CA2632394C - Apparatus and method for synthesizing three output channels using two input channels - Google Patents
Apparatus and method for synthesizing three output channels using two input channels Download PDFInfo
- Publication number
- CA2632394C CA2632394C CA2632394A CA2632394A CA2632394C CA 2632394 C CA2632394 C CA 2632394C CA 2632394 A CA2632394 A CA 2632394A CA 2632394 A CA2632394 A CA 2632394A CA 2632394 C CA2632394 C CA 2632394C
- Authority
- CA
- Canada
- Prior art keywords
- channel
- channels
- output
- signal components
- input channels
- 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.)
- Active
Links
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 33
- 238000009877 rendering Methods 0.000 claims description 9
- 230000005236 sound signal Effects 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 3
- 108091006146 Channels Proteins 0.000 description 186
- 239000000306 component Substances 0.000 description 35
- 230000008569 process Effects 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
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- 238000004590 computer program Methods 0.000 description 4
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- 230000003321 amplification Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
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- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 238000012804 iterative process Methods 0.000 description 2
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- 238000011524 similarity measure Methods 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
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- ZYXYTGQFPZEUFX-UHFFFAOYSA-N benzpyrimoxan Chemical compound O1C(OCCC1)C=1C(=NC=NC=1)OCC1=CC=C(C=C1)C(F)(F)F ZYXYTGQFPZEUFX-UHFFFAOYSA-N 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Time-Division Multiplex Systems (AREA)
- Circuit For Audible Band Transducer (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Harvester Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2005/013738 WO2007071270A1 (en) | 2005-12-20 | 2005-12-20 | Apparatus and method for synthesizing three output channels using two input channels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2632394A1 CA2632394A1 (en) | 2007-06-28 |
| CA2632394C true CA2632394C (en) | 2013-07-16 |
Family
ID=37027614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2632394A Active CA2632394C (en) | 2005-12-20 | 2005-12-20 | Apparatus and method for synthesizing three output channels using two input channels |
Country Status (15)
| Country | Link |
|---|---|
| EP (1) | EP1964442B1 (ko) |
| JP (1) | JP4792086B2 (ko) |
| KR (1) | KR100994294B1 (ko) |
| CN (1) | CN101341792B (ko) |
| AT (1) | ATE458364T1 (ko) |
| AU (1) | AU2005339439B2 (ko) |
| BR (1) | BRPI0520802B1 (ko) |
| CA (1) | CA2632394C (ko) |
| DE (1) | DE602005019484D1 (ko) |
| ES (1) | ES2340784T3 (ko) |
| HK (1) | HK1114994A1 (ko) |
| IL (1) | IL191688A (ko) |
| NO (1) | NO339830B1 (ko) |
| PL (1) | PL1964442T3 (ko) |
| WO (1) | WO2007071270A1 (ko) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7965848B2 (en) * | 2006-03-29 | 2011-06-21 | Dolby International Ab | Reduced number of channels decoding |
| JP5251731B2 (ja) * | 2009-05-29 | 2013-07-31 | ヤマハ株式会社 | ミキシングコンソールおよびプログラム |
| US8000485B2 (en) * | 2009-06-01 | 2011-08-16 | Dts, Inc. | Virtual audio processing for loudspeaker or headphone playback |
