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Old 27th June 2007, 04:33   #1  |  Link
sun_ryan
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WMV9 and Microsoft Mpeg-4 v1,v2,v3

Does anybody know the relationship betweeen WMV9 and Microsoft Mpeg-4 v1,v2,v3?
Thanks!!
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Old 27th June 2007, 04:36   #2  |  Link
setarip_old
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Hi!

There is none.

The MPEG-4 codecs date back to the late 1990s - and were the codecs that were hacked as DivX v.3.11alpha...
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Old 27th June 2007, 08:30   #3  |  Link
foxyshadis
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If you're curious about the history, WMV7 and 8 are improvements (quality, features, speed, bugfixes) on the msmpeg4 core, could be thought of as v4 and v5. WMV9 was designed from the ground up, some parts based on h.263+ and then-draft h.264, but quite a bit invented or reinvented in-house.
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Old 27th June 2007, 10:03   #4  |  Link
sun_ryan
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Thanks

Yes, I am interest in the developing history of MS Mpeg-4 and WMV.

Where can I find when these versions were published?
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Old 27th June 2007, 13:35   #5  |  Link
stegre
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Wikipedia has a pretty good overall history. For the newer WMV9/VC-1 related stuff, they also have a separate entry, and Zambelli's Doom9 "sticky thread", "VC-1 and Windows Media Video 9 FAQ", provides a wealth of practical, accurate and very useful information.
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