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So, in order to remove 3 (oops, 4) dust specks you are willing to completely destroy the image ? No thanks.
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If you look at the split image below at full size, you will see that you've wiped out most of the image texture and a good deal of the saturation. Those are chalk lines, not compression artifacts. What appears to be blocky noise in some of the flatter areas of the original is actually film grain -- which resolves properly as film grain when played in motion. You are starting with a perfectly fine (probably professionally restored) image and wiping out the artistry.
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Why not keep the grain? I think it's quite natural to the video. That encoded version of yours is awful - way too blurry/soft for my liking. And I don't even know what "dots" you're talking about.
If it's only a spot or two, do it manually with an editor. Otherwise, you would need brutal methods to remove them that, most of the time, do more damage than good to the video (unless you want to buy professional software that costs the price of a several vehicles...)
At any rate, if you must remove the grain, try Neat Video. It's not free, but very affordable and you can download a trial version. When you learn how to set up a correct noise profile (watch the online tutorials) you can clean up much noise, including film grain, with minimal detail loss. Personally, I like a little film grain. Looks kind of cinematic. Hope you don't mind that I left some.I hate VHS. I always did. -
There is no "PAL audio" or "NTSC audio". The only thing you have to consider here is that if you change the speed of the video (fps), then you proportionally must change the speed of the audio to remain in sync. Audacity, and other software, can easily do this.
I hate VHS. I always did. -
I've seen your videos now. I agree that the "after" video is over processed. I'd try stepping MCTemporalDenoise() down to medium. That will retain a lot more detail. Of course, there will still be a little noise. You might also want to address the oversharpening halos which have been exacerbated by your processing. You can use something like DeHalo_alpha(rx=2.5, ry=2), or maybe rx=3.
And I also believe those white spots on the roadway between about 1 second and 4 seconds are supposed to be there. At least, they were on the cells used to make the film. You can tell this by the fact that they repeat several times, 8 frames apart. I'd be careful about using RemoveSpots() or RemoveSpotsMC(). For example, there's a shot where you can see a blue wall outside the moving car's window, starting about 27 seconds into the video. Both of those spot removers remove almost all the joint lines and blemishes on the wall, thus reducing the perception of forward motion.Last edited by jagabo; 1st Jun 2014 at 21:11.
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MeGUI has options for audio speedup/slowdown in it's audio encoder configuration. With and without pitch correction. It's possibly best to do it without pitch correction as there's a good chance it was "sped up" to PAL without pitch correction in the first place.
You'll need to use the current version of MeGUI for pitch correction though (or create your own script) as the pitch correction options weren't working properly for a while. According to the changelog that's now been fixed (version 2499 or higher).
https://forum.videohelp.com/threads/363642-Slow-PAL-DVD-AC3-Audio-from-25FPS-to-23-976F...=1#post2319052 -
I don't know of any. It might be possible to modify RemoveSpots() to make it less sensitive -- but then more spots you want to remove will be let through.
You can always filter different parts of the video differently. Then use a filter like ReplaceFramesSimple() to specify which filtered video to use.
Yes, RemoveSpots(MC) removes both black and white spots. They worked very well on that clip. There were a few spots that persisted for more than one frame so they were not removed.