That's MPEG2. There are many sites around the Internet discussing all
this - look for 'em in your favorite search engine, since the depth of
information you want would affect how much info you'd need.
--
(speaking for myself and doing this in my free time)
See http://www.nwlink.com/~zachd/pss/pss.html for some helpful WMP info.
Following up to your post with the resolution is good netiquette.
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