JPH10295000A - サラウンド・サウンド符号化及び復号化装置 - Google Patents
サラウンド・サウンド符号化及び復号化装置Info
- Publication number
- JPH10295000A JPH10295000A JP10027262A JP2726298A JPH10295000A JP H10295000 A JPH10295000 A JP H10295000A JP 10027262 A JP10027262 A JP 10027262A JP 2726298 A JP2726298 A JP 2726298A JP H10295000 A JPH10295000 A JP H10295000A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- input
- combiner
- surround
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 239000011159 matrix material Substances 0.000 claims description 18
- 230000000295 complement effect Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 11
- 230000003595 spectral effect Effects 0.000 claims description 9
- 238000010606 normalization Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 2
- 230000001186 cumulative effect Effects 0.000 claims 3
- 230000010363 phase shift Effects 0.000 abstract description 12
- 230000005236 sound signal Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 25
- 238000001228 spectrum Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 8
- 238000000926 separation method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000007 visual 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)
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/796,285 US6711266B1 (en) | 1997-02-07 | 1997-02-07 | Surround sound channel encoding and decoding |
| US796285 | 1997-02-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10295000A true JPH10295000A (ja) | 1998-11-04 |
| JPH10295000A5 JPH10295000A5 (enExample) | 2005-11-04 |
Family
ID=25167812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10027262A Pending JPH10295000A (ja) | 1997-02-07 | 1998-02-09 | サラウンド・サウンド符号化及び復号化装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6711266B1 (enExample) |
| EP (1) | EP0858243B1 (enExample) |
| JP (1) | JPH10295000A (enExample) |
| DE (1) | DE69839329T2 (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000350300A (ja) * | 1999-05-17 | 2000-12-15 | Bose Corp | 指向性復号方法及び装置 |
| JP2013500615A (ja) * | 2009-07-24 | 2013-01-07 | ティーピー ビジョン ホールディング ビー ヴィ | 音声再生システム |
| JP5372142B2 (ja) * | 2009-04-17 | 2013-12-18 | パイオニア株式会社 | サラウンド信号生成装置、サラウンド信号生成方法、及びサラウンド信号生成プログラム |
| JP2014505427A (ja) * | 2011-01-04 | 2014-02-27 | ディーティーエス・エルエルシー | 没入型オーディオ・レンダリング・システム |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7016501B1 (en) * | 1997-02-07 | 2006-03-21 | Bose Corporation | Directional decoding |
| FR2781591B1 (fr) * | 1998-07-22 | 2000-09-22 | Technical Maintenance Corp | Systeme de reproduction audiovisuelle |
| US6760448B1 (en) * | 1999-02-05 | 2004-07-06 | Dolby Laboratories Licensing Corporation | Compatible matrix-encoded surround-sound channels in a discrete digital sound format |
| US7149313B1 (en) * | 1999-05-17 | 2006-12-12 | Bose Corporation | Audio signal processing |
| US7035413B1 (en) * | 2000-04-06 | 2006-04-25 | James K. Waller, Jr. | Dynamic spectral matrix surround system |
| US7269837B1 (en) * | 2000-05-31 | 2007-09-11 | Your Choice Interactive, Inc. | Interactive television advertising method |
| US6804565B2 (en) * | 2001-05-07 | 2004-10-12 | Harman International Industries, Incorporated | Data-driven software architecture for digital sound processing and equalization |
| US7447321B2 (en) | 2001-05-07 | 2008-11-04 | Harman International Industries, Incorporated | Sound processing system for configuration of audio signals in a vehicle |
| US7451006B2 (en) * | 2001-05-07 | 2008-11-11 | Harman International Industries, Incorporated | Sound processing system using distortion limiting techniques |
| US7164768B2 (en) | 2001-06-21 | 2007-01-16 | Bose Corporation | Audio signal processing |
| EP1585947B1 (en) * | 2002-05-03 | 2020-01-01 | Harman International Industries, Incorporated | Sound detection and localization system |
| US7542815B1 (en) * | 2003-09-04 | 2009-06-02 | Akita Blue, Inc. | Extraction of left/center/right information from two-channel stereo sources |
| US7330552B1 (en) * | 2003-12-19 | 2008-02-12 | Lamance Andrew | Multiple positional channels from a conventional stereo signal pair |
| BRPI0513255B1 (pt) * | 2004-07-14 | 2019-06-25 | Koninklijke Philips Electronics N.V. | Dispositivo e método para converter um primeiro número de canais de áudio de entrada em um segundo número de canais de áudio de saída, sistema de áudio, e, meio de armazenamento legível por computador |
| EP2175671B1 (en) | 2004-07-14 | 2012-05-09 | Koninklijke Philips Electronics N.V. | Method, device, encoder apparatus, decoder apparatus and audio system |
| US7974417B2 (en) * | 2005-04-13 | 2011-07-05 | Wontak Kim | Multi-channel bass management |
