MY151722A - Concept for combining multiple parametrically coded audio sources - Google Patents
Concept for combining multiple parametrically coded audio sourcesInfo
- Publication number
- MY151722A MY151722A MYPI20085348A MY151722A MY 151722 A MY151722 A MY 151722A MY PI20085348 A MYPI20085348 A MY PI20085348A MY 151722 A MY151722 A MY 151722A
- Authority
- MY
- Malaysia
- Prior art keywords
- audio
- concept
- audio sources
- combining multiple
- coded audio
- Prior art date
Links
Abstract
ACCORDING TO THE PRESENT INVENTION, MULTIPLE PARAMETRICALLY ENCODED AUDIO SIGNALS CAN BE EFFICIENTLY COMBINED USING AN AUDIO SIGNAL GENERATOR (100), WHICH GENERATES AN AUDIO OUTPUT SIGNAL (120) BY COMBINING THE DOWN-MIX CHANNELS(110A, 112A) AND THE ASSOCIATED PARAMETERS (110B,112B) OF THE AUDIO SIGNALS DIRECTLY WITHIN THE PARAMETER DOMAIN, I.E. WITHOUT RECONSTRUCTING OR DECODING THE INDIVIDUAL INPUT AUDIO SIGNALS PRIOR TO THE GENERATION OF THE AUDIO OUT-PUT SIGNAL (120). THIS IS ACHIEVED BY DIRECT MIXING OF THE ASSOCIATED DOWN-MIX CHANNELS (110A, 112A) OF THE INDIVIDUAL INPUT SIGNALS. IT IS ONE KEY FEATURE OF THE PRESENT INVENTION THAT THE COMBINATION OF THE DOWN-MIX CHANNELS (110A, 112A) IS ACHIEVED BY SIMPLE, COMPUTATIONALLY INEXPENSIVE ARITHMETIC OPERATIONS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81941906P | 2006-07-07 | 2006-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
MY151722A true MY151722A (en) | 2014-06-30 |
Family
ID=40977771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI20085348 MY151722A (en) | 2006-07-07 | 2007-04-24 | Concept for combining multiple parametrically coded audio sources |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN101506875B (en) |
MY (1) | MY151722A (en) |
ZA (1) | ZA200900016B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2008013078A (en) | 2007-02-14 | 2008-11-28 | Lg Electronics Inc | Methods and apparatuses for encoding and decoding object-based audio signals. |
CN101542595B (en) * | 2007-02-14 | 2016-04-13 | Lg电子株式会社 | For the method and apparatus of the object-based sound signal of Code And Decode |
CN102395097A (en) * | 2011-09-29 | 2012-03-28 | 深圳市万兴软件有限公司 | Method and system for down-mixing multi-channel audio signals |
US8880412B2 (en) | 2011-12-13 | 2014-11-04 | Futurewei Technologies, Inc. | Method to select active channels in audio mixing for multi-party teleconferencing |
CN109712630B (en) | 2013-05-24 | 2023-05-30 | 杜比国际公司 | Efficient encoding of audio scenes comprising audio objects |
EP3005352B1 (en) * | 2013-05-24 | 2017-03-29 | Dolby International AB | Audio object encoding and decoding |
EP2866227A1 (en) * | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder |
EP2980789A1 (en) * | 2014-07-30 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhancing an audio signal, sound enhancing system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6005948A (en) * | 1997-03-21 | 1999-12-21 | Sony Corporation | Audio channel mixing |
JP2005086486A (en) * | 2003-09-09 | 2005-03-31 | Alpine Electronics Inc | Audio system and audio processing method |
-
2007
- 2007-04-24 CN CN2007800316820A patent/CN101506875B/en active Active
- 2007-04-24 MY MYPI20085348 patent/MY151722A/en unknown
-
2009
- 2009-01-05 ZA ZA200900016A patent/ZA200900016B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN101506875A (en) | 2009-08-12 |
ZA200900016B (en) | 2009-12-30 |
CN101506875B (en) | 2012-12-19 |
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