TW510143B - Method for deriving at least three audio signals from two input audio signals - Google Patents
Method for deriving at least three audio signals from two input audio signals Download PDFInfo
- Publication number
- TW510143B TW510143B TW089124808A TW89124808A TW510143B TW 510143 B TW510143 B TW 510143B TW 089124808 A TW089124808 A TW 089124808A TW 89124808 A TW89124808 A TW 89124808A TW 510143 B TW510143 B TW 510143B
- Authority
- TW
- Taiwan
- Prior art keywords
- signals
- output
- signal
- pair
- audio signals
- Prior art date
Links
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- 241000282461 Canis lupus Species 0.000 claims 1
- 241000270295 Serpentes Species 0.000 claims 1
- 230000003044 adaptive effect Effects 0.000 abstract description 11
- 230000000875 corresponding effect Effects 0.000 description 21
- 230000006870 function Effects 0.000 description 18
- 230000002079 cooperative effect Effects 0.000 description 16
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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
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Amplifiers (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (2)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW510143B true TW510143B (en) | 2002-11-11 |
Family
ID=27037614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW089124808A TW510143B (en) | 1999-12-03 | 2000-11-22 | Method for deriving at least three audio signals from two input audio signals |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP1234484B1 (enExample) |
| JP (1) | JP4540285B2 (enExample) |
| CN (1) | CN1226901C (enExample) |
| AT (1) | ATE272303T1 (enExample) |
| AU (1) | AU784855B2 (enExample) |
| BR (1) | BRPI0015969B1 (enExample) |
| CA (1) | CA2392601C (enExample) |
| DE (1) | DE60012568T2 (enExample) |
| DK (1) | DK1234484T3 (enExample) |
| ES (1) | ES2220572T3 (enExample) |
| MX (1) | MXPA02005521A (enExample) |
| TR (1) | TR200402241T4 (enExample) |
| TW (1) | TW510143B (enExample) |
| WO (1) | WO2001041504A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7760886B2 (en) | 2005-12-20 | 2010-07-20 | Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forscheng e.V. | Apparatus and method for synthesizing three output channels using two input channels |
Families Citing this family (28)
| 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 |
| SE0400997D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Efficient coding of multi-channel audio |
| KR100725818B1 (ko) | 2004-07-14 | 2007-06-11 | 삼성전자주식회사 | 최적 가상음원을 제공하는 음향재생장치 및 음향재생방법 |
| 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 |
| CN101065797B (zh) * | 2004-10-28 | 2011-07-27 | Dts（英属维尔京群岛）有限公司 | 动态下混频的系统 |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| CA2610430C (en) * | 2005-06-03 | 2016-02-23 | Dolby Laboratories Licensing Corporation | Channel reconfiguration with side information |
| US20070055510A1 (en) * | 2005-07-19 | 2007-03-08 | Johannes Hilpert | Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding |
| JP4602204B2 (ja) | 2005-08-31 | 2010-12-22 | 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 |
| JP4720405B2 (ja) * | 2005-09-27 | 2011-07-13 | 船井電機株式会社 | 音声信号処理装置 |
| JP4637725B2 (ja) | 2005-11-11 | 2011-02-23 | ソニー株式会社 | 音声信号処理装置、音声信号処理方法、プログラム |
| US8949120B1 (en) | 2006-05-25 | 2015-02-03 | Audience, Inc. | Adaptive noise cancelation |
| JP4835298B2 (ja) | 2006-07-21 | 2011-12-14 | ソニー株式会社 | オーディオ信号処理装置、オーディオ信号処理方法およびプログラム |
| JP4894386B2 (ja) | 2006-07-21 | 2012-03-14 | ソニー株式会社 | 音声信号処理装置、音声信号処理方法および音声信号処理プログラム |
| TWI424755B (zh) * | 2008-01-11 | 2014-01-21 | Dolby Lab Licensing Corp | 矩陣解碼器 |
| US8315396B2 (en) * | 2008-07-17 | 2012-11-20 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating audio output signals using object based metadata |
| 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 |
