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I've been asked to upscale a movie for Blu-ray which was originally transfered from 16mm film to PAL digibeta, and was then converted to NTSC for its American DVD release. The original master is now lost, so I am working from a DVD rip. However, I can't seem to work out the correct way to de-interlace - it is showing up differently as either telecine, 23.976 interlace or 29.97 progressive in different software. Can anyone help work out the correct way to de-interlace to 23.976?
Link to sample clip
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18.12.2022, 14:40
(This post was last modified: 18.12.2022, 14:45 by Selur.)
Looks telecined to me, so (T/V)IVTC would be what I would use to get to 23.976.
If it was interlaced, bobbing it would show ne repeated frames.
If it was progressive, looking at it would show now combing artifacts.
If it was field shifted, applying field matching would show no repeated frames.
Looking at the pattern of repeated fields/frames it looks telecined to me.
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I tried TIVTC, but every 23rd frame is duplicated (23 and 24 are the same). It's very strange.
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Try what happens if you set TIVTC Settings->TDecimate->Mode to 7.
Cu Selur
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Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.
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Just tried that, I'm still seing duplicate frames, and also the movement looks a bit jerky where it seems frames are being dropped.
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Okay, didn't see duplicate frames on the sample I got.
You can also try using QTGMC + sRestore to get to 23.976fps, maybe that works better.
Cu Selur
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Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.
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I already tried that too. Hmm...
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If you can find a fixed pattern after deinterlacing/bobbing you could also use SelectEvery to get only the progressive frames. For example using cycle = 3 and offsets 0 2, would just returns frame 0+x and 2+x of every (x) group of 3 frames.
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Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.
Posts: 462
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Joined: Jul 2020
Handbrake seems to do it perfectly with Detelecine on and Frame rate set to 23.976. What is the equivalent setting in Hybrid?
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deteleince should be the same as v/tivtc
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Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.
