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Size ratio: DivX/Xvid *.avi vs. final DVD ? Why is VIDEO_TS so much bigger ?

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Joe DeAngelo

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Oct 13, 2006, 7:31:40 AM10/13/06
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I have an Xvid *.avi movie on my hard disc and converted it with ConvertXtoDVD tool.
It worked successfully but I was surprised about the resulting file sizes.

While the original *.avi file size is about 716 MB the sum of the resulting *.VOB files in the
VIDEO_TS folder is about 4.21 GB ?

Is there always a ratio of 1:6 between source and target file sizes ?
Can I pre-calculate the resulting *.VOB sizes from the source *.avi file size?

Is there a difference of the used source target (Xvid or DivX or ...)?

Does the final *.VOB file sizes (significantly) depend from the used AVI-to-DVD program?

Joe

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