How to create a stop-motion effect - suggestions?

philRmonic wrote on 5/31/2010, 3:37 AM
Normally the choppy motion in the preview window is an annoyance, but in the little video I'm doing it is actually quite a cool effect! I've been scratching my head trying to work out how I might replicate the 3-4 fps effect in a rendered video and so far come up blank! Anyone got any ideas how I might achieve this? Thanks guys.

Comments

Chienworks wrote on 5/31/2010, 3:46 AM
(Usual disclaimer ...) not sure if the Studio version has this, but right-mouse-button click on the clip, choose properties, and look for "undersample rate". Set this to 0.1 to get 3fps out of a 30fps clip, or 0.16 to get 4fps out of a 25fps clip, or whatever math suits you.

Another possibility if the undersampe rate isn't available is to Ctrl-squish the clip to 1/4 it's original length, disable resampling, render to a new clip, bring this new clip into the timeline, disable resampling, and Ctrl-stretch it back to the original length. You'll now have only 1/4 of the original frames so it will run at 7.5fps (if the original was 30). If you were to do the squishing twice then stretching twice* it would end up about 1.875fps. If you did the first squish to 1/4 and the second to 1/2 you'd get 3.75fps.

* Make sure you do squish squish stretch stretch, not squish stretch squish stretch, which would merely make an unholy mess!
philRmonic wrote on 5/31/2010, 7:12 AM
Mmmm. Interesting ideas! I'll check them both out but I like the sound of the "squishy-stretchy" technique! :) Thanks!