MXPA02005520A - Metodo y aparato para derivar al menos una senal de audio a partir de dos o mas senales de audio de entrada. - Google Patents
Metodo y aparato para derivar al menos una senal de audio a partir de dos o mas senales de audio de entrada.Info
- Publication number
- MXPA02005520A MXPA02005520A MXPA02005520A MXPA02005520A MXPA02005520A MX PA02005520 A MXPA02005520 A MX PA02005520A MX PA02005520 A MXPA02005520 A MX PA02005520A MX PA02005520 A MXPA02005520 A MX PA02005520A MX PA02005520 A MXPA02005520 A MX PA02005520A
- Authority
- MX
- Mexico
- Prior art keywords
- signals
- signal
- output
- sinking
- main
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims description 26
- 239000011159 matrix material Substances 0.000 claims abstract description 152
- QRYFGTULTGLGHU-NBERXCRTSA-N iturelix Chemical compound C([C@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCNC(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@H](C)C(N)=O)NC(=O)[C@H](CCCCNC(=O)C=1C=NC=CC=1)NC(=O)[C@H](CO)NC(=O)[C@@H](CC=1C=NC=CC=1)NC(=O)[C@@H](CC=1C=CC(Cl)=CC=1)NC(=O)[C@@H](CC=1C=C2C=CC=CC2=CC=1)NC(C)=O)CCCNC(=O)C1=CC=CN=C1 QRYFGTULTGLGHU-NBERXCRTSA-N 0.000 claims description 3
- 108010083551 iturelix Proteins 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 abstract description 10
- 230000006870 function Effects 0.000 description 87
- 238000013459 approach Methods 0.000 description 33
- 230000008859 change Effects 0.000 description 24
- 238000010586 diagram Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 238000000926 separation method Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 7
- 238000009795 derivation Methods 0.000 description 6
- 230000014509 gene expression Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000002238 attenuated effect Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 230000001934 delay Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 3
- 101000740206 Mus musculus Sal-like protein 1 Proteins 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- QNGNSVIICDLXHT-UHFFFAOYSA-N 4-Ethylbenzaldehyde Chemical compound CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 101500000138 Escherichia phage P1 Antirepressor protein 2 Proteins 0.000 description 1
- 101100451327 Pseudomonas furukawaii salH gene Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000002738 anti-smoking effect Effects 0.000 description 1
- 239000000427 antigen Substances 0.000 description 1
- 102000036639 antigens Human genes 0.000 description 1
- 108091007433 antigens Proteins 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 229940102743 mag 64 Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Analogue/Digital Conversion (AREA)
- Toys (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45481099A | 1999-12-03 | 1999-12-03 | |
| US09/532,711 US6920223B1 (en) | 1999-12-03 | 2000-03-22 | Method for deriving at least three audio signals from two input audio signals |
| US09/602,585 US6970567B1 (en) | 1999-12-03 | 2000-06-21 | Method and apparatus for deriving at least one audio signal from two or more input audio signals |
| PCT/US2000/032537 WO2001041505A1 (en) | 1999-12-03 | 2000-11-29 | Method and apparatus for deriving at least one audio signal from two or more input audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MXPA02005520A true MXPA02005520A (es) | 2002-10-23 |
Family
ID=27412620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MXPA02005520A MXPA02005520A (es) | 1999-12-03 | 2000-11-29 | Metodo y aparato para derivar al menos una senal de audio a partir de dos o mas senales de audio de entrada. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6970567B1 (enExample) |
| EP (1) | EP1234485B1 (enExample) |
| JP (1) | JP2003515771A (enExample) |
| CN (1) | CN1250046C (enExample) |
| AT (1) | ATE301384T1 (enExample) |
| AU (1) | AU784083B2 (enExample) |
| BR (1) | BR0016741A (enExample) |
| CA (1) | CA2392602A1 (enExample) |
| DE (1) | DE60021756T2 (enExample) |
| HK (1) | HK1054838B (enExample) |
| MX (1) | MXPA02005520A (enExample) |
| TW (1) | TW506227B (enExample) |
| WO (1) | WO2001041505A1 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2420671C (en) | 2000-08-31 | 2011-12-13 | Dolby Laboratories Licensing Corporation | Method for apparatus for audio matrix decoding |
| US7003467B1 (en) | 2000-10-06 | 2006-02-21 | Digital Theater Systems, Inc. | Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio |
| AU2005219956B2 (en) | 2004-03-01 | 2009-05-28 | Dolby Laboratories Licensing Corporation | Multichannel audio coding |
| CN102122509B (zh) * | 2004-04-05 | 2016-03-23 | 皇家飞利浦电子股份有限公司 | 多信道解码器和多信道解码方法 |
| JP4594681B2 (ja) * | 2004-09-08 | 2010-12-08 | ソニー株式会社 | 音声信号処理装置および音声信号処理方法 |
| JP4580210B2 (ja) * | 2004-10-19 | 2010-11-10 | ソニー株式会社 | 音声信号処理装置および音声信号処理方法 |
| US8111830B2 (en) * | 2005-12-19 | 2012-02-07 | Samsung Electronics Co., Ltd. | Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener |
