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Old January 24th, 2007, 09:53 AM   #1
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deinterlace after conversion?

a question about workflow:

I want to convert a vob file to deinterlaced avi. I've found I can do both with virtualdub.

Would it be better to convert to avi and save, then deinterlace the avi file?

or do both at the same time?
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Old January 25th, 2007, 04:53 AM   #2
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Both at the same time. I think it's better to deinterlace before applying any compression algorithm to the file.
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Old January 25th, 2007, 06:15 AM   #3
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I've been experimenting to find the best settings for deinterlacing.

a new question: the video was shot interlaced, encoded and burned onto a DVD in a VOB file. I'm going to convert these VOBs to AVI and re-edit, then encode to burn onto a DVD for viewing.

Should I deinterlace at all??? what determines when to deinterlace and when not to?
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Old January 26th, 2007, 05:35 AM   #4
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In this case don't deinterlace.

Generally deinterlacing means loss of resolution and detail and unless you need to ouput progressive footage then don't deinterlace.
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Old February 16th, 2007, 09:23 AM   #5
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Quote:
Originally Posted by Robert Bobson
Should I deinterlace at all??? what determines when to deinterlace and when not to?
The target display for viewing is what should determine whether or not to deinterlace.
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