JP2017536756A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2017536756A5 JP2017536756A5 JP2017522811A JP2017522811A JP2017536756A5 JP 2017536756 A5 JP2017536756 A5 JP 2017536756A5 JP 2017522811 A JP2017522811 A JP 2017522811A JP 2017522811 A JP2017522811 A JP 2017522811A JP 2017536756 A5 JP2017536756 A5 JP 2017536756A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- channel
- additional
- channels
- downmix
- 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
- 230000005236 sound signal Effects 0.000 claims 42
- 238000000034 method Methods 0.000 claims 16
- 238000013507 mapping Methods 0.000 claims 8
- 230000001360 synchronised effect Effects 0.000 claims 2
- 238000004590 computer program Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462073642P | 2014-10-31 | 2014-10-31 | |
| US62/073,642 | 2014-10-31 | ||
| US201562128425P | 2015-03-04 | 2015-03-04 | |
| US62/128,425 | 2015-03-04 | ||
| PCT/EP2015/075115 WO2016066743A1 (en) | 2014-10-31 | 2015-10-29 | Parametric encoding and decoding of multichannel audio signals |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019235974A Division JP7009437B2 (ja) | 2014-10-31 | 2019-12-26 | 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017536756A JP2017536756A (ja) | 2017-12-07 |
| JP2017536756A5 true JP2017536756A5 (OSRAM) | 2018-12-06 |
| JP6640849B2 JP6640849B2 (ja) | 2020-02-05 |
Family
ID=54705555
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017522811A Active JP6640849B2 (ja) | 2014-10-31 | 2015-10-29 | 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 |
| JP2019235974A Active JP7009437B2 (ja) | 2014-10-31 | 2019-12-26 | 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 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019235974A Active JP7009437B2 (ja) | 2014-10-31 | 2019-12-26 | 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 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9955276B2 (OSRAM) |
| EP (2) | EP3213323B1 (OSRAM) |
| JP (2) | JP6640849B2 (OSRAM) |
| KR (1) | KR102486338B1 (OSRAM) |
| CN (2) | CN111816194B (OSRAM) |
| BR (1) | BR112017008015B1 (OSRAM) |
| ES (1) | ES2709661T3 (OSRAM) |
| RU (1) | RU2704266C2 (OSRAM) |
| WO (1) | WO2016066743A1 (OSRAM) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9674587B2 (en) * | 2012-06-26 | 2017-06-06 | Sonos, Inc. | Systems and methods for networked music playback including remote add to queue |
| WO2016184958A1 (en) * | 2015-05-20 | 2016-11-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Coding of multi-channel audio signals |
| EP3337066B1 (en) | 2016-12-14 | 2020-09-23 | Nokia Technologies Oy | Distributed audio mixing |
| CN107576933B (zh) * | 2017-08-17 | 2020-10-30 | 电子科技大学 | 多维拟合的信源定位方法 |
| WO2020127836A1 (en) | 2018-12-21 | 2020-06-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sound reproduction/simulation system and method for simulating a sound reproduction |
| US20200388292A1 (en) * | 2019-06-10 | 2020-12-10 | Google Llc | Audio channel mixing |
| JP2022547038A (ja) | 2019-09-03 | 2022-11-10 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 低レイテンシ・低音効果コーデック |
| GB2587614A (en) * | 2019-09-26 | 2021-04-07 | Nokia Technologies Oy | Audio encoding and audio decoding |
| TW202533213A (zh) | 2019-10-30 | 2025-08-16 | 美商杜拜研究特許公司 | 使用方向性元資料之多通道音頻編碼及解碼 |
| MX2022015324A (es) * | 2020-06-11 | 2023-02-27 | Dolby Laboratories Licensing Corp | Metodos y dispositivos para codificar y/o decodificar ruido de fondo espacial dentro de una se?al de entrada multicanal. |
| CN114023338B (zh) * | 2020-07-17 | 2025-06-03 | 华为技术有限公司 | 多声道音频信号的编码方法和装置 |
| EP4320615B1 (en) * | 2021-04-06 | 2025-12-03 | Dolby International AB | Coding of envelope information of an audio downmix signal |
| CN117730367A (zh) * | 2023-10-31 | 2024-03-19 | 北京小米移动软件有限公司 | 分组方法、编码器、解码器以及存储介质 |
Family Cites Families (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3277699B2 (ja) * | 1994-06-13 | 2002-04-22 | ソニー株式会社 | 信号符号化方法及び装置並びに信号復号化方法及び装置 |
| US7644003B2 (en) | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| FR2862799B1 (fr) | 2003-11-26 | 2006-02-24 | Inst Nat Rech Inf Automat | Dispositif et methode perfectionnes de spatialisation du son |
| US7394903B2 (en) * | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| SE0402649D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| US20060165247A1 (en) | 2005-01-24 | 2006-07-27 | Thx, Ltd. | Ambient and direct surround sound system |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| ATE421845T1 (de) * | 2005-04-15 | 2009-02-15 | Dolby Sweden Ab | Zeitliche hüllkurvenformgebung von entkorrelierten signalen |
| PL2088580T3 (pl) * | 2005-07-14 | 2012-07-31 | Koninl Philips Electronics Nv | Kodowanie sygnałów audio |
| EP1921606B1 (en) | 2005-09-02 | 2011-10-19 | Panasonic Corporation | Energy shaping device and energy shaping method |
| TWI485698B (zh) * | 2005-09-14 | 2015-05-21 | Lg Electronics Inc | 音頻訊號之解碼方法及其裝置 |
| KR100888474B1 (ko) * | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
| EP3267439A1 (en) * | 2006-02-03 | 2018-01-10 | Electronics and Telecommunications Research Institute | Method and apparatus for control of rendering multiobject or multichannel audio signal using spatial cue |
| JP4396683B2 (ja) * | 2006-10-02 | 2010-01-13 | カシオ計算機株式会社 | 音声符号化装置、音声符号化方法、及び、プログラム |
| US8687829B2 (en) * | 2006-10-16 | 2014-04-01 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for multi-channel parameter transformation |
| EP2137725B1 (en) * | 2007-04-26 | 2014-01-08 | Dolby International AB | Apparatus and method for synthesizing an output signal |
| 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 |
| MX2010012580A (es) * | 2008-05-23 | 2010-12-20 | Koninkl Philips Electronics Nv | Aparato de mezcla ascendente estereo parametrico, decodificador estereo parametrico, aparato de mezcla descendente estereo parametrico, codificador estereo parametrico. |
| EP2144230A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| CN102177542B (zh) | 2008-10-10 | 2013-01-09 | 艾利森电话股份有限公司 | 能量保留多通道音频编码 |
| 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 |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| ES2511390T3 (es) | 2009-04-08 | 2014-10-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato, procedimiento y programa de computación para mezclar en forma ascendente una señal de audio con mezcla descendente utilizando una suavización de valor de fase |
| US20120039477A1 (en) * | 2009-04-21 | 2012-02-16 | Koninklijke Philips Electronics N.V. | Audio signal synthesizing |
| EP2249334A1 (en) | 2009-05-08 | 2010-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio format transcoder |
| EP2360681A1 (en) | 2010-01-15 | 2011-08-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information |
| CA3125378C (en) * | 2010-04-09 | 2023-02-07 | Dolby International Ab | Audio upmixer operable in prediction or non-prediction mode |
| TWI462087B (zh) * | 2010-11-12 | 2014-11-21 | Dolby Lab Licensing Corp | 複數音頻信號之降混方法、編解碼方法及混合系統 |
| US9219972B2 (en) | 2010-11-19 | 2015-12-22 | Nokia Technologies Oy | Efficient audio coding having reduced bit rate for ambient signals and decoding using same |
| JP5955862B2 (ja) | 2011-01-04 | 2016-07-20 | ディーティーエス・エルエルシーDts Llc | 没入型オーディオ・レンダリング・システム |
| US9026450B2 (en) | 2011-03-09 | 2015-05-05 | Dts Llc | System for dynamically creating and rendering audio objects |
| TWI853425B (zh) | 2011-07-01 | 2024-08-21 | 美商杜比實驗室特許公司 | 用於適應性音頻信號的產生、譯碼與呈現之系統與方法 |
| BR112014010062B1 (pt) * | 2011-11-01 | 2021-12-14 | Koninklijke Philips N.V. | Codificador de objeto de áudio, decodificador de objeto de áudio, método para a codificação de objeto de áudio, e método para a decodificação de objeto de áudio |
| WO2013122388A1 (en) | 2012-02-15 | 2013-08-22 | Samsung Electronics Co., Ltd. | Data transmission apparatus, data receiving apparatus, data transceiving system, data transmission method and data receiving method |
| CN104160442B (zh) * | 2012-02-24 | 2016-10-12 | 杜比国际公司 | 音频处理 |
| CN103460283B (zh) * | 2012-04-05 | 2015-04-29 | 华为技术有限公司 | 确定多信道音频信号的编码参数的方法及多信道音频编码器 |
| WO2013186344A2 (en) * | 2012-06-14 | 2013-12-19 | Dolby International Ab | Smooth configuration switching for multichannel audio rendering based on a variable number of received channels |
| AU2013284704B2 (en) | 2012-07-02 | 2019-01-31 | Sony Corporation | Decoding device and method, encoding device and method, and program |
| US9473870B2 (en) | 2012-07-16 | 2016-10-18 | Qualcomm Incorporated | Loudspeaker position compensation with 3D-audio hierarchical coding |
| US9516446B2 (en) | 2012-07-20 | 2016-12-06 | Qualcomm Incorporated | Scalable downmix design for object-based surround codec with cluster analysis by synthesis |
| EP3253079B1 (en) | 2012-08-31 | 2023-04-05 | Dolby Laboratories Licensing Corporation | System for rendering and playback of object based audio in various listening environments |
| WO2014035902A2 (en) | 2012-08-31 | 2014-03-06 | Dolby Laboratories Licensing Corporation | Reflected and direct rendering of upmixed content to individually addressable drivers |
| BR122021021506B1 (pt) | 2012-09-12 | 2023-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | Aparelho e método para fornecer capacidades melhoradas de downmix guiado para áudio 3d |
| WO2014068583A1 (en) | 2012-11-02 | 2014-05-08 | Pulz Electronics Pvt. Ltd. | Multi platform 4 layer and x, y, z axis audio recording, mixing and playback process |
| US9736609B2 (en) | 2013-02-07 | 2017-08-15 | Qualcomm Incorporated | Determining renderers for spherical harmonic coefficients |
| EP2956935B1 (en) | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| CN110010140B (zh) * | 2013-04-05 | 2023-04-18 | 杜比国际公司 | 立体声音频编码器和解码器 |
| ES2660778T3 (es) | 2013-10-21 | 2018-03-26 | Dolby International Ab | Reconstrucción paramétrica de señales de audio |
| 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 |
-
2015
- 2015-10-29 BR BR112017008015-0A patent/BR112017008015B1/pt active IP Right Grant
- 2015-10-29 RU RU2017114642A patent/RU2704266C2/ru active
- 2015-10-29 JP JP2017522811A patent/JP6640849B2/ja active Active
- 2015-10-29 ES ES15801335T patent/ES2709661T3/es active Active
- 2015-10-29 KR KR1020177011541A patent/KR102486338B1/ko active Active
- 2015-10-29 US US15/521,157 patent/US9955276B2/en active Active
- 2015-10-29 EP EP15801335.9A patent/EP3213323B1/en active Active
- 2015-10-29 CN CN202010517613.8A patent/CN111816194B/zh active Active
- 2015-10-29 WO PCT/EP2015/075115 patent/WO2016066743A1/en not_active Ceased
- 2015-10-29 EP EP18209379.9A patent/EP3540732B1/en active Active
- 2015-10-29 CN CN201580059276.XA patent/CN107004421B/zh active Active
-
2019
- 2019-12-26 JP JP2019235974A patent/JP7009437B2/ja active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2017536756A5 (OSRAM) | ||
| JP7617154B2 (ja) | マルチチャンネル信号を符号化又は復号化するための装置と方法 | |
| EP1807824B1 (en) | Interpolation and signalling of spacial reconstruction parameters for multichannel coding and decoding of audio sources | |
| RU2017114642A (ru) | Параметрическое кодирование и декодирование многоканальных аудиосигналов | |
| RU2012144366A (ru) | Стереофоническое кодирование на основе mdct с комплексным предсказанием | |
| US11056122B2 (en) | Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal | |
| JP2016537669A5 (OSRAM) | ||
| JP2009525671A (ja) | 空間キューを用いたマルチオブジェクト又はマルチチャネルオーディオ信号のレンダリング制御方法及びその装置 | |
| JP2011522472A5 (OSRAM) | ||
| JP2014520473A5 (OSRAM) | ||
| KR102349931B1 (ko) | 상관해제 필터들의 적응적 제어를 위한 방법 및 장치 | |
| TW201407603A (zh) | 運用針對參數音訊物件編碼之殘差槪念之編碼器、解碼器、系統及方法 | |
| RU2015116434A (ru) | Кодер, декодер и способы для обратно совместимого пространственного кодирования аудиообъектов с переменным разрешением | |
| CN110114828B (zh) | 使用比率作为分离特征来分解音频信号的装置和方法 | |
| RU2017113711A (ru) | Аудиокодировщик и декодер | |
| DK3201918T3 (en) | DECODING PROCEDURE AND DECODS FOR DIALOGUE IMPROVEMENT | |
| KR20140047509A (ko) | 객체 오디오 신호의 잔향 신호를 이용한 오디오 부/복호화 장치 | |
| KR102335911B1 (ko) | 객체 오디오 신호의 잔향 신호를 이용한 오디오 부/복호화 장치 | |
| HK1235540A1 (en) | Decoding method and decoder for dialog enhancement | |
| HK1235540B (en) | Decoding method and decoder for dialog enhancement | |
| JP6306958B2 (ja) | 音響信号変換装置、音響信号変換方法、音響信号変換プログラム | |
| RU2798759C2 (ru) | Параметрическое кодирование и декодирование многоканальных аудиосигналов | |
| HK1106862B (en) | Interpolation and signalling of spacial reconstruction parameters for multichannel coding and decoding of audio sources |