| JP4988717B2 (ja) | 2005-05-26 | 2012-08-01 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
| WO2006126844A2 (en) * | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
| US7688992B2 (en) * | 2005-09-12 | 2010-03-30 | Richard Aylward | Seat electroacoustical transducing |
| TWI485698B (zh) * | 2005-09-14 | 2015-05-21 | Lg Electronics Inc | 音頻訊號之解碼方法及其裝置 |
| US20080221907A1 (en) * | 2005-09-14 | 2008-09-11 | Lg Electronics, Inc. | Method and Apparatus for Decoding an Audio Signal |
| CN101341533B (zh) * | 2005-09-14 | 2012-04-18 | Lg电子株式会社 | 解码音频信号的方法和装置 |
| RU2380767C2 (ru) * | 2005-09-14 | 2010-01-27 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для декодирования аудиосигнала |
| EP1946295B1 (en) | 2005-09-14 | 2013-11-06 | LG Electronics Inc. | Method and apparatus for decoding an audio signal |
| US8296155B2 (en) * | 2006-01-19 | 2012-10-23 | Lg Electronics Inc. | Method and apparatus for decoding a signal |
| WO2007083956A1 (en) * | 2006-01-19 | 2007-07-26 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
| KR100921453B1 (ko) * | 2006-02-07 | 2009-10-13 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
| KR20080093422A (ko) * | 2006-02-09 | 2008-10-21 | 엘지전자 주식회사 | 오브젝트 기반 오디오 신호의 부호화 및 복호화 방법과 그장치 |
| ES2391117T3 (es) * | 2006-02-23 | 2012-11-21 | Lg Electronics Inc. | Método y aparato para procesar una señal de audio |
| WO2007110103A1 (en) | 2006-03-24 | 2007-10-04 | Dolby Sweden Ab | Generation of spatial downmixes from parametric representations of multi channel signals |
| EP1999745B1 (en) * | 2006-03-30 | 2016-08-31 | LG Electronics Inc. | Apparatuses and methods for processing an audio signal |
| US20080235006A1 (en) * | 2006-08-18 | 2008-09-25 | Lg Electronics, Inc. | Method and Apparatus for Decoding an Audio Signal |
| US20080273722A1 (en) * | 2007-05-04 | 2008-11-06 | Aylward J Richard | Directionally radiating sound in a vehicle |
| US9100748B2 (en) | 2007-05-04 | 2015-08-04 | Bose Corporation | System and method for directionally radiating sound |
| US8325936B2 (en) * | 2007-05-04 | 2012-12-04 | Bose Corporation | Directionally radiating sound in a vehicle |
| US8724827B2 (en) * | 2007-05-04 | 2014-05-13 | Bose Corporation | System and method for directionally radiating sound |
| US9131313B1 (en) * | 2012-02-07 | 2015-09-08 | Star Co. | System and method for audio reproduction |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503553A (en) | 1983-06-03 | 1985-03-05 | Dbx, Inc. | Loudspeaker system |
| US4799260A (en) * | 1985-03-07 | 1989-01-17 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
| US4941177A (en) | 1985-03-07 | 1990-07-10 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
| US5210802A (en) | 1990-04-30 | 1993-05-11 | Bose Corporation | Acoustic imaging |
| US5172415A (en) | 1990-06-08 | 1992-12-15 | Fosgate James W | Surround processor |
| GB9103207D0 (en) * | 1991-02-15 | 1991-04-03 | Gerzon Michael A | Stereophonic sound reproduction system |
| GB9204485D0 (en) | 1992-03-02 | 1992-04-15 | Trifield Productions Ltd | Surround sound apparatus |
| JP3555149B2 (ja) * | 1993-10-28 | 2004-08-18 | ソニー株式会社 | オーディオ信号符号化方法及び装置、記録媒体、オーディオ信号復号化方法及び装置、 |
| EP0693829A4 (en) | 1994-02-05 | 1998-08-26 | Sony Corp | METHOD AND DEVICE FOR ENCODING AND DECODING INFORMATION |
| US5642423A (en) * | 1995-11-22 | 1997-06-24 | Sony Corporation | Digital surround sound processor |
-
1997
- 1997-02-07 US US08/796,285 patent/US6711266B1/en not_active Expired - Lifetime
-
1998
- 1998-02-02 DE DE69839329T patent/DE69839329T2/de not_active Expired - Lifetime
- 1998-02-02 EP EP98300725A patent/EP0858243B1/en not_active Expired - Lifetime
- 1998-02-09 JP JP10027262A patent/JPH10295000A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000350300A (ja) * | 1999-05-17 | 2000-12-15 | Bose Corp | 指向性復号方法及び装置 |
| JP5372142B2 (ja) * | 2009-04-17 | 2013-12-18 | パイオニア株式会社 | サラウンド信号生成装置、サラウンド信号生成方法、及びサラウンド信号生成プログラム |
| JP2013500615A (ja) * | 2009-07-24 | 2013-01-07 | ティーピー ビジョン ホールディング ビー ヴィ | 音声再生システム |
| JP2014505427A (ja) * | 2011-01-04 | 2014-02-27 | ディーティーエス・エルエルシー | 没入型オーディオ・レンダリング・システム |
| US10034113B2 (en) | 2011-01-04 | 2018-07-24 | Dts Llc | Immersive audio rendering system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0858243A2 (en) | 1998-08-12 |
| US6711266B1 (en) | 2004-03-23 |
| EP0858243B1 (en) | 2008-04-09 |
| EP0858243A3 (en) | 1999-07-28 |
| DE69839329D1 (de) | 2008-05-21 |
| DE69839329T2 (de) | 2009-07-09 |
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Legal Events
| Date | Code | Title | Description |
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| A621 | Written request for application examination |
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