| US8718290B2 (en) | 2010-01-26 | 2014-05-06 | Audience, Inc. | Adaptive noise reduction using level cues |
| US8473287B2 (en) | 2010-04-19 | 2013-06-25 | Audience, Inc. | Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system |
| JP5556673B2 (ja) * | 2011-01-11 | 2014-07-23 | 株式会社Ｊｖｃケンウッド | 音声信号補正装置、音声信号補正方法及びプログラム |
| 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 |
| US8737188B1 (en) | 2012-01-11 | 2014-05-27 | Audience, Inc. | Crosstalk cancellation systems and methods |
| US9640194B1 (en) | 2012-10-04 | 2017-05-02 | Knowles Electronics, Llc | Noise suppression for speech processing based on machine-learning mask estimation |
| US9215545B2 (en) * | 2013-05-31 | 2015-12-15 | Bose Corporation | Sound stage controller for a near-field speaker-based audio system |
| US9536540B2 (en) | 2013-07-19 | 2017-01-03 | Knowles Electronics, Llc | Speech signal separation and synthesis based on auditory scene analysis and speech modeling |
| CN106797512B (zh) | 2014-08-28 | 2019-10-25 | 美商楼氏电子有限公司 | 多源噪声抑制的方法、系统和非瞬时计算机可读存储介质 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4589129A (en) * | 1984-02-21 | 1986-05-13 | Kintek, Inc. | Signal decoding system |
| US5504819A (en) * | 1990-06-08 | 1996-04-02 | Harman International Industries, Inc. | Surround sound processor with improved control voltage generator |
| JP3382249B2 (ja) * | 1990-06-08 | 2003-03-04 | ハーマン・インターナショナル・インダストリーズ・インコーポレーテッド | サラウンド・プロセッサ |
| US6198826B1 (en) * | 1997-05-19 | 2001-03-06 | Qsound Labs, Inc. | Qsound surround synthesis from stereo |
-
2000
- 2000-11-22 TW TW089124808A patent/TW510143B/zh not_active IP Right Cessation
- 2000-11-28 CA CA2392601A patent/CA2392601C/en not_active Expired - Lifetime
- 2000-11-28 DK DK00980830T patent/DK1234484T3/da active
- 2000-11-28 JP JP2001541298A patent/JP4540285B2/ja not_active Expired - Lifetime
- 2000-11-28 DE DE60012568T patent/DE60012568T2/de not_active Expired - Lifetime
- 2000-11-28 TR TR2004/02241T patent/TR200402241T4/xx unknown
- 2000-11-28 EP EP00980830A patent/EP1234484B1/en not_active Expired - Lifetime
- 2000-11-28 AU AU18043/01A patent/AU784855B2/en not_active Expired
- 2000-11-28 AT AT00980830T patent/ATE272303T1/de active
- 2000-11-28 BR BRPI0015969-7A patent/BRPI0015969B1/pt not_active IP Right Cessation
- 2000-11-28 ES ES00980830T patent/ES2220572T3/es not_active Expired - Lifetime
- 2000-11-28 CN CNB008160627A patent/CN1226901C/zh not_active Expired - Lifetime
- 2000-11-28 WO PCT/US2000/032383 patent/WO2001041504A1/en not_active Ceased
- 2000-11-28 MX MXPA02005521A patent/MXPA02005521A/es active IP Right Grant
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7760886B2 (en) | 2005-12-20 | 2010-07-20 | Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forscheng e.V. | Apparatus and method for synthesizing three output channels using two input channels |
Also Published As
| Publication number | Publication date |
|---|---|
| MXPA02005521A (es) | 2002-10-23 |
| WO2001041504A1 (en) | 2001-06-07 |
| HK1051621A1 (en) | 2003-08-08 |
| ES2220572T3 (es) | 2004-12-16 |
| CA2392601A1 (en) | 2001-06-07 |
| AU1804301A (en) | 2001-06-12 |
| CN1226901C (zh) | 2005-11-09 |
| EP1234484B1 (en) | 2004-07-28 |
| JP2003516069A (ja) | 2003-05-07 |
| JP4540285B2 (ja) | 2010-09-08 |
| ATE272303T1 (de) | 2004-08-15 |
| TR200402241T4 (tr) | 2004-10-21 |
| BRPI0015969B1 (pt) | 2015-06-02 |
| DE60012568T2 (de) | 2005-08-04 |
| BR0015969A (pt) | 2002-07-16 |
| EP1234484A1 (en) | 2002-08-28 |
| DE60012568D1 (de) | 2004-09-02 |
| AU784855B2 (en) | 2006-07-06 |
| CA2392601C (en) | 2012-07-17 |
| CN1391782A (zh) | 2003-01-15 |
| DK1234484T3 (da) | 2004-11-22 |
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Legal Events
| Date | Code | Title | Description |
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| GD4A | Issue of patent certificate for granted invention patent | ||
| MK4A | Expiration of patent term of an invention patent |