CN101911731B - 矩阵解码器 - Google Patents
矩阵解码器 Download PDFInfo
- Publication number
- CN101911731B CN101911731B CN2009801020029A CN200980102002A CN101911731B CN 101911731 B CN101911731 B CN 101911731B CN 2009801020029 A CN2009801020029 A CN 2009801020029A CN 200980102002 A CN200980102002 A CN 200980102002A CN 101911731 B CN101911731 B CN 101911731B
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- signal
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- sound
- 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.)
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Classifications
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- 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
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- 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)
- Stereo-Broadcasting Methods (AREA)
Abstract
Description
Claims (26)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1089608P | 2008-01-11 | 2008-01-11 | |
US61/010,896 | 2008-01-11 | ||
PCT/US2009/030204 WO2009089209A1 (en) | 2008-01-11 | 2009-01-06 | Matrix decoder |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101911731A CN101911731A (zh) | 2010-12-08 |
CN101911731B true CN101911731B (zh) | 2012-12-05 |
Family
ID=40637689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009801020029A Active CN101911731B (zh) | 2008-01-11 | 2009-01-06 | 矩阵解码器 |
Country Status (16)
Country | Link |
---|---|
US (1) | US8488798B2 (zh) |
EP (1) | EP2241119B1 (zh) |
JP (1) | JP5216102B2 (zh) |
KR (1) | KR101524514B1 (zh) |
CN (1) | CN101911731B (zh) |
AU (1) | AU2009204238B2 (zh) |
BR (1) | BRPI0907610B1 (zh) |
CA (1) | CA2711144C (zh) |
HK (1) | HK1144133A1 (zh) |
IL (1) | IL206555A (zh) |
MX (1) | MX2010008183A (zh) |
MY (1) | MY161520A (zh) |
RU (1) | RU2456766C2 (zh) |
TW (1) | TWI424755B (zh) |
UA (1) | UA99639C2 (zh) |
WO (1) | WO2009089209A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI540912B (zh) * | 2010-05-25 | 2016-07-01 | 晨星半導體股份有限公司 | 音訊處理裝置及音訊處理方法 |
EP2645748A1 (en) | 2012-03-28 | 2013-10-02 | Thomson Licensing | Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999057941A1 (en) * | 1998-05-05 | 1999-11-11 | Dolby Laboratories Licensing Corporation | Matrix-encoded surround-sound channels in a discrete digital sound format |
WO2007067320A2 (en) * | 2005-12-02 | 2007-06-14 | Dolby Laboratories Licensing Corporation | Low-complexity audio matrix decoder |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4748669A (en) * | 1986-03-27 | 1988-05-31 | Hughes Aircraft Company | Stereo enhancement system |
TW510143B (en) * | 1999-12-03 | 2002-11-11 | Dolby Lab Licensing Corp | Method for deriving at least three audio signals from two input audio signals |
US6970567B1 (en) * | 1999-12-03 | 2005-11-29 | Dolby Laboratories Licensing Corporation | Method and apparatus for deriving at least one audio signal from two or more input audio signals |
AU8852801A (en) * | 2000-08-31 | 2002-03-13 | Dolby Lab Licensing Corp | Method for apparatus for audio matrix decoding |
US7177432B2 (en) * | 2001-05-07 | 2007-02-13 | Harman International Industries, Incorporated | Sound processing system with degraded signal optimization |
US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
JP2005223706A (ja) * | 2004-02-06 | 2005-08-18 | Victor Co Of Japan Ltd | ビデオカメラの録音装置 |
-
2008
- 2008-12-23 TW TW097150249A patent/TWI424755B/zh active
-
2009
- 2009-01-06 RU RU2010133557/08A patent/RU2456766C2/ru active
- 2009-01-06 BR BRPI0907610-7A patent/BRPI0907610B1/pt active IP Right Grant
- 2009-01-06 US US12/811,882 patent/US8488798B2/en active Active
- 2009-01-06 MY MYPI2010002938A patent/MY161520A/en unknown
- 2009-01-06 MX MX2010008183A patent/MX2010008183A/es active IP Right Grant
- 2009-01-06 AU AU2009204238A patent/AU2009204238B2/en active Active
- 2009-01-06 KR KR1020107017168A patent/KR101524514B1/ko active IP Right Grant
- 2009-01-06 WO PCT/US2009/030204 patent/WO2009089209A1/en active Application Filing
- 2009-01-06 CN CN2009801020029A patent/CN101911731B/zh active Active
- 2009-01-06 EP EP09700168.9A patent/EP2241119B1/en active Active
- 2009-01-06 UA UAA201009953A patent/UA99639C2/ru unknown
- 2009-01-06 JP JP2010542310A patent/JP5216102B2/ja active Active
- 2009-01-06 CA CA2711144A patent/CA2711144C/en active Active
-
2010
- 2010-06-22 IL IL206555A patent/IL206555A/en active IP Right Grant
- 2010-11-11 HK HK10110499.3A patent/HK1144133A1/xx unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999057941A1 (en) * | 1998-05-05 | 1999-11-11 | Dolby Laboratories Licensing Corporation | Matrix-encoded surround-sound channels in a discrete digital sound format |
WO2007067320A2 (en) * | 2005-12-02 | 2007-06-14 | Dolby Laboratories Licensing Corporation | Low-complexity audio matrix decoder |
Also Published As
Publication number | Publication date |
---|---|
HK1144133A1 (en) | 2011-01-28 |
US8488798B2 (en) | 2013-07-16 |
UA99639C2 (en) | 2012-09-10 |
TWI424755B (zh) | 2014-01-21 |
BRPI0907610A2 (pt) | 2015-07-21 |
KR20100108416A (ko) | 2010-10-06 |
RU2456766C2 (ru) | 2012-07-20 |
US20100284542A1 (en) | 2010-11-11 |
IL206555A0 (en) | 2010-12-30 |
JP2011509641A (ja) | 2011-03-24 |
AU2009204238A1 (en) | 2009-07-16 |
MY161520A (en) | 2017-04-28 |
MX2010008183A (es) | 2010-09-22 |
CA2711144A1 (en) | 2009-07-16 |
CN101911731A (zh) | 2010-12-08 |
CA2711144C (en) | 2016-06-28 |
BRPI0907610B1 (pt) | 2020-12-29 |
EP2241119A1 (en) | 2010-10-20 |
IL206555A (en) | 2015-06-30 |
WO2009089209A4 (en) | 2009-10-08 |
JP5216102B2 (ja) | 2013-06-19 |
TW200944047A (en) | 2009-10-16 |
RU2010133557A (ru) | 2012-02-20 |
WO2009089209A1 (en) | 2009-07-16 |
KR101524514B1 (ko) | 2015-06-02 |
AU2009204238B2 (en) | 2013-04-04 |
EP2241119B1 (en) | 2013-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20101208 Assignee: Lenovo Mobile Communication Technology Ltd. Assignor: Dolby Laboratories Licensing Corp,|Dolby International AB Contract record no.: 2012990000858 Denomination of invention: Matrix decoder License type: Common License Record date: 20121129 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20101208 Assignee: Beijing millet Communication Technology Co., Ltd. Assignor: Dolby Laboratories Licensing Corp,|Dolby International AB Contract record no.: 2013990000048 Denomination of invention: Matrix decoder Granted publication date: 20121205 License type: Common License Record date: 20130206 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20101208 Assignee: Guangdong OPPO Mobile Communications Co., Ltd. Assignor: Dolby Lab Licensing Corp. Contract record no.: 2014990000067 Denomination of invention: Matrix decoder Granted publication date: 20121205 License type: Common License Record date: 20140210 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |