B1 (ko) * | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
| WO2007080211A1 (en) * | 2006-01-09 | 2007-07-19 | Nokia Corporation | Decoding of binaural audio signals |
| US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| KR101435893B1 (ko) * | 2006-09-22 | 2014-09-02 | 삼성전자주식회사 | 대역폭 확장 기법 및 스테레오 부호화 기법을 이용한오디오 신호의 부호화/복호화 방법 및 장치 |
| WO2008035949A1 (en) * | 2006-09-22 | 2008-03-27 | Samsung Electronics Co., Ltd. | Method, medium, and system encoding and/or decoding audio signals by using bandwidth extension and stereo coding |
| EP2082397B1 (en) | 2006-10-16 | 2011-12-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for multi -channel parameter transformation |
| AU2007312598B2 (en) * | 2006-10-16 | 2011-01-20 | Dolby International Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
| US8571875B2 (en) * | 2006-10-18 | 2013-10-29 | Samsung Electronics Co., Ltd. | Method, medium, and apparatus encoding and/or decoding multichannel audio signals |
| US8290167B2 (en) * | 2007-03-21 | 2012-10-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
| CN101276587B (zh) * | 2007-03-27 | 2012-02-01 | 北京天籁传音数字技术有限公司 | 声音编码装置及其方法和声音解码装置及其方法 |
| CN101067931B (zh) * | 2007-05-10 | 2011-04-20 | 芯晟(北京)科技有限公司 | 一种高效可配置的频域参数立体声及多声道编解码方法与系统 |
| US8064624B2 (en) * | 2007-07-19 | 2011-11-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for generating a stereo signal with enhanced perceptual quality |
| JP5883561B2 (ja) * | 2007-10-17 | 2016-03-15 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | アップミックスを使用した音声符号器 |
| EP2209114B1 (en) * | 2007-10-31 | 2014-05-14 | Panasonic Corporation | Speech coding/decoding apparatus/method |
| EP2083584B1 (en) * | 2008-01-23 | 2010-09-15 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
| KR101381513B1 (ko) * | 2008-07-14 | 2014-04-07 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| PT2146344T (pt) * | 2008-07-17 | 2016-10-13 | Fraunhofer Ges Forschung | Esquema de codificação/descodificação de áudio com uma derivação comutável |
| 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 |
| WO2010042024A1 (en) | 2008-10-10 | 2010-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Energy conservative multi-channel audio coding |
| MX2011011399A (es) * | 2008-10-17 | 2012-06-27 | Univ Friedrich Alexander Er | Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto. |
| 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 |
| BR122019023947B1 (pt) * | 2009-03-17 | 2021-04-06 | Dolby International Ab | Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo |
| US20100324915A1 (en) * | 2009-06-23 | 2010-12-23 | Electronic And Telecommunications Research Institute | Encoding and decoding apparatuses for high quality multi-channel audio codec |
| TWI433137B (zh) * | 2009-09-10 | 2014-04-01 | Dolby Int Ab | 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法 |
| KR101710113B1 (ko) * | 2009-10-23 | 2017-02-27 | 삼성전자주식회사 | 위상 정보와 잔여 신호를 이용한 부호화/복호화 장치 및 방법 |
| TWI557723B (zh) * | 2010-02-18 | 2016-11-11 | 杜比實驗室特許公司 | 解碼方法及系統 |
| JP5604933B2 (ja) * | 2010-03-30 | 2014-10-15 | 富士通株式会社 | ダウンミクス装置およびダウンミクス方法 |
| EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| CA2992917C (en) * | 2010-04-09 | 2020-05-26 | Dolby International Ab | Mdct-based complex prediction stereo coding |
| JP5820464B2 (ja) | 2010-04-13 | 2015-11-24 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | オーディオまたはビデオエンコーダ、オーディオまたはビデオデコーダ、及び予測方向可変の予測を使用したマルチチャンネルオーディオまたはビデオ信号処理方法 |
| CN101894559B (zh) * | 2010-08-05 | 2012-06-06 | 展讯通信(上海)有限公司 | 音频处理方法及其装置 |
| ES2526320T3 (es) * | 2010-08-24 | 2015-01-09 | Dolby International Ab | Ocultamiento de la recepción mono intermitente de receptores de radio estéreo de FM |
| US9026450B2 (en) | 2011-03-09 | 2015-05-05 | Dts Llc | System for dynamically creating and rendering audio objects |
| CN103649706B (zh) | 2011-03-16 | 2015-11-25 | Dts(英属维尔京群岛)有限公司 | 三维音频音轨的编码及再现 |
| US8654984B2 (en) * | 2011-04-26 | 2014-02-18 | Skype | Processing stereophonic audio signals |
| UA107771C2 (en) * | 2011-09-29 | 2015-02-10 | Dolby Int Ab | Prediction-based fm stereo radio noise reduction |
| IN2014CN03413A (https=) | 2011-11-01 | 2015-07-03 | Koninkl Philips Nv | |
| TWI505262B (zh) * | 2012-05-15 | 2015-10-21 | Dolby Int Ab | 具多重子流之多通道音頻信號的有效編碼與解碼 |
| EP2862166B1 (en) | 2012-06-14 | 2018-03-07 | Dolby International AB | Error concealment strategy in a decoding system |
| EP2862370B1 (en) | 2012-06-19 | 2017-08-30 | Dolby Laboratories Licensing Corporation | Rendering and playback of spatial audio using channel-based audio systems |
| US9288603B2 (en) | 2012-07-15 | 2016-03-15 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
| CN102737647A (zh) * | 2012-07-23 | 2012-10-17 | 武汉大学 | 双声道音频音质增强编解码方法及装置 |
| KR20190134821A (ko) | 2013-04-05 | 2019-12-04 | 돌비 인터네셔널 에이비 | 스테레오 오디오 인코더 및 디코더 |
| KR20140128564A (ko) * | 2013-04-27 | 2014-11-06 | 인텔렉추얼디스커버리 주식회사 | 음상 정위를 위한 오디오 시스템 및 방법 |
| WO2015036352A1 (en) | 2013-09-12 | 2015-03-19 | Dolby International Ab | Coding of multichannel audio content |
| TWI671734B (zh) | 2013-09-12 | 2019-09-11 | 瑞典商杜比國際公司 | 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置及編碼裝置的音訊系統 |
| JP2018102075A (ja) * | 2016-12-21 | 2018-06-28 | トヨタ自動車株式会社 | コイルの被膜剥離装置 |
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2014
- 2014-09-08 WO PCT/EP2014/069044 patent/WO2015036352A1/en not_active Ceased
- 2014-09-08 CN CN201910923737.3A patent/CN110634494B/zh active Active
- 2014-09-08 JP JP2016541903A patent/JP6392353B2/ja active Active
- 2014-09-08 EP EP17185213.0A patent/EP3293734B1/en active Active
- 2014-09-08 EP EP19174069.5A patent/EP3561809B1/en active Active
- 2014-09-08 CN CN202310876982.XA patent/CN117037810A/zh active Pending
- 2014-09-08 CN CN201480050044.3A patent/CN105556597B/zh active Active
- 2014-09-08 CN CN201910902153.8A patent/CN110473560B/zh active Active
- 2014-09-08 CN CN201910914412.9A patent/CN110648674B/zh active Active
- 2014-09-08 EP EP14759219.0A patent/EP3044784B1/en active Active
- 2014-09-08 CN CN202310882618.4A patent/CN117037811A/zh active Pending
- 2014-09-08 ES ES14759219.0T patent/ES2641538T3/es active Active
- 2014-09-08 US US14/916,176 patent/US9646619B2/en active Active
- 2014-09-08 CN CN201710504258.9A patent/CN107134280B/zh active Active
- 2014-09-08 EP EP23209450.8A patent/EP4297026A3/en active Pending
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2017
- 2017-04-18 US US15/490,810 patent/US9899029B2/en active Active
- 2017-06-19 JP JP2017119471A patent/JP6644732B2/ja active Active
- 2017-12-18 US US15/845,636 patent/US10325607B2/en active Active
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2018
- 2018-05-29 JP JP2018102075A patent/JP6759277B2/ja active Active
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2019
- 2019-05-09 US US16/408,318 patent/US10593340B2/en active Active
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2020
- 2020-02-25 US US16/800,294 patent/US11410665B2/en active Active
- 2020-09-02 JP JP2020147541A patent/JP6978565B2/ja active Active
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2021
- 2021-11-11 JP JP2021183937A patent/JP7196268B2/ja active Active
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2022
- 2022-08-04 US US17/817,399 patent/US11776552B2/en active Active
- 2022-12-14 JP JP2022199242A patent/JP7726612B2/ja active Active
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2025
- 2025-08-05 JP JP2025130421A patent/JP2025163183A/ja active Pending
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