I believe I have something similar going on too. I have two dif video files I'm working with--one is archival (the brain footage) and so it's an older film with a different setting? The other is iPhone footage 4K and it will also "jump up" in the frame when I'm editing. Newbie here but wondering if it's the same thing. I've imported both into my media folder in Premiere but haven't checked the framerate. How would I do that once I've imported or do I need to reimport? Thanks!
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