Tricky frame rate question (1 Viewer)

[Leo Kerr]

A couple nights ago, I spun up SW:AotC in the computer's DVD drive, and played it out to the projector. This, generally, looks better, because the computer does the de-interlace, the video scaling, AND the anamorphic extraction, rather than anamorphic compression that my projector does (thus giving me the most original information possible.)
However, trying to be smart, I set the frame-rate of the display to 72Hz: three times the 24fps original source.
In some of the pans in particular, there was a bit of an odd judder.
Did I outsmart myself, and should I have picked either a 60 or 90Hz option, to keep to a multiple of the 30 frames that the player is de-interlacing from? I didn't have time to experiment with it, and I won't be able to get close to it for another three or four days, either... (sigh.. I'm working too many jobs right now.)
Leo Kerr
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[Jeff Kleist]

actually, progressive films are saved on DVD at 24fps

 

[Bill Slack]

If it's a digital projector, most of them only display 60hz even though they accept other input rates.