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speed changes on Canon 5D 1920x1080 24p footage, using FCP7

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Kyle Schneider
speed changes on Canon 5D 1920x1080 24p footage, using FCP7
on Jan 22, 2015 at 8:10:14 pm

Hello all,
So, I have 1920x1080 24p footage from a Canon 5D that I've converted to Apple ProRes 422. I'm trying to speed it up in FCP7, but it never comes out clean. If I mark "frame blending" it makes it look soft & a little blurry, like there's multiple images overlapping, and If I don't mark "frame blending" it's glitchy and choppy. I don't have this issue with any other footage.
Is there a secret or better technique for speeding up this footage? Or does the 23.98 frame rate just have issues with speed changes? Gopro 23.98 footage has no problem with speed changes.

I appreciate any info, thanks so much!


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Dave LaRonde
Re: speed changes on Canon 5D 1920x1080 24p footage, using FCP7
on Jan 24, 2015 at 3:41:49 pm

Duplicate the clip. Use Cinema Tools to change the frame rate. You conform the clip to a new frame rate.

How much? That depends on the frame rate of your FCP edit timeline. The clip's new frame rate should be an integer multiple of the timeline frame rate. E.G. if the timeline is 29.97, 59.94 would be okay. It would be 2.5 times faster than the original.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Kyle Schneider
Re: speed changes on Canon 5D 1920x1080 24p footage, using FCP7
on Jan 26, 2015 at 7:39:03 am

Okay, cool, that makes sense. So doubling the speed would put the frame rate at 47.96.
But, say I'd want to speed a regular %100 clip up to %150. Would I just change the frame rate to 35.97? Or If I sped it up %30, would the frame rate be 31.174? Are all those frame rates stable?

Thanks SO much for your help,
Kyle


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Dave LaRonde
Re: speed changes on Canon 5D 1920x1080 24p footage, using FCP7
on Jan 26, 2015 at 8:51:40 pm
Last Edited By Dave LaRonde on Jan 26, 2015 at 8:56:32 pm

The problem with 150%: the motion of the clip wouldn't be consistent as you play it back on the timeline. It might look a little jerky. The same thing applies to conforming a 23.976 clip to 47.952 because it isn't an integer multiple of the TIMELINE'S frame rate.

By now you should probably know that 23.98 is just a nickname for the REAL frame rate, 23.976.

But hey: you might like the way it looks. Check it out on a clip and see what you think.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Kyle Schneider
Re: speed changes on Canon 5D 1920x1080 24p footage, using FCP7
on Feb 19, 2015 at 5:08:35 pm

Okay, I'm confused. I have a couple more questions -Your help is invaluable!

You said: "The same thing applies to conforming a 23.976 clip to 47.952 because it isn't an integer multiple of the TIMELINE'S frame rate."

-So what is the timelines frame rate? Is it 23.976, 23.98, or 24?


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Dave LaRonde
Re: speed changes on Canon 5D 1920x1080 24p footage, using FCP7
on Feb 19, 2015 at 7:27:26 pm

Good question what the frame rate of the edit timeline is -- I don't think you've stated what it is yet. That would be the determining factor.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Kyle Schneider
Re: speed changes on Canon 5D 1920x1080 24p footage, using FCP7
on Feb 19, 2015 at 9:34:22 pm

The footage is 23.98 and the timeline is also 23.98


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