AU750877C - 5-2-5 matrix encoder and decoder system - Google Patents
5-2-5 matrix encoder and decoder systemInfo
- Publication number
- AU750877C AU750877C AU93026/98A AU9302698A AU750877C AU 750877 C AU750877 C AU 750877C AU 93026/98 A AU93026/98 A AU 93026/98A AU 9302698 A AU9302698 A AU 9302698A AU 750877 C AU750877 C AU 750877C
- Authority
- AU
- Australia
- Prior art keywords
- signal
- signals
- output
- center
- decoder
- 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.)
- Ceased
Links
- 239000011159 matrix material Substances 0.000 title claims description 300
- 238000000926 separation method Methods 0.000 claims description 60
- 230000000694 effects Effects 0.000 claims description 26
- 230000010363 phase shift Effects 0.000 claims description 24
- 230000005236 sound signal Effects 0.000 claims description 22
- 230000002829 reductive effect Effects 0.000 claims description 18
- 230000002238 attenuated effect Effects 0.000 claims description 12
- 230000003111 delayed effect Effects 0.000 claims description 10
- 230000001419 dependent effect Effects 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000004043 responsiveness Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 90
- 238000012937 correction Methods 0.000 description 44
- 238000000034 method Methods 0.000 description 32
- 238000013461 design Methods 0.000 description 31
- 230000008901 benefit Effects 0.000 description 25
- 230000007423 decrease Effects 0.000 description 22
- 230000008859 change Effects 0.000 description 17
- 230000000875 corresponding effect Effects 0.000 description 15
- 230000009467 reduction Effects 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- 230000006872 improvement Effects 0.000 description 10
- 238000004091 panning Methods 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- 238000013459 approach Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000007792 addition Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 239000000872 buffer Substances 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 5
- 230000001755 vocal effect Effects 0.000 description 5
- 230000001934 delay Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 238000012067 mathematical method Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000000153 supplemental effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 208000023514 Barrett esophagus Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003079 width control 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
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)
- Error Detection And Correction (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| USNOTGIVEN | 1994-10-17 | ||
| US5816997P | 1997-09-05 | 1997-09-05 | |
| US60/058169 | 1997-09-05 | ||
| US09/146,442 US6697491B1 (en) | 1996-07-19 | 1998-09-03 | 5-2-5 matrix encoder and decoder system |
| PCT/US1998/018390 WO1999012386A1 (en) | 1997-09-05 | 1998-09-03 | 5-2-5 matrix encoder and decoder system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| AU9302698A AU9302698A (en) | 1999-03-22 |
| AU750877B2 AU750877B2 (en) | 2002-08-01 |
| AU750877C true AU750877C (en) | 2004-04-29 |
Family
ID=26737320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU93026/98A Ceased AU750877C (en) | 1997-09-05 | 1998-09-03 | 5-2-5 matrix encoder and decoder system |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1013140B1 (enExample) |
| JP (2) | JP2004507904A (enExample) |
| CN (1) | CN1214690C (enExample) |
| AU (1) | AU750877C (enExample) |
| PL (1) | PL338988A1 (enExample) |
| WO (1) | WO1999012386A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154660A (en) * | 1998-07-21 | 2000-11-28 | Ericsson Inc. | Callee-based telephone line preselection |
| US6442278B1 (en) * | 1999-06-15 | 2002-08-27 | Hearing Enhancement Company, Llc | Voice-to-remaining audio (VRA) interactive center channel downmix |
| KR100923297B1 (ko) * | 2002-12-14 | 2009-10-23 | 삼성전자주식회사 | 스테레오 오디오 부호화 방법, 그 장치, 복호화 방법 및그 장치 |
| ES2273216T3 (es) * | 2003-02-11 | 2007-05-01 | Koninklijke Philips Electronics N.V. | Codificacion de audio. |
| JP3915804B2 (ja) * | 2004-08-26 | 2007-05-16 | ヤマハ株式会社 | オーディオ再生装置 |
| TWI397903B (zh) * | 2005-04-13 | 2013-06-01 | Dolby Lab Licensing Corp | 編碼音訊之節約音量測量技術 |
| WO2006132857A2 (en) * | 2005-06-03 | 2006-12-14 | Dolby Laboratories Licensing Corporation | Apparatus and method for encoding audio signals with decoding instructions |
| KR100857104B1 (ko) * | 2005-07-29 | 2008-09-05 | 엘지전자 주식회사 | 인코딩된 오디오 신호 생성 및 처리 방법 |
| US8073703B2 (en) | 2005-10-07 | 2011-12-06 | Panasonic Corporation | Acoustic signal processing apparatus and acoustic signal processing method |
| TWI420918B (zh) * | 2005-12-02 | 2013-12-21 | Dolby Lab Licensing Corp | 低複雜度音訊矩陣解碼器 |
| KR100904435B1 (ko) * | 2006-04-03 | 2009-06-24 | 엘지전자 주식회사 | 미디어 신호 처리 방법 및 장치 |
| TWI517562B (zh) * | 2006-04-04 | 2016-01-11 | 杜比實驗室特許公司 | 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式 |
