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Old 7th January 2019, 15:41   #1  |  Link
radorn
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deblending PAL?

I have an PAL MPEG2 animation sequence from a DVD that is telecined with the dreaded blending technique. On a CRT TV is more or less tolerable, but on anything else it's horrid. It is clearly an old analog transfer, but, otherwise, I don't know if it is a direct 24p to 50i conversion or if it was converted to NTSC pulldown before it made it to PAL.

It's not really important, but I would like to try to deblend it back to 24fps, and see how the process works.

What would be the recommended approach?
Thanks in advance.
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Old 7th January 2019, 15:56   #2  |  Link
ChaosKing
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Try Srestore(), it was made for exactly this kinds problems.
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Old 8th January 2019, 08:49   #3  |  Link
manono
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Quote:
Originally Posted by radorn View Post
I have an PAL MPEG2 animation sequence from a DVD that is telecined...
PAL doesn't telecine, especially if blended fields are used to change the framerate from the source.

As ChaosKing mentioned, Srestore is usually the filter of choice for field-blended garbage. To be sure, though, we'd need a sample from the source MPEG-2. No reencoding, no YouTube nonsense. An untouched 10-second sample with steady movement cut using DGIndex or something else. If you're not sure how to do it, ask.
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Old 8th January 2019, 19:32   #4  |  Link
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Quote:
Originally Posted by radorn View Post
I have an PAL MPEG2 animation sequence from a DVD that is telecined with the dreaded blending technique. On a CRT TV is more or less tolerable, but on anything else it's horrid. It is clearly an old analog transfer, but, otherwise, I don't know if it is a direct 24p to 50i conversion or if it was converted to NTSC pulldown before it made it to PAL.

It's not really important, but I would like to try to deblend it back to 24fps, and see how the process works.

What would be the recommended approach?
Thanks in advance.
AnimeIVTC
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Old 9th January 2019, 13:03   #5  |  Link
radorn
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I'll take a look at these and see if I can figure it out.
I fiddled with AviSynth and VirtualDub ages ago. Nothing too deep, though.
Last time there was only one AviSynth, but, since then, it seems there are now a few branches. Which is the recommended one. I'm under 64bit Windows7.
Also VDub has been discontinued and there's this new VirtualDub2. Is that good?

Last edited by radorn; 9th January 2019 at 13:42.
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Old 9th January 2019, 19:57   #6  |  Link
manono
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VDub2 is good, yes. Use 32 bit everything for greatest compatibility. Use plain vanilla AviSynth to begin with.

If it's really field-blended needing a combination of bobber and SRestore, then AviSynth is the only app that can do the job. A sample will tell the tale.
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