| JP5418357B2 (ja) * | 2010-03-26 | 2014-02-19 | ヤマハ株式会社 | デジタルミキサおよびプログラム |
| JP5929301B2 (ja) * | 2012-02-23 | 2016-06-01 | オンキヨー株式会社 | 時間差補正方法、音声信号処理装置、再生装置およびプログラム |
| EP2891338B1 (en) | 2012-08-31 | 2017-10-25 | Dolby Laboratories Licensing Corporation | System for rendering and playback of object based audio in various listening environments |
| CN104376857A (zh) * | 2013-08-16 | 2015-02-25 | 联想(北京)有限公司 | 信息处理的方法及电子设备 |
| KR20160072131A (ko) * | 2013-10-02 | 2016-06-22 | 슈트로밍스위스 게엠베하 | 다채널 신호의 다운믹스 및 다운믹스 신호의 업믹스 방법 및 장치 |
| CN105828271B (zh) * | 2015-01-09 | 2019-07-05 | 南京青衿信息科技有限公司 | 一种将两个声道声音信号转换成三个声道信号的方法 |
| US11825026B1 (en) * | 2020-12-10 | 2023-11-21 | Hear360 Inc. | Spatial audio virtualization for conference call applications |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5770000A (en) * | 1980-10-20 | 1982-04-30 | Matsushita Electric Ind Co Ltd | Stereo playback device |
| JPH05236599A (ja) * | 1992-02-21 | 1993-09-10 | Clarion Co Ltd | ３スピーカの音響再生装置 |
| JP4276380B2 (ja) * | 1997-12-08 | 2009-06-10 | トムソン ライセンシング | オーディオコンプレッサ用のピーク−ピーク検出回路および音量制御システム |
| EP1319224A4 (en) * | 2000-07-11 | 2007-03-14 | American Tech Corp | DYNAMIC POWER SHARING IN A MULTI-CHANNEL SOUND SYSTEM |
| US7298852B2 (en) * | 2001-07-11 | 2007-11-20 | American Technology Corporation | Dynamic power sharing in a multi-channel sound system |
| CN1270583C (zh) * | 2002-06-19 | 2006-08-16 | 普诚科技股份有限公司 | 双声道转多声道的音响处理器 |
-
2005
- 2005-12-20 EP EP05822900A patent/EP1964442B1/en active Active
- 2005-12-20 ES ES05822900T patent/ES2340784T3/es active Active
- 2005-12-20 AU AU2005339439A patent/AU2005339439B2/en active Active
- 2005-12-20 WO PCT/EP2005/013738 patent/WO2007071270A1/en active Application Filing
- 2005-12-20 PL PL05822900T patent/PL1964442T3/pl unknown
- 2005-12-20 JP JP2008546134A patent/JP4792086B2/ja active Active
- 2005-12-20 CN CN200580052379XA patent/CN101341792B/zh active Active
- 2005-12-20 CA CA2632394A patent/CA2632394C/en active Active
- 2005-12-20 BR BRPI0520802-5A patent/BRPI0520802B1/pt active IP Right Grant
- 2005-12-20 KR KR1020087014463A patent/KR100994294B1/ko active IP Right Grant
- 2005-12-20 DE DE602005019484T patent/DE602005019484D1/de active Active
- 2005-12-20 AT AT05822900T patent/ATE458364T1/de active
-
2008
- 2008-05-25 IL IL191688A patent/IL191688A/en active IP Right Grant
- 2008-07-17 NO NO20083188A patent/NO339830B1/no unknown
- 2008-09-22 HK HK08110460.2A patent/HK1114994A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HK1114994A1 (en) | 2008-11-14 |
| CN101341792A (zh) | 2009-01-07 |
| ES2340784T3 (es) | 2010-06-09 |
| AU2005339439B2 (en) | 2010-07-22 |
| WO2007071270A1 (en) | 2007-06-28 |
| KR100994294B1 (ko) | 2010-11-12 |
| JP4792086B2 (ja) | 2011-10-12 |
| IL191688A (en) | 2012-05-31 |
| CA2632394A1 (en) | 2007-06-28 |
| PL1964442T3 (pl) | 2010-07-30 |
| EP1964442A1 (en) | 2008-09-03 |
| NO339830B1 (no) | 2017-02-06 |
| EP1964442B1 (en) | 2010-02-17 |
| KR20080070066A (ko) | 2008-07-29 |
| BRPI0520802B1 (pt) | 2019-04-16 |
| NO20083188L (no) | 2008-07-17 |
| AU2005339439A1 (en) | 2007-06-28 |
| ATE458364T1 (de) | 2010-03-15 |
| IL191688A0 (en) | 2008-12-29 |
| CN101341792B (zh) | 2010-08-18 |
| BRPI0520802A2 (pt) | 2009-06-23 |
| DE602005019484D1 (de) | 2010-04-01 |
| JP2009520419A (ja) | 2009-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |