Them's NTSC standard framerates!
Actually, NTSC IVT 3:2 pulldown
(30,000/1,001) --> (24,000/1,001)
Standard Blu-ray (Region A) frame rate.
DVD (Region 1) frame rate is 30k/1k1
some manufacturer's just round up to 24p(rogressive) (games do that often, video codecs, etc).
WHICH I think is misleading, as there happens to be an actual CONSTANT frame rate of exactly 24fps.
Now at any given time, blu-ray movies can have variable frame rate, usually in action scenes.
If you ever downloaded a crap converted movie from blu-ray to avi/mkv and notice that when the character walks across the screen goes to move his/her arms, you may notice that the motion looks like cheap shyte with poor television quality.
This is because the movie was converted using a Variable Frame Rate.
Which is bad.
They should've used advanced settings to keep it as a Constant Frame Rate.
Or use AviSynth and add the command:
Code:
AssumeFPS(24000,1001)
(Assume is much more compliant and friendly than other modes, as it only takes frames (the InVerse Telecine mentioned earlier...) rather than converting the frames (including the alternating frames)

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