UA105336C2 - Ограничение понижающего микширования - Google Patents
Ограничение понижающего микшированияInfo
- Publication number
- UA105336C2 UA105336C2 UAA201307453A UAA201307453A UA105336C2 UA 105336 C2 UA105336 C2 UA 105336C2 UA A201307453 A UAA201307453 A UA A201307453A UA A201307453 A UAA201307453 A UA A201307453A UA 105336 C2 UA105336 C2 UA 105336C2
- Authority
- UA
- Ukraine
- Prior art keywords
- signals
- subgroup
- subgroups
- input
- gain
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 2
- 230000005236 sound signal Effects 0.000 abstract 2
- 238000004590 computer program Methods 0.000 abstract 1
Classifications
-
- 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
-
- 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
- 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
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)
- Control Of Amplification And Gain Control (AREA)
- Circuit For Audible Band Transducer (AREA)
- Amplifiers (AREA)
Abstract
Изобретение относится к способам понижающего микширования, с помощью которых исходные звуковые сигналы получают из входных звуковых сигналов, разбитых на подгруппы. Переменный общий ограничивающий фактор для коэффициента передачи применяется ко всем коэффициентам понижающего микширования, которые регулируют вклады от входных сигналов в подгруппе. При сохранении пропорций между значениями сигналов в пределах подгруппы изобретение позволяет достичь ограничения значения коэффициента передачи в разной степени для разных подгрупп входных сигналов таким образом, что относительно более воспринимаемые сигналы могут быть ограничены в относительно меньшей степени. Далее становится возможным достижение совместимости уровня я
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41323710P | 2010-11-12 | 2010-11-12 | |
PCT/US2011/060128 WO2012064929A1 (en) | 2010-11-12 | 2011-11-10 | Downmix limiting |
Publications (1)
Publication Number | Publication Date |
---|---|
UA105336C2 true UA105336C2 (ru) | 2014-04-25 |
Family
ID=45094240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA201307453A UA105336C2 (ru) | 2010-11-12 | 2011-11-10 | Ограничение понижающего микширования |
Country Status (18)
Country | Link |
---|---|
US (1) | US9224400B2 (ru) |
EP (1) | EP2638543B1 (ru) |
JP (1) | JP5684917B2 (ru) |
KR (1) | KR101496754B1 (ru) |
CN (1) | CN103201792B (ru) |
AR (1) | AR083783A1 (ru) |
AU (1) | AU2011326473B2 (ru) |
BR (1) | BR112013011471B1 (ru) |
CA (1) | CA2815190C (ru) |
HK (1) | HK1187442A1 (ru) |
IL (1) | IL225858A (ru) |
MX (1) | MX2013004922A (ru) |
MY (1) | MY164714A (ru) |
RU (1) | RU2565015C2 (ru) |
SG (1) | SG190050A1 (ru) |
TW (1) | TWI462087B (ru) |
UA (1) | UA105336C2 (ru) |
WO (1) | WO2012064929A1 (ru) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106465028B (zh) * | 2014-06-06 | 2019-02-15 | 索尼公司 | 音频信号处理装置和方法、编码装置和方法以及程序 |
ES2709661T3 (es) * | 2014-10-31 | 2019-04-17 | Dolby Int Ab | Codificación y decodificación paramétrica de señales de audio multicanal |
JP2018101452A (ja) * | 2016-12-20 | 2018-06-28 | カシオ計算機株式会社 | 出力制御装置、コンテンツ記憶装置、出力制御方法、コンテンツ記憶方法、プログラム及びデータ構造 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3252105A (en) | 1962-06-07 | 1966-05-17 | Honeywell Inc | Rate limiting apparatus including active elements |
US6122619A (en) * | 1998-06-17 | 2000-09-19 | Lsi Logic Corporation | Audio decoder with programmable downmixing of MPEG/AC-3 and method therefor |
US7502743B2 (en) | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
