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Help with 60i/24pa slow-mos!
I’ve tried some searching but can’t seem to find the answers I’m looking for and was hoping someone out there might be able to help.
I recently shot some footage of horses in action for a promotional piece on veterinary medicine. I used the DVX-100, set to 24pa for most of the footage. But some of the shots I intended to use as slow-mos… for those, I shot at 30/60i.
My timeline is a 23.976 timeline for output to a 24p DVD and the web. It’s my understanding that if you slow the 30/60i footage down to 40%, you should get crystal clear slow-mos. So here are my questions:
1) Vegas is set to remove the pulldown (so my 24pa footage will fit perfectly on a 24p(23.976) timeline). When I shot the b-roll, the 30/60i footage is mixed intermittently with the 24pa footage. It would take me awhile to go log every specific shot and digitize each one separately. Instead, I’ve just digitized all the b-roll as one long .avi file. Will I run into problems if the 30/60i footage is smack in the middle of a file that contains 24p footage? In other words, if I use the trimmer to select a portion of video that’s 30/60i, will Vegas try to remove the non-existent pulldown in that segment of the footage, and if so, what problems will that cause?
2) It’s my understanding that the crystal clear slow-mos result from each frame of the 24p timeline taking a field from the 40% speed 60i footage and creating an entire frame from that field, thus giving the clean slow-mo. So should my interlace settings for the project be none, blend or interpolate?
Thanks for your time and help!
– Marc