Windows Media Audio Pro: Difference between revisions
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byte 15-16 Mask used for calculating samples per frame (int16_t) | byte 15-16 Mask used for calculating samples per frame (int16_t) | ||
byte 17-18 Unknown | byte 17-18 Unknown | ||
Example extradata dump of a 5.1 file: | |||
[18] [0] [3f] [0] [0] [0] [0] [0] [0] [0] [0] [0] [0] [0] [e0] [0] [0] [0] | |||
[[Category:Audio Codecs]] | [[Category:Audio Codecs]] | ||
[[Category:Undiscovered Audio Codecs]] | [[Category:Undiscovered Audio Codecs]] |
Revision as of 08:36, 27 December 2007
- Microsoft Audio ID: 0x0162
- Company: Microsoft
- Samples: http://samples.mplayerhq.hu/A-codecs/WMA9/
The next generation of Windows Media audio codecs.
Extra data layout
This is a rough guess of the extra data from the asf container (little endian order).
byte 1-2 Size of extradata byte 3-6 Channel mask (http://msdn2.microsoft.com/en-us/library/ms790436.aspx) byte 7-14 Unknown byte 15-16 Mask used for calculating samples per frame (int16_t) byte 17-18 Unknown
Example extradata dump of a 5.1 file:
[18] [0] [3f] [0] [0] [0] [0] [0] [0] [0] [0] [0] [0] [0] [e0] [0] [0] [0]