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afterdawn.com > forums > digital video > video - everything else > which are larger- avi or mpeg?
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Which are larger- avi or mpeg?
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notsirk
Newbie
_ 		21. January 2005 @ 22:43 _ Link to this message    Send private message to this user   
So I'm burning dvd's with both avi and mpeg files with Nero and I'm trying to fit as many files on the disc as I can. I have an avi file that is about 65 MB and an mpeg that's about 110 MB but the avi puts me way over the limit while the mpeg gets me just a tad over. Does it make sense to anyone why the smaller file takes up more space?
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448191
Suspended due to non-functional email address
_ 		23. January 2005 @ 04:57 _ Link to this message    Send private message to this user   
It's not the filesize that matters, but the LENGTH of the clips. Avi files are often coded with MPEG4 codecs like divx or xvid, which can compress a longer clip to a smaller size than MPEG2...

Starting to make sense?

Oops, I forgot to explain to you that when you author a DVD, the video has to be transcoded to MPEG2, which causes the (longer) avi to take up more space on your DVD...
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This message has been edited since posting. Last time this message was edited on 23. January 2005 @ 05:00
notsirk
Newbie
_ 		23. January 2005 @ 08:55 _ Link to this message    Send private message to this user   
Thank you. It's makes a little more sense now. Although the two files are the same length, so I guess it has to do with how each file type is transcoded?
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448191
Suspended due to non-functional email address
_ 		24. January 2005 @ 10:16 _ Link to this message    Send private message to this user   
Same length in time??? That shouldn't be possible, either the files are corrupted, or you're doing something odd..
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notsirk
Newbie
_ 		24. January 2005 @ 21:50 _ Link to this message    Send private message to this user   
I don't think they're corrupted because I can watch them just fine on the computer.
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shiroh
Account closed as per user's own request
_ 		25. January 2005 @ 02:43 _ Link to this message    Send private message to this user   
try this.
source DVD movie you usually buy at the video store.
rip it

encode with divx/xvid
and
encode to mpeg2 (tmpgenc, cce, etc)

for the same filesize. you'll get better video with xvid, cause its much more efficient than mpeg2
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