| US8660280B2 (en) | 2007-11-28 | 2014-02-25 | Qualcomm Incorporated | Methods and apparatus for providing a distinct perceptual location for an audio source within an audio mixture |
| US8515106B2 (en) | 2007-11-28 | 2013-08-20 | Qualcomm Incorporated | Methods and apparatus for providing an interface to a processing engine that utilizes intelligent audio mixing techniques |
| EP2279509B1 (en) | 2008-04-18 | 2012-12-19 | Dolby Laboratories Licensing Corporation | Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience |
| ES2425814T3 (es) * | 2008-08-13 | 2013-10-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato para determinar una señal de audio espacial convertida |
| TWI413109B (zh) | 2008-10-01 | 2013-10-21 | Dolby Lab Licensing Corp | 用於上混系統之解相關器 |
| KR101600352B1 (ko) * | 2008-10-30 | 2016-03-07 | 삼성전자주식회사 | 멀티 채널 신호의 부호화/복호화 장치 및 방법 |
| CN103000179B (zh) * | 2011-09-16 | 2014-11-12 | 中国科学院声学研究所 | 一种多通道音频编解码系统及其方法 |
| US9728194B2 (en) | 2012-02-24 | 2017-08-08 | Dolby International Ab | Audio processing |
| CN108206021B (zh) * | 2016-12-16 | 2020-12-18 | 南京青衿信息科技有限公司 | 一种后向兼容式三维声编码器、解码器及其编解码方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3934086A (en) * | 1973-08-20 | 1976-01-20 | Sansui Electric Co., Ltd. | Matrix four-channel decoding system |
| US4152542A (en) * | 1971-10-06 | 1979-05-01 | Cooper Duane P | Multichannel matrix logic and encoding systems |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4862502A (en) * | 1988-01-06 | 1989-08-29 | Lexicon, Inc. | Sound reproduction |
| JP2647991B2 (ja) * | 1990-04-26 | 1997-08-27 | 三洋電機株式会社 | 方向性強調を有するオーディオ信号処理装置 |
| US5504819A (en) * | 1990-06-08 | 1996-04-02 | Harman International Industries, Inc. | Surround sound processor with improved control voltage generator |
| US5172415A (en) * | 1990-06-08 | 1992-12-15 | Fosgate James W | Surround processor |
| US5136650A (en) * | 1991-01-09 | 1992-08-04 | Lexicon, Inc. | Sound reproduction |
| GB9103207D0 (en) * | 1991-02-15 | 1991-04-03 | Gerzon Michael A | Stereophonic sound reproduction system |
| JPH0560098U (ja) * | 1992-01-09 | 1993-08-06 | 三洋電機株式会社 | 音声信号処理装置 |
| US5796844A (en) * | 1996-07-19 | 1998-08-18 | Lexicon | Multichannel active matrix sound reproduction with maximum lateral separation |
-
1998
- 1998-09-03 JP JP2000509252A patent/JP2004507904A/ja not_active Withdrawn
- 1998-09-03 EP EP98945881A patent/EP1013140B1/en not_active Expired - Lifetime
- 1998-09-03 CN CNB988109131A patent/CN1214690C/zh not_active Expired - Lifetime
- 1998-09-03 AU AU93026/98A patent/AU750877C/en not_active Ceased
- 1998-09-03 WO PCT/US1998/018390 patent/WO1999012386A1/en not_active Ceased
- 1998-09-03 PL PL98338988A patent/PL338988A1/xx unknown
-
2006
- 2006-05-29 JP JP2006149032A patent/JP4782614B2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152542A (en) * | 1971-10-06 | 1979-05-01 | Cooper Duane P | Multichannel matrix logic and encoding systems |
| US3934086A (en) * | 1973-08-20 | 1976-01-20 | Sansui Electric Co., Ltd. | Matrix four-channel decoding system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006238498A (ja) | 2006-09-07 |
| EP1013140A1 (en) | 2000-06-28 |
| WO1999012386A9 (en) | 2004-10-21 |
| JP2004507904A (ja) | 2004-03-11 |
| JP4782614B2 (ja) | 2011-09-28 |
| AU9302698A (en) | 1999-03-22 |
| AU750877B2 (en) | 2002-08-01 |
| EP1013140B1 (en) | 2012-12-05 |
| PL338988A1 (en) | 2000-12-04 |
| WO1999012386A1 (en) | 1999-03-11 |
| CN1214690C (zh) | 2005-08-10 |
| EP1013140A4 (en) | 2003-05-07 |
| CN1278996A (zh) | 2001-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5796844A (en) | Multichannel active matrix sound reproduction with maximum lateral separation | |
| AU750877C (en) | 5-2-5 matrix encoder and decoder system | |
| US5870480A (en) | Multichannel active matrix encoder and decoder with maximum lateral separation | |
| US6697491B1 (en) | 5-2-5 matrix encoder and decoder system | |
| AU747377B2 (en) | Multidirectional audio decoding | |
| US5136650A (en) | Sound reproduction | |
| US4862502A (en) | Sound reproduction | |
| US10104488B2 (en) | Audio channel spatial translation | |
| Griesinger | Multichannel matrix surround decoders for two-eared listeners | |
| US20010014160A1 (en) | Sound field correction circuit | |
| JP2010178375A (ja) | 5−2−5マトリックス・エンコーダおよびデコーダ・システム | |
| Griesinger | Progress in 5-2-5 matrix systems | |
| MXPA00002235A (en) | 5-2-5 matrix encoder and decoder system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DA2 | Applications for amendment section 104 |
Free format text: THE NATURE OF THE PROPOSED AMENDMENT IS AS SHOWN IN THE STATEMENT(S) FILED 20030630 |
|
| DA3 | Amendments made section 104 |
Free format text: THE NATURE OF THE AMENDMENT IS AS WAS NOTIFIED IN THE OFFICIAL JOURNAL DATED 20031009 |
|
| HB | Alteration of name in register |
Owner name: LEXICON, INC. Free format text: FORMER NAME WAS: LEXICON |