JP4354017B2 - 5−2−5マトリクス・システム - Google Patents
5−2−5マトリクス・システム Download PDFInfo
- Publication number
- JP4354017B2 JP4354017B2 JP34413796A JP34413796A JP4354017B2 JP 4354017 B2 JP4354017 B2 JP 4354017B2 JP 34413796 A JP34413796 A JP 34413796A JP 34413796 A JP34413796 A JP 34413796A JP 4354017 B2 JP4354017 B2 JP 4354017B2
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- JP
- Japan
- Prior art keywords
- signal
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- output
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- input signal
- 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
- 239000011159 matrix material Substances 0.000 title description 19
- 238000000034 method Methods 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 24
- 230000004044 response Effects 0.000 claims description 17
- 230000002238 attenuated effect Effects 0.000 claims description 11
- 230000005236 sound signal Effects 0.000 claims description 11
- 230000010363 phase shift Effects 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims 16
- 238000001914 filtration Methods 0.000 claims 8
- 230000007423 decrease Effects 0.000 claims 6
- 230000007704 transition Effects 0.000 description 24
- 238000001514 detection method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 6
- 238000004091 panning Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
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)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US922995P | 1995-12-26 | 1995-12-26 | |
| US08/769,452 US5771295A (en) | 1995-12-26 | 1996-12-18 | 5-2-5 matrix system |
| US769452 | 1996-12-18 | ||
| US60/009229 | 1996-12-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH09289700A JPH09289700A (ja) | 1997-11-04 |
| JPH09289700A5 JPH09289700A5 (OSRAM) | 2004-12-09 |
| JP4354017B2 true JP4354017B2 (ja) | 2009-10-28 |
Family
ID=21736381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34413796A Expired - Lifetime JP4354017B2 (ja) | 1995-12-26 | 1996-12-24 | 5−2−5マトリクス・システム |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5771295A (OSRAM) |
| EP (1) | EP0782372B1 (OSRAM) |
| JP (1) | JP4354017B2 (OSRAM) |
| DE (1) | DE69638306D1 (OSRAM) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6198827B1 (en) * | 1995-12-26 | 2001-03-06 | Rocktron Corporation | 5-2-5 Matrix system |
| US6697491B1 (en) * | 1996-07-19 | 2004-02-24 | Harman International Industries, Incorporated | 5-2-5 matrix encoder and decoder system |
| US5912976A (en) * | 1996-11-07 | 1999-06-15 | Srs Labs, Inc. | Multi-channel audio enhancement system for use in recording and playback and methods for providing same |
| EP0946079B1 (en) * | 1998-03-26 | 2010-06-16 | Thomson Licensing | Method and apparatus for presenting digital surround sound data |
| JP4151110B2 (ja) * | 1998-05-14 | 2008-09-17 | ソニー株式会社 | オーディオ信号処理装置およびオーディオ信号再生装置 |
| US6285767B1 (en) | 1998-09-04 | 2001-09-04 | Srs Labs, Inc. | Low-frequency audio enhancement system |
| US6590983B1 (en) | 1998-10-13 | 2003-07-08 | Srs Labs, Inc. | Apparatus and method for synthesizing pseudo-stereophonic outputs from a monophonic input |
| US6993480B1 (en) | 1998-11-03 | 2006-01-31 | Srs Labs, Inc. | Voice intelligibility enhancement system |
| US6694027B1 (en) | 1999-03-09 | 2004-02-17 | Smart Devices, Inc. | Discrete multi-channel/5-2-5 matrix system |
| US7031474B1 (en) * | 1999-10-04 | 2006-04-18 | Srs Labs, Inc. | Acoustic correction apparatus |
| US7277767B2 (en) * | 1999-12-10 | 2007-10-02 | Srs Labs, Inc. | System and method for enhanced streaming audio |
| US7035413B1 (en) * | 2000-04-06 | 2006-04-25 | James K. Waller, Jr. | Dynamic spectral matrix surround system |
| US7292901B2 (en) * | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
| US20030035553A1 (en) * | 2001-08-10 | 2003-02-20 | Frank Baumgarte | Backwards-compatible perceptual coding of spatial cues |
| US7583805B2 (en) * | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
| US7116787B2 (en) * | 2001-05-04 | 2006-10-03 | Agere Systems Inc. | Perceptual synthesis of auditory scenes |
| US7644003B2 (en) * | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| US7451006B2 (en) * | 2001-05-07 | 2008-11-11 | Harman International Industries, Incorporated | Sound processing system using distortion limiting techniques |
| US7447321B2 (en) * | 2001-05-07 | 2008-11-04 | Harman International Industries, Incorporated | Sound processing system for configuration of audio signals in a vehicle |
| US6804565B2 (en) * | 2001-05-07 | 2004-10-12 | Harman International Industries, Incorporated | Data-driven software architecture for digital sound processing and equalization |
| US6849794B1 (en) | 2001-05-14 | 2005-02-01 | Ronnie C. Lau | Multiple channel system |
| EP1585947B1 (en) * | 2002-05-03 | 2020-01-01 | Harman International Industries, Incorporated | Sound detection and localization system |
| US7522733B2 (en) * | 2003-12-12 | 2009-04-21 | Srs Labs, Inc. | Systems and methods of spatial image enhancement of a sound source |
| CA2456373A1 (fr) * | 2004-02-10 | 2005-08-10 | Simon Roy | Eliminateur de signaux communs d'une source stereo |
| US7805313B2 (en) * | 2004-03-04 | 2010-09-28 | Agere Systems Inc. | Frequency-based coding of channels in parametric multi-channel coding systems |
| JP3815482B2 (ja) * | 2004-03-09 | 2006-08-30 | セイコーエプソン株式会社 | データ転送制御装置及び電子機器 |
| EP2175671B1 (en) * | 2004-07-14 | 2012-05-09 | Koninklijke Philips Electronics N.V. | Method, device, encoder apparatus, decoder apparatus and audio system |
| US7720230B2 (en) * | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
| US8204261B2 (en) * | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
| US7787631B2 (en) | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
| DE602005017302D1 (de) | 2004-11-30 | 2009-12-03 | Agere Systems Inc | Synchronisierung von parametrischer raumtonkodierung mit extern bereitgestelltem downmix |
| JP5106115B2 (ja) * | 2004-11-30 | 2012-12-26 | アギア システムズ インコーポレーテッド | オブジェクト・ベースのサイド情報を用いる空間オーディオのパラメトリック・コーディング |
| KR100682904B1 (ko) * | 2004-12-01 | 2007-02-15 | 삼성전자주식회사 | 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법 |
| TW200627999A (en) | 2005-01-05 | 2006-08-01 | Srs Labs Inc | Phase compensation techniques to adjust for speaker deficiencies |
| US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
| US20060198528A1 (en) * | 2005-03-03 | 2006-09-07 | Thx, Ltd. | Interactive content sound system |
| WO2007033150A1 (en) | 2005-09-13 | 2007-03-22 | Srs Labs, Inc. | Systems and methods for audio processing |
| WO2007110103A1 (en) * | 2006-03-24 | 2007-10-04 | Dolby Sweden Ab | Generation of spatial downmixes from parametric representations of multi channel signals |
| KR101346490B1 (ko) * | 2006-04-03 | 2014-01-02 | 디티에스 엘엘씨 | 오디오 신호 처리 방법 및 장치 |