US7792670B2 (en) * | 2003-12-19 | 2010-09-07 | Motorola, Inc. | Method and apparatus for speech coding |
JP4934427B2 (ja) | 2004-07-02 | 2012-05-16 | パナソニック株式会社 | 音声信号復号化装置及び音声信号符号化装置 |
US7391870B2 (en) | 2004-07-09 | 2008-06-24 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V | Apparatus and method for generating a multi-channel output signal |
EP1817766B1 (en) | 2004-11-30 | 2009-10-21 | Agere Systems Inc. | Synchronizing parametric coding of spatial audio with externally provided downmix |
US7751572B2 (en) | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
US20060262936A1 (en) * | 2005-05-13 | 2006-11-23 | Pioneer Corporation | Virtual surround decoder apparatus |
KR20070003593A (ko) | 2005-06-30 | 2007-01-05 | 엘지전자 주식회사 | 멀티채널 오디오 신호의 인코딩 및 디코딩 방법 |
JP5227794B2 (ja) * | 2005-06-30 | 2013-07-03 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号をエンコーディング及びデコーディングするための装置とその方法 |
TWI396188B (zh) * | 2005-08-02 | 2013-05-11 | Dolby Lab Licensing Corp | 依聆聽事件之函數控制空間音訊編碼參數的技術 |
CN101529898B (zh) | 2006-10-12 | 2014-09-17 | Lg电子株式会社 | 用于处理混合信号的装置及其方法 |
CA2779388C (en) * | 2009-12-16 | 2015-11-10 | Dolby International Ab | Sbr bitstream parameter downmix |
-
2011
- 2011-10-27 TW TW100139140A patent/TWI462087B/zh active
- 2011-11-07 AR ARP110104147A patent/AR083783A1/es active IP Right Grant
- 2011-11-10 RU RU2013126726/08A patent/RU2565015C2/ru active
- 2011-11-10 BR BR112013011471-1A patent/BR112013011471B1/pt active IP Right Grant
- 2011-11-10 UA UAA201307453A patent/UA105336C2/ru unknown
- 2011-11-10 JP JP2013538876A patent/JP5684917B2/ja active Active
- 2011-11-10 CA CA2815190A patent/CA2815190C/en active Active
- 2011-11-10 WO PCT/US2011/060128 patent/WO2012064929A1/en active Application Filing
- 2011-11-10 SG SG2013032776A patent/SG190050A1/en unknown
- 2011-11-10 MX MX2013004922A patent/MX2013004922A/es active IP Right Grant
- 2011-11-10 CN CN201180054139.9A patent/CN103201792B/zh active Active
- 2011-11-10 AU AU2011326473A patent/AU2011326473B2/en active Active
- 2011-11-10 EP EP11791117.2A patent/EP2638543B1/en active Active
- 2011-11-10 US US13/884,569 patent/US9224400B2/en active Active
- 2011-11-10 MY MYPI2013001708A patent/MY164714A/en unknown
- 2011-11-10 KR KR1020137011777A patent/KR101496754B1/ko active IP Right Grant
-
2013
- 2013-04-21 IL IL225858A patent/IL225858A/en active IP Right Grant
-
2014
- 2014-01-09 HK HK14100236.8A patent/HK1187442A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
US9224400B2 (en) | 2015-12-29 |
CA2815190C (en) | 2017-06-20 |
CA2815190A1 (en) | 2012-05-18 |
KR101496754B1 (ko) | 2015-02-27 |
KR20130080852A (ko) | 2013-07-15 |
HK1187442A1 (zh) | 2014-04-04 |
TWI462087B (zh) | 2014-11-21 |
CN103201792B (zh) | 2015-09-09 |
IL225858A0 (en) | 2013-06-27 |
BR112013011471B1 (pt) | 2021-04-27 |
EP2638543A1 (en) | 2013-09-18 |
WO2012064929A1 (en) | 2012-05-18 |
JP5684917B2 (ja) | 2015-03-18 |
EP2638543B1 (en) | 2016-01-27 |
US20130230177A1 (en) | 2013-09-05 |
CN103201792A (zh) | 2013-07-10 |
AR083783A1 (es) | 2013-03-20 |
IL225858A (en) | 2016-09-29 |
AU2011326473B2 (en) | 2015-12-24 |
RU2013126726A (ru) | 2014-12-20 |
TW201237847A (en) | 2012-09-16 |
RU2565015C2 (ru) | 2015-10-10 |
MX2013004922A (es) | 2013-06-28 |
MY164714A (en) | 2018-01-30 |
BR112013011471A2 (pt) | 2020-11-24 |
SG190050A1 (en) | 2013-06-28 |
AU2011326473A1 (en) | 2013-05-23 |
JP2013546021A (ja) | 2013-12-26 |
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