JP2004507904A5 - - Google Patents
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- Publication number
- JP2004507904A5 JP2004507904A5 JP2000509252A JP2000509252A JP2004507904A5 JP 2004507904 A5 JP2004507904 A5 JP 2004507904A5 JP 2000509252 A JP2000509252 A JP 2000509252A JP 2000509252 A JP2000509252 A JP 2000509252A JP 2004507904 A5 JP2004507904 A5 JP 2004507904A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- surround
- input
- 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.)
- Withdrawn
Links
- 239000011159 matrix material Substances 0.000 claims description 74
- 239000000463 material Substances 0.000 claims description 10
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000002238 attenuated effect Effects 0.000 claims 1
- 230000002596 correlated effect Effects 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 claims 1
- 230000010363 phase shift Effects 0.000 claims 1
- 239000004615 ingredient Substances 0.000 description 1
Images
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5816997P | 1997-09-05 | 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 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006149032A Division JP4782614B2 (ja) | 1997-09-05 | 2006-05-29 | デコーダ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004507904A JP2004507904A (ja) | 2004-03-11 |
| JP2004507904A5 true JP2004507904A5 (ko) | 2006-01-12 |
Family
ID=26737320
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000509252A Withdrawn JP2004507904A (ja) | 1997-09-05 | 1998-09-03 | ５−２−５マトリックス・エンコーダおよびデコーダ・システム |
| JP2006149032A Expired - Lifetime JP4782614B2 (ja) | 1997-09-05 | 2006-05-29 | デコーダ |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006149032A Expired - Lifetime JP4782614B2 (ja) | 1997-09-05 | 2006-05-29 | デコーダ |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1013140B1 (ko) |
| JP (2) | JP2004507904A (ko) |
| CN (1) | CN1214690C (ko) |
| AU (1) | AU750877C (ko) |
| PL (1) | PL338988A1 (ko) |
| WO (1) | WO1999012386A1 (ko) |
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 |
| US7181019B2 (en) * | 2003-02-11 | 2007-02-20 | Koninklijke Philips Electronics N. V. | Audio coding |
| 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 |
| MX2007015118A (es) * | 2005-06-03 | 2008-02-14 | Dolby Lab Licensing Corp | Aparato y metodo para codificacion de senales de audio con instrucciones de decodificacion. |
| KR100857103B1 (ko) * | 2005-07-29 | 2008-09-08 | 엘지전자 주식회사 | 오디오 신호 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 |
| KR20080086549A (ko) * | 2006-04-03 | 2008-09-25 | 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 |
| RU2467406C2 (ru) | 2008-04-18 | 2012-11-20 | Долби Лэборетериз Лайсенсинг Корпорейшн | Способ и устройство для поддержки воспринимаемости речи в многоканальном звуковом сопровождении с минимальным влиянием на систему объемного звучания |
| EP2154677B1 (en) * | 2008-08-13 | 2013-07-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus for determining a converted spatial audio signal |
| 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 |
| CN104160442B (zh) * | 2012-02-24 | 2016-10-12 | 杜比国际公司 | 音频处理 |
| 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 |
Family Cites Families (10)
| 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 |
| JPS5248001B2 (ko) * | 1973-08-20 | 1977-12-07 | ||
| 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 |
| US5172415A (en) * | 1990-06-08 | 1992-12-15 | Fosgate James W | Surround processor |
| US5504819A (en) * | 1990-06-08 | 1996-04-02 | Harman International Industries, Inc. | Surround sound processor with improved control voltage generator |
| 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 AU AU93026/98A patent/AU750877C/en not_active Ceased
- 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 WO PCT/US1998/018390 patent/WO1999012386A1/en not_active Application Discontinuation
- 1998-09-03 PL PL98338988A patent/PL338988A1/xx unknown
- 1998-09-03 JP JP2000509252A patent/JP2004507904A/ja not_active Withdrawn
-
2006
- 2006-05-29 JP JP2006149032A patent/JP4782614B2/ja not_active Expired - Lifetime
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