AR096987A1 - Mezcla ascendente espacial controlada por renderizador - Google Patents
Mezcla ascendente espacial controlada por renderizadorInfo
- Publication number
- AR096987A1 AR096987A1 ARP140102689A ARP140102689A AR096987A1 AR 096987 A1 AR096987 A1 AR 096987A1 AR P140102689 A ARP140102689 A AR P140102689A AR P140102689 A ARP140102689 A AR P140102689A AR 096987 A1 AR096987 A1 AR 096987A1
- Authority
- AR
- Argentina
- 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
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- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (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 mas procesadores (36, 36) de acuerdo con el contexto de altoparlante objetivo (45).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13177368 | 2013-07-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR096987A1 true AR096987A1 (es) | 2016-02-10 |
Family
ID=48874136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140102689A AR096987A1 (es) | 2013-07-22 | 2014-07-21 | 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 |
---|---|---|---|---|
KR101845226B1 (ko) * | 2011-07-01 | 2018-05-18 | 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 |
EP3044783B1 (en) | 2013-09-12 | 2017-07-19 | Dolby International AB | Audio coding |
EP4123643B1 (en) * | 2015-03-03 | 2024-06-19 | Dolby Laboratories Licensing Corporation | Enhancement of spatial audio signals by modulated decorrelation |
CN114005454A (zh) * | 2015-06-17 | 2022-02-01 | 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 |
US10607622B2 (en) * | 2015-06-17 | 2020-03-31 | Samsung Electronics Co., Ltd. | Device and method for processing internal channel for low complexity format conversion |
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 |
WO2019020757A2 (en) | 2017-07-28 | 2019-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | APPARATUS FOR ENCODING OR DECODING A MULTI-CHANNEL SIGNAL ENCODED USING A FILLING SIGNAL GENERATED BY A BROADBAND FILTER |
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 |
CN100539742C (zh) * | 2002-07-12 | 2009-09-09 | 皇家飞利浦电子股份有限公司 | 多声道音频信号编解码方法和装置 |
MY145083A (en) | 2004-03-01 | 2011-12-15 | Dolby Lab Licensing Corp | Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information. |
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 |
KR100983286B1 (ko) | 2006-02-07 | 2010-09-24 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
KR101010464B1 (ko) * | 2006-03-24 | 2011-01-21 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 멀티 채널 신호의 파라메트릭 표현으로부터 공간적 다운믹스 신호의 생성 |
ATE538604T1 (de) * | 2006-03-28 | 2012-01-15 | Ericsson Telefon Ab L M | Verfahren und anordnung für einen decoder für mehrkanal-surroundton |
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 |
CA2684975C (en) * | 2007-04-26 | 2016-08-02 | Dolby Sweden Ab | Apparatus and method for synthesizing an output signal |
US20100316230A1 (en) * | 2008-01-01 | 2010-12-16 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal |
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 |
KR20120006060A (ko) * | 2009-04-21 | 2012-01-17 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 신호 합성 |
CN102907120B (zh) * | 2010-06-02 | 2016-05-25 | 皇家飞利浦电子股份有限公司 | 用于声音处理的系统和方法 |
JP5864892B2 (ja) | 2010-06-02 | 2016-02-17 | キヤノン株式会社 | X線導波路 |
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 |
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2013
- 2013-10-18 EP EP20130189285 patent/EP2830336A3/en not_active Withdrawn
-
2014
- 2014-07-14 ES ES14753020T patent/ES2734378T3/es active Active
- 2014-07-14 BR BR112016001246-1A patent/BR112016001246B1/pt active IP Right Grant
- 2014-07-14 PT PT14753020T patent/PT3025521T/pt unknown
- 2014-07-14 EP EP14753020.8A patent/EP3025521B1/en active Active
- 2014-07-14 JP JP2016528409A patent/JP6134867B2/ja active Active
- 2014-07-14 CN CN201910207867.7A patent/CN110234060B/zh active Active
- 2014-07-14 CN CN201480051924.2A patent/CN105580391B/zh 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 MX MX2016000916A patent/MX359379B/es active IP Right Grant
- 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 PL PL14753020T patent/PL3025521T3/pl unknown
- 2014-07-14 TW TW103124175A patent/TWI541796B/zh active
- 2014-07-14 SG SG11201600459VA patent/SG11201600459VA/en unknown
- 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
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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
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2021
- 2021-11-11 US US17/524,663 patent/US11743668B2/en active Active
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