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Selur's Little Message Board
[HELP] Pal SD 25i to 50i Bob to 23.98 conform? - Printable Version

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+--- Thread: [HELP] Pal SD 25i to 50i Bob to 23.98 conform? (/thread-2885.html)

Pal SD 25i to 50i Bob to 23.98 conform? - Miranda - 26.09.2022

Is it possible to go from PAL SD 25i to QTGMC 50i (bob) then sRestore back to 25fps, then slow down to a 23.976 conform?

I'm working on upscaling some old film footage that was transferred to video at 25fps. I need to deinterlace, then upscale and revert back to its original 24fps film speed.

RE: Pal SD 25i to 50i Bob to 23.98 conform? - Selur - 26.09.2022

Quote:Is it possible to go from PAL SD 25i to QTGMC 50i (bob) then sRestore back to 25fps, then slow down to a 23.976 conform?
Yes, you can do that, but note that this way you will have to also adjust the audio speed since the last step will change the sync.

First, I would try to Bob and then sRestore to 23.976. (since this way playback length doesn't change and thus audio can stay as it is)

Cu Selur

RE: Pal SD 25i to 50i Bob to 23.98 conform? - Miranda - 26.09.2022

I need the output file to be conformed to 23.976, so it plays back approx 4% slower.

RE: Pal SD 25i to 50i Bob to 23.98 conform? - Selur - 26.09.2022

If you are sure that the way to get it to PAL was a speedUp that is fine, but there are tons of ugly ways to do normconversions.
see: http://www.mediafire.com/file/ndfhri61f5tm120/Exotic+Interlacing%28English%29.pdf

Cu Selur