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720p60 Speed Ramp? Math?
When working with overcranked footage In Premiere Pro, I understand you have to Interpret footage to your editing frame rate, in this case 23.976, which will give me clean sloMo. This part I get, no problems there, do it all the time, but if I want to speed up that footage, to what percentage do I need to speed that back up to make that now conformed sloMo footage, play at normal speed?
I have it eye balled and it looks natural, but is there an actual formula or something to figure this out? Like if I’m editing at 23.976 it would be percentage and if I was editing at 29.97 it would be another. Or if I have 120fps footage, see what I mean.
I have the conformed clip sped up to about 250%, then ramps down to 100% over about 8 frames, giving me a super clean ramp and great look to the conformed sloMo speed from 60p footage.
What should the actual sped up percentage be? I like to be precise vs. just eyeballing things. Anyone know the actual math?
OSX 10.7.5 with a 3.39 Ghz Intel Core i7 on a built up Hackintosh
16 GB of RAM with OSX on SSD, (2) internal HDDs RAID’d 1 for project files and External RAID 5 for all project assets (media, GFX, stills, etc.)
BMD Decklink Studio 2, FSI BM210, KRK Rokit 5s, Mackie 802 -
1 Reply
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I guess another question would be if you speed up that conformed 24p footage, will that playback cleanly? Meaning, think of shooting in 24p and slowing that down, which I don’t like to do because your then creating new frames, giving a crappy sloMo look. But whats the opposite of that for this scenario?What is Premiere actually doing to the footage. Is it throwing frames away to speed up the footage? Will body motion look ok?
OSX 10.7.5 with a 3.39 Ghz Intel Core i7 on a built up Hackintosh
16 GB of RAM with OSX on SSD, (2) internal HDDs RAID’d 1 for project files and External RAID 5 for all project assets (media, GFX, stills, etc.)
BMD Decklink Studio 2, FSI BM210, KRK Rokit 5s, Mackie 802
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