| US7606716B2 (en) * | 2006-07-07 | 2009-10-20 | Srs Labs, Inc. | Systems and methods for multi-dialog surround audio |
| US8050434B1 (en) | 2006-12-21 | 2011-11-01 | Srs Labs, Inc. | Multi-channel audio enhancement system |
| JP5399271B2 (ja) * | 2007-03-09 | 2014-01-29 | ディーティーエス・エルエルシー | 周波数ワープオーディオ等化器 |
| JP4655098B2 (ja) * | 2008-03-05 | 2011-03-23 | ヤマハ株式会社 | 音声信号出力装置、音声信号出力方法およびプログラム |
| US20120155650A1 (en) * | 2010-12-15 | 2012-06-21 | Harman International Industries, Incorporated | Speaker array for virtual surround rendering |
| US9088858B2 (en) | 2011-01-04 | 2015-07-21 | Dts Llc | Immersive audio rendering system |
| KR102011537B1 (ko) | 2011-12-27 | 2019-08-16 | 디티에스 엘엘씨 | 베이스 강화 시스템 |
| JP6438892B2 (ja) | 2013-02-04 | 2018-12-19 | クロノトン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 多チャンネル音声システムでの多チャンネル音声処理方法 |
| WO2014190140A1 (en) | 2013-05-23 | 2014-11-27 | Alan Kraemer | Headphone audio enhancement system |
| JP6543627B2 (ja) | 2013-07-30 | 2019-07-10 | ディーティーエス・インコーポレイテッドDTS,Inc. | 一定出力ペアワイズパニングによるマトリクスデコーダ |
| US9552819B2 (en) | 2013-11-27 | 2017-01-24 | Dts, Inc. | Multiplet-based matrix mixing for high-channel count multichannel audio |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3746792A (en) * | 1968-01-11 | 1973-07-17 | P Scheiber | Multidirectional sound system |
| US3959590A (en) * | 1969-01-11 | 1976-05-25 | Peter Scheiber | Stereophonic sound system |
| US3632886A (en) * | 1969-12-29 | 1972-01-04 | Peter Scheiber | Quadrasonic sound system |
| US4589129A (en) * | 1984-02-21 | 1986-05-13 | Kintek, Inc. | Signal decoding system |
| US4704728A (en) * | 1984-12-31 | 1987-11-03 | Peter Scheiber | Signal re-distribution, decoding and processing in accordance with amplitude, phase, and other characteristics |
| US4799260A (en) * | 1985-03-07 | 1989-01-17 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
| US4680796A (en) * | 1986-04-11 | 1987-07-14 | Kintek, Inc. | Sound encoding system |
| NL8602329A (nl) * | 1986-09-15 | 1988-04-05 | Philips Nv | Vertragingsschakeling voorzien van alles-doorlatende netwerken. |
| US5172415A (en) * | 1990-06-08 | 1992-12-15 | Fosgate James W | Surround processor |
| US5428687A (en) * | 1990-06-08 | 1995-06-27 | James W. Fosgate | Control voltage generator multiplier and one-shot for integrated surround sound processor |
| GB9103207D0 (en) * | 1991-02-15 | 1991-04-03 | Gerzon Michael A | Stereophonic sound reproduction system |
| US5319713A (en) * | 1992-11-12 | 1994-06-07 | Rocktron Corporation | Multi dimensional sound circuit |
| US5333201A (en) * | 1992-11-12 | 1994-07-26 | Rocktron Corporation | Multi dimensional sound circuit |
| US5642423A (en) * | 1995-11-22 | 1997-06-24 | Sony Corporation | Digital surround sound processor |
-
1996
- 1996-12-18 US US08/769,452 patent/US5771295A/en not_active Expired - Lifetime
- 1996-12-23 DE DE69638306T patent/DE69638306D1/de not_active Expired - Lifetime
- 1996-12-23 EP EP96309410A patent/EP0782372B1/en not_active Expired - Lifetime
- 1996-12-24 JP JP34413796A patent/JP4354017B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69638306D1 (de) | 2011-01-27 |
| EP0782372B1 (en) | 2010-12-15 |
| EP0782372A3 (en) | 1999-01-20 |
| US5771295A (en) | 1998-06-23 |
| EP0782372A2 (en) | 1997-07-02 |
| JPH09289700A (ja) | 1997-11-04 |
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