| FR2916078A1 (fr) * | 2007-05-10 | 2008-11-14 | France Telecom | Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes |
| CN102017402B (zh) | 2007-12-21 | 2015-01-07 | Dts有限责任公司 | 用于调节音频信号的感知响度的系统 |
| TWI424755B (zh) * | 2008-01-11 | 2014-01-21 | Dolby Lab Licensing Corp | 矩陣解碼器 |
| TWI449442B (zh) | 2009-01-14 | 2014-08-11 | Dolby Lab Licensing Corp | 用於無回授之頻域主動矩陣解碼的方法與系統 |
| US8538042B2 (en) | 2009-08-11 | 2013-09-17 | Dts Llc | System for increasing perceived loudness of speakers |
| JP5248718B1 (ja) | 2011-12-19 | 2013-07-31 | パナソニック株式会社 | 音分離装置、および音分離方法 |
| US9312829B2 (en) | 2012-04-12 | 2016-04-12 | Dts Llc | System for adjusting loudness of audio signals in real time |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4589129A (en) | 1984-02-21 | 1986-05-13 | Kintek, Inc. | Signal decoding system |
| US4799260A (en) | 1985-03-07 | 1989-01-17 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
| US5428687A (en) | 1990-06-08 | 1995-06-27 | James W. Fosgate | Control voltage generator multiplier and one-shot for integrated surround sound processor |
| US5504819A (en) | 1990-06-08 | 1996-04-02 | Harman International Industries, Inc. | Surround sound processor with improved control voltage generator |
| US5172415A (en) | 1990-06-08 | 1992-12-15 | Fosgate James W | Surround processor |
| US5625696A (en) | 1990-06-08 | 1997-04-29 | Harman International Industries, Inc. | Six-axis surround sound processor with improved matrix and cancellation control |
| US5295189A (en) | 1990-06-08 | 1994-03-15 | Fosgate James W | Control voltage generator for surround sound processor |
| JP3472046B2 (ja) | 1996-08-23 | 2003-12-02 | 株式会社国際電気通信基礎技術研究所 | 信号分離装置 |
| US5862228A (en) | 1997-02-21 | 1999-01-19 | Dolby Laboratories Licensing Corporation | Audio matrix encoding |
| US6198826B1 (en) | 1997-05-19 | 2001-03-06 | Qsound Labs, Inc. | Qsound surround synthesis from stereo |
-
2000
- 2000-06-21 US US09/602,585 patent/US6970567B1/en not_active Expired - Fee Related
- 2000-11-22 TW TW089124809A patent/TW506227B/zh not_active IP Right Cessation
- 2000-11-29 AU AU20518/01A patent/AU784083B2/en not_active Ceased
- 2000-11-29 CN CNB008165629A patent/CN1250046C/zh not_active Expired - Fee Related
- 2000-11-29 JP JP2001541299A patent/JP2003515771A/ja not_active Withdrawn
- 2000-11-29 WO PCT/US2000/032537 patent/WO2001041505A1/en not_active Ceased
- 2000-11-29 DE DE60021756T patent/DE60021756T2/de not_active Expired - Fee Related
- 2000-11-29 BR BR0016741-0A patent/BR0016741A/pt not_active Application Discontinuation
- 2000-11-29 MX MXPA02005520A patent/MXPA02005520A/es active IP Right Grant
- 2000-11-29 HK HK03104927.7A patent/HK1054838B/zh not_active IP Right Cessation
- 2000-11-29 EP EP00983809A patent/EP1234485B1/en not_active Expired - Lifetime
- 2000-11-29 CA CA002392602A patent/CA2392602A1/en not_active Abandoned
- 2000-11-29 AT AT00983809T patent/ATE301384T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR0016741A (pt) | 2002-09-03 |
| ATE301384T1 (de) | 2005-08-15 |
| AU2051801A (en) | 2001-06-12 |
| DE60021756D1 (de) | 2005-09-08 |
| EP1234485B1 (en) | 2005-08-03 |
| AU784083B2 (en) | 2006-02-02 |
| HK1054838A1 (en) | 2003-12-12 |
| CN1250046C (zh) | 2006-04-05 |
| WO2001041505A1 (en) | 2001-06-07 |
| CA2392602A1 (en) | 2001-06-07 |
| CN1402957A (zh) | 2003-03-12 |
| HK1054838B (zh) | 2006-09-08 |
| EP1234485A1 (en) | 2002-08-28 |
| US6970567B1 (en) | 2005-11-29 |
| JP2003515771A (ja) | 2003-05-07 |
| TW506227B (en) | 2002-10-11 |
| DE60021756T2 (de) | 2006-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1362499B1 (en) | Method for apparatus for audio matrix decoding | |
| CA2392601C (en) | Method for deriving at least three audio signals from two input audio signals | |
| US6920223B1 (en) | Method for deriving at least three audio signals from two input audio signals | |
| MXPA02005520A (es) | Metodo y aparato para derivar al menos una senal de audio a partir de dos o mas senales de audio de entrada. | |
| AU2001288528A1 (en) | Method for apparatus for audio matrix decoding | |
| TWI444989B (zh) | 針對改良多通道上混使用多通道解相關之技術 | |
| TWI451772B (zh) | 中央聲道音訊呈現技術 | |
| BRPI0305746B1 (pt) | Tradução espacial de canal de áudio | |
| DE69730869T2 (de) | Sechsachsiger raumklangprozessor mit verbesserter matrix und unterdrückunssteuerung | |
| Gundry | A new active matrix decoder for surround sound | |
| Vancheri et al. | Geometrical acoustics approach to cross talk cancellation | |
| KR20020065548A (ko) | 2개 이상의 입력 오디오 신호들로부터 적어도 1개의오디오 신호를 유도하는 방법 및 장치 | |
| KR20210003784A (ko) | 다운믹서, 오디오 인코더, 위상 값을 크기 값에 적용하는 방법 및 컴퓨터 프로그램 | |
| JPS63254495A (ja) | リバ−ブ発生装置 | |
| HK1069063B (en) | Method for apparatus for audio matrix decoding | |
| HK1172138B (en) | Using multichannel decorrelation for improved multichannel upmixing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration |