MX359379B - Mezcla ascendente espacial controlada por renderizador. - Google Patents
Mezcla ascendente espacial controlada por renderizador.Info
- Publication number
- MX359379B MX359379B MX2016000916A MX2016000916A MX359379B MX 359379 B MX359379 B MX 359379B MX 2016000916 A MX2016000916 A MX 2016000916A MX 2016000916 A MX2016000916 A MX 2016000916A MX 359379 B MX359379 B MX 359379B
- Authority
- MX
- Mexico
- Prior art keywords
- processor
- output signal
- processors
- signal
- core decoder
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 2
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
- H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo five- or more-channel type, e.g. virtual surround
-
- 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
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
-
- 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
- H04S2420/03—Application of parametric coding in stereophonic audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
Un dispositivo decodificador de audio para la decodificación de una señal de audio de entrada comprimida que comprende: por lo menos un decodificador núcleo (6, 24) que tiene uno o más procesadores (36, 36´) para la generación de una señal de salida del procesador (37) sobre la base de una señal de entrada del procesador (38, 38´), donde una cantidad de canales de salida (37.1, 37.2, 37.1´, 37.2´) de la señal de salida del procesador (37, 37´) es mayor que una cantidad de canales de entrada (38.1, 38.1´) de la señal de entrada del procesador (38, 38´), donde cada uno de los uno o más procesadores (36, 36´) comprende a descorrelacionador (39, 39´) y una mezcladora (40, 40´), donde una señal de salida de decodificador núcleo (13) que tiene una pluralidad de canales (13.1, 13.2, 13.3, 13,4) comprende una señal de salida del procesador (37, 37´), y donde la señal de salida del decodificador núcleo (13) es adecuada para un contexto de altoparlante de referencia (42); por lo menos un dispositivo conversor de formato (9, 10) configurado para convertir la señal de salida del decodificador núcleo (13) en una señal de audio de salida (31), adecuada para un contexto de altoparlante objetivo (45); y un dispositivo de control (46) configurado para el control de por lo menos uno o más procesadores (36, 36´) de manera tal que el descorrelacionador (39, 39´) del procesador (36, 36´) puede ser controlado en forma independiente de la mezcladora (40, 40´) del procesador (36, 36´), donde el dispositivo de control (46) está configurado para el control de por lo menos uno de los descorrelacionadores (39, 39´) de los uno o más procesadores (36, 36´) de acuerdo con el contexto de altoparlante objetivo (45).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13177368 | 2013-07-22 | ||
EP20130189285 EP2830336A3 (en) | 2013-07-22 | 2013-10-18 | Renderer controlled spatial upmix |
PCT/EP2014/065037 WO2015010937A2 (en) | 2013-07-22 | 2014-07-14 | Renderer controlled spatial upmix |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2016000916A MX2016000916A (es) | 2016-05-05 |
MX359379B true MX359379B (es) | 2018-09-25 |
Family
ID=48874136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2016000916A MX359379B (es) | 2013-07-22 | 2014-07-14 | Mezcla ascendente espacial controlada por renderizador. |
Country Status (17)
Country | Link |
---|---|
US (4) | US10085104B2 (es) |
EP (2) | EP2830336A3 (es) |
JP (1) | JP6134867B2 (es) |
KR (1) | KR101795324B1 (es) |
CN (2) | CN110234060B (es) |
AR (1) | AR096987A1 (es) |
AU (1) | AU2014295285B2 (es) |
BR (1) | BR112016001246B1 (es) |
CA (1) | CA2918641C (es) |
ES (1) | ES2734378T3 (es) |
MX (1) | MX359379B (es) |
PL (1) | PL3025521T3 (es) |
PT (1) | PT3025521T (es) |
RU (1) | RU2659497C2 (es) |
SG (1) | SG11201600459VA (es) |
TW (1) | TWI541796B (es) |
WO (1) | WO2015010937A2 (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102185941B1 (ko) * | 2011-07-01 | 2020-12-03 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 적응형 오디오 신호 생성, 코딩 및 렌더링을 위한 시스템 및 방법 |
WO2014112793A1 (ko) | 2013-01-15 | 2014-07-24 | 한국전자통신연구원 | 채널 신호를 처리하는 부호화/복호화 장치 및 방법 |
EP2830336A3 (en) * | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Renderer controlled spatial upmix |
US10170125B2 (en) | 2013-09-12 | 2019-01-01 | Dolby International Ab | Audio decoding system and audio encoding system |
EP3611727B1 (en) * | 2015-03-03 | 2022-05-04 | Dolby Laboratories Licensing Corporation | Enhancement of spatial audio signals by modulated decorrelation |
CN107771346B (zh) | 2015-06-17 | 2021-09-21 | 三星电子株式会社 | 实现低复杂度格式转换的内部声道处理方法和装置 |
CN108028988B (zh) * | 2015-06-17 | 2020-07-03 | 三星电子株式会社 | 处理低复杂度格式转换的内部声道的设备和方法 |
