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Avi v. MPEG4
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stackbr
Newbie
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7. December 2003 @ 09:20 _ Link to this message    Send private message to this user   
I have read a lot of contradicting info
about AVI and MPEG4.

Are MPEG4 files in AVI format (audio-video interleaved with some codec)?
The MPEG4 spec does not seem to say this?

I am looking for a document or an article that clears up once and for all what is
MPEG4 and what is AVI???
Praetor
Moderator
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9. December 2003 @ 22:56 _ Link to this message    Send private message to this user   
AVI = Audio Video Interleave
MPEG4 = a type of AVI file, typically associated with DivX and XviD which are both MPEG4-codecs

The "difference" is that and AVI can have any type of codec (or no codec even) for compression, i.e., CinePak, Indeo, Huffyuv, etc whilst a "MPEG4 'file'" specifically denotes any AVI file that uses an MPEG4 codec (i.e,, DivX)

Hope that clears thinsg up for ya :-)

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