ES2220572T3 - Metodo para derivar al menos tres señales de audio a partir de dos señales de audio de entrada. - Google Patents
Metodo para derivar al menos tres señales de audio a partir de dos señales de audio de entrada.Info
- Publication number
- ES2220572T3 ES2220572T3 ES00980830T ES00980830T ES2220572T3 ES 2220572 T3 ES2220572 T3 ES 2220572T3 ES 00980830 T ES00980830 T ES 00980830T ES 00980830 T ES00980830 T ES 00980830T ES 2220572 T3 ES2220572 T3 ES 2220572T3
- Authority
- ES
- Spain
- Prior art keywords
- signals
- cdot
- signal
- pair
- output
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 33
- 239000011159 matrix material Substances 0.000 claims abstract description 137
- 230000004044 response Effects 0.000 claims abstract description 16
- 230000005236 sound signal Effects 0.000 claims description 80
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000012886 linear function Methods 0.000 claims description 2
- 230000003044 adaptive effect Effects 0.000 abstract description 10
- 239000000543 intermediate Substances 0.000 description 46
- 230000006870 function Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 11
- 238000009432 framing Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 3
- 230000008447 perception Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 241000566613 Cardinalis Species 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 208000032041 Hearing impaired Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012546 transfer Methods 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
-
- 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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US454810 | 1989-12-21 | ||
| 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 |
| US532711 | 2000-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2220572T3 true ES2220572T3 (es) | 2004-12-16 |
Family
ID=27037614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES00980830T Expired - Lifetime ES2220572T3 (es) | 1999-12-03 | 2000-11-28 | Metodo para derivar al menos tres señales de audio a partir de dos señales de audio de entrada. |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP1234484B1 (https=) |
| JP (1) | JP4540285B2 (https=) |
| CN (1) | CN1226901C (https=) |
| AT (1) | ATE272303T1 (https=) |
| AU (1) | AU784855B2 (https=) |
| BR (1) | BRPI0015969B1 (https=) |
| CA (1) | CA2392601C (https=) |
| DE (1) | DE60012568T2 (https=) |
| DK (1) | DK1234484T3 (https=) |
| ES (1) | ES2220572T3 (https=) |
| MX (1) | MXPA02005521A (https=) |
| TR (1) | TR200402241T4 (https=) |
| TW (1) | TW510143B (https=) |
| WO (1) | WO2001041504A1 (https=) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4624643B2 (ja) | 2000-08-31 | 2011-02-02 | ドルビー・ラボラトリーズ・ライセンシング・コーポレーション | オーディオ・マトリックス・デコーディング装置に関する方法 |
| US7003467B1 (en) | 2000-10-06 | 2006-02-21 | Digital Theater Systems, Inc. | Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio |
| ATE390683T1 (de) | 2004-03-01 | 2008-04-15 | Dolby Lab Licensing Corp | Mehrkanalige audiocodierung |
| 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 |
| US20070297519A1 (en) * | 2004-10-28 | 2007-12-27 | Jeffrey Thompson | Audio Spatial Environment Engine |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| EP1927102A2 (en) * | 2005-06-03 | 2008-06-04 | Dolby Laboratories Licensing Corporation | Apparatus and method for encoding audio signals with decoding instructions |
| 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 |
| 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 |
| 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 |
| US9799330B2 (en) | 2014-08-28 | 2017-10-24 | Knowles Electronics, Llc | Multi-sourced noise suppression |
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 |
| DE69130169T2 (de) * | 1990-06-08 | 1999-04-15 | Harman International Industries, Inc., Northridge, Calif. | Raumklang-prozessor |
| US5504819A (en) * | 1990-06-08 | 1996-04-02 | Harman International Industries, Inc. | Surround sound processor with improved control voltage generator |
| 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 BR BRPI0015969-7A patent/BRPI0015969B1/pt not_active IP Right Cessation
- 2000-11-28 DK DK00980830T patent/DK1234484T3/da active
- 2000-11-28 TR TR2004/02241T patent/TR200402241T4/xx unknown
- 2000-11-28 AU AU18043/01A patent/AU784855B2/en not_active Expired
- 2000-11-28 CA CA2392601A patent/CA2392601C/en not_active Expired - Lifetime
- 2000-11-28 EP EP00980830A patent/EP1234484B1/en not_active Expired - Lifetime
- 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 DE DE60012568T patent/DE60012568T2/de not_active Expired - Lifetime
- 2000-11-28 MX MXPA02005521A patent/MXPA02005521A/es active IP Right Grant
- 2000-11-28 WO PCT/US2000/032383 patent/WO2001041504A1/en not_active Ceased
- 2000-11-28 JP JP2001541298A patent/JP4540285B2/ja not_active Expired - Lifetime
- 2000-11-28 AT AT00980830T patent/ATE272303T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0015969B1 (pt) | 2015-06-02 |
| EP1234484B1 (en) | 2004-07-28 |
| DE60012568D1 (de) | 2004-09-02 |
| JP4540285B2 (ja) | 2010-09-08 |
| AU1804301A (en) | 2001-06-12 |
| AU784855B2 (en) | 2006-07-06 |
| CA2392601C (en) | 2012-07-17 |
| TR200402241T4 (tr) | 2004-10-21 |
| TW510143B (en) | 2002-11-11 |
| WO2001041504A1 (en) | 2001-06-07 |
| DK1234484T3 (da) | 2004-11-22 |
| CN1391782A (zh) | 2003-01-15 |
| JP2003516069A (ja) | 2003-05-07 |
| EP1234484A1 (en) | 2002-08-28 |
| HK1051621A1 (en) | 2003-08-08 |
| MXPA02005521A (es) | 2002-10-23 |
| ATE272303T1 (de) | 2004-08-15 |
| DE60012568T2 (de) | 2005-08-04 |
| CN1226901C (zh) | 2005-11-09 |
| CA2392601A1 (en) | 2001-06-07 |
| BR0015969A (pt) | 2002-07-16 |
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