WO2017165968A1 (en) * | 2016-03-29 | 2017-10-05 | Rising Sun Productions Limited | A system and method for creating three-dimensional binaural audio from stereo, mono and multichannel sound sources |
US9913061B1 (en) | 2016-08-29 | 2018-03-06 | The Directv Group, Inc. | Methods and systems for rendering binaural audio content |
US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
CN110998721B (zh) | 2017-07-28 | 2024-04-26 | 弗劳恩霍夫应用研究促进协会 | 用于使用宽频带滤波器生成的填充信号对已编码的多声道信号进行编码或解码的装置 |
WO2020216459A1 (en) * | 2019-04-23 | 2020-10-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method or computer program for generating an output downmix representation |
CN114822564A (zh) * | 2021-01-21 | 2022-07-29 | 华为技术有限公司 | 音频对象的比特分配方法和装置 |
WO2022258876A1 (en) * | 2021-06-10 | 2022-12-15 | Nokia Technologies Oy | Parametric spatial audio rendering |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6311155B1 (en) * | 2000-02-04 | 2001-10-30 | Hearing Enhancement Company Llc | Use of voice-to-remaining audio (VRA) in consumer applications |
JP4322207B2 (ja) | 2002-07-12 | 2009-08-26 | 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 | オーディオ符号化方法 |
DE602005005640T2 (de) | 2004-03-01 | 2009-05-14 | Dolby Laboratories Licensing Corp., San Francisco | Mehrkanalige audiocodierung |
JP2006050241A (ja) * | 2004-08-04 | 2006-02-16 | Matsushita Electric Ind Co Ltd | 復号化装置 |
KR100803212B1 (ko) * | 2006-01-11 | 2008-02-14 | 삼성전자주식회사 | 스케일러블 채널 복호화 방법 및 장치 |
KR20080093024A (ko) * | 2006-02-07 | 2008-10-17 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
RU2407226C2 (ru) * | 2006-03-24 | 2010-12-20 | Долби Свидн Аб | Генерация пространственных сигналов понижающего микширования из параметрических представлений мультиканальных сигналов |
JP4875142B2 (ja) * | 2006-03-28 | 2012-02-15 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | マルチチャネル・サラウンドサウンドのためのデコーダのための方法及び装置 |
US8027479B2 (en) | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
DE102006050068B4 (de) * | 2006-10-24 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Umgebungssignals aus einem Audiosignal, Vorrichtung und Verfahren zum Ableiten eines Mehrkanal-Audiosignals aus einem Audiosignal und Computerprogramm |
ES2452348T3 (es) * | 2007-04-26 | 2014-04-01 | Dolby International Ab | Aparato y procedimiento para sintetizar una señal de salida |
KR101328962B1 (ko) * | 2008-01-01 | 2013-11-13 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
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 |
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 |
CN102414743A (zh) * | 2009-04-21 | 2012-04-11 | 皇家飞利浦电子股份有限公司 | 音频信号合成 |
JP5864892B2 (ja) | 2010-06-02 | 2016-02-17 | キヤノン株式会社 | X線導波路 |
EP2578000A1 (en) * | 2010-06-02 | 2013-04-10 | Koninklijke Philips Electronics N.V. | System and method for sound processing |
JP5998467B2 (ja) * | 2011-12-14 | 2016-09-28 | 富士通株式会社 | 復号装置、復号方法、及び復号プログラム |
EP2830336A3 (en) * | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Renderer controlled spatial upmix |
-
2013
- 2013-10-18 EP EP20130189285 patent/EP2830336A3/en not_active Withdrawn
-
2014
- 2014-07-14 PT PT14753020T patent/PT3025521T/pt unknown
- 2014-07-14 MX MX2016000916A patent/MX359379B/es active IP Right Grant
- 2014-07-14 ES ES14753020T patent/ES2734378T3/es active Active
- 2014-07-14 PL PL14753020T patent/PL3025521T3/pl unknown
- 2014-07-14 SG SG11201600459VA patent/SG11201600459VA/en unknown
- 2014-07-14 JP JP2016528409A patent/JP6134867B2/ja active Active
- 2014-07-14 WO PCT/EP2014/065037 patent/WO2015010937A2/en active Application Filing
- 2014-07-14 CA CA2918641A patent/CA2918641C/en active Active
- 2014-07-14 RU RU2016105520A patent/RU2659497C2/ru active
- 2014-07-14 TW TW103124175A patent/TWI541796B/zh active
- 2014-07-14 CN CN201910207867.7A patent/CN110234060B/zh active Active
- 2014-07-14 BR BR112016001246-1A patent/BR112016001246B1/pt active IP Right Grant
- 2014-07-14 EP EP14753020.8A patent/EP3025521B1/en active Active
- 2014-07-14 AU AU2014295285A patent/AU2014295285B2/en active Active
- 2014-07-14 KR KR1020167003937A patent/KR101795324B1/ko active IP Right Grant
- 2014-07-14 CN CN201480051924.2A patent/CN105580391B/zh active Active
- 2014-07-21 AR ARP140102689A patent/AR096987A1/es active IP Right Grant
-
2016
- 2016-01-22 US US15/004,659 patent/US10085104B2/en active Active
-
2017
- 2017-12-27 US US15/854,967 patent/US10341801B2/en active Active
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2019
- 2019-05-24 US US16/422,405 patent/US11184728B2/en active Active
-
2021
- 2021-11-11 US US17/524,663 patent/US11743668B2/en active Active
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