MXPA02005521A - Metodo para derivar al menos tres senales de audio a partir de dos senales de audio de entrada. - Google Patents
Metodo para derivar al menos tres senales de audio a partir de dos senales de audio de entrada.Info
- Publication number
- MXPA02005521A MXPA02005521A MXPA02005521A MXPA02005521A MXPA02005521A MX PA02005521 A MXPA02005521 A MX PA02005521A MX PA02005521 A MXPA02005521 A MX PA02005521A MX PA02005521 A MXPA02005521 A MX PA02005521A MX PA02005521 A MXPA02005521 A MX PA02005521A
- Authority
- MX
- Mexico
- Prior art keywords
- signals
- pair
- variable gain
- passive matrix
- signal
- Prior art date
Links
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 (3)
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 |
PCT/US2000/032383 WO2001041504A1 (en) | 1999-12-03 | 2000-11-28 | Method for deriving at least three audio signals from two input audio signals |
Publications (1)
Publication Number | Publication Date |
---|---|
MXPA02005521A true MXPA02005521A (es) | 2002-10-23 |
Family
ID=27037614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MXPA02005521A MXPA02005521A (es) | 1999-12-03 | 2000-11-28 | Metodo para derivar al menos tres senales de audio a partir de dos senales de audio de entrada. |
Country Status (15)
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002019768A2 (en) | 2000-08-31 | 2002-03-07 | 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 |
WO2005086139A1 (en) | 2004-03-01 | 2005-09-15 | 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 |
KR101283741B1 (ko) * | 2004-10-28 | 2013-07-08 | 디티에스 워싱턴, 엘엘씨 | N채널 오디오 시스템으로부터 m채널 오디오 시스템으로 변환하는 오디오 공간 환경 엔진 및 그 방법 |
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 |
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 |
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 |
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 |
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 |
DE112015003945T5 (de) | 2014-08-28 | 2017-05-11 | Knowles Electronics, Llc | Mehrquellen-Rauschunterdrückung |
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 |
ATE171035T1 (de) * | 1990-06-08 | 1998-09-15 | Harman Int Ind | 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 CA CA2392601A patent/CA2392601C/en not_active Expired - Lifetime
- 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 ES ES00980830T patent/ES2220572T3/es not_active Expired - Lifetime
- 2000-11-28 JP JP2001541298A patent/JP4540285B2/ja not_active Expired - Lifetime
- 2000-11-28 EP EP00980830A patent/EP1234484B1/en not_active Expired - Lifetime
- 2000-11-28 AT AT00980830T patent/ATE272303T1/de active
- 2000-11-28 WO PCT/US2000/032383 patent/WO2001041504A1/en active IP Right Grant
- 2000-11-28 MX MXPA02005521A patent/MXPA02005521A/es active IP Right Grant
- 2000-11-28 BR BRPI0015969-7A patent/BRPI0015969B1/pt active IP Right Grant
- 2000-11-28 DK DK00980830T patent/DK1234484T3/da active
- 2000-11-28 CN CNB008160627A patent/CN1226901C/zh not_active Expired - Lifetime
- 2000-11-28 DE DE60012568T patent/DE60012568T2/de not_active Expired - Lifetime
-
2003
- 2003-05-27 HK HK03103741A patent/HK1051621A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP4540285B2 (ja) | 2010-09-08 |
ES2220572T3 (es) | 2004-12-16 |
AU1804301A (en) | 2001-06-12 |
EP1234484A1 (en) | 2002-08-28 |
TW510143B (en) | 2002-11-11 |
HK1051621A1 (en) | 2003-08-08 |
ATE272303T1 (de) | 2004-08-15 |
CN1391782A (zh) | 2003-01-15 |
TR200402241T4 (tr) | 2004-10-21 |
BR0015969A (pt) | 2002-07-16 |
DE60012568T2 (de) | 2005-08-04 |
DK1234484T3 (da) | 2004-11-22 |
DE60012568D1 (de) | 2004-09-02 |
BRPI0015969B1 (pt) | 2015-06-02 |
JP2003516069A (ja) | 2003-05-07 |
CA2392601A1 (en) | 2001-06-07 |
WO2001041504A1 (en) | 2001-06-07 |
EP1234484B1 (en) | 2004-07-28 |
CN1226901C (zh) | 2005-11-09 |
CA2392601C (en) | 2012-07-17 |
AU784855B2 (en) | 2006-07-06 |
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FG | Grant or registration |