
Originally Posted by
Khaver
It's called conforming. If your project's final format will be 24p, for the best editing workflow you should get all your footage to a single 24p intermediate format. That means removing pulldown on the 24pf and converting the 60i to 24p slo-mo before editing. Be sure the intermediates are loss-less (Huffyuv, UT, etc.) or near loss-less (Cineform, etc.).
If your project will be 60i, you should be able to mix the 24pf and 60i footage without an intermediate. Just be aware the 24pf footage will look different than the 60i footage.