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Dealing with slow motion footage in a 1920x1080 sequence

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Enrico Lappano
Dealing with slow motion footage in a 1920x1080 sequence
on Mar 6, 2011 at 11:41:32 pm

On a 30p ProRes 1920x1080 sequence, what should I do with 7D slow motion ProRes footage that is 1280x1080? For highest quality after conforming it to 29.97 in Cinema Tools, should I leave it at 150% or up scale it to 1920x1080 for the edit? What is the best workflow?

Any help is much appreciated.


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Jason Brown
Re: Dealing with slow motion footage in a 1920x1080 sequence
on Mar 7, 2011 at 1:24:46 am

I'm guessing u mean 1280x720, not 1280x1080?

I can't help much with ur workflow, I just wanted to add in a tidbit of information. The 7d shoots at 720 60p not as "slow motion" but as a format. You can interpret it into slow mo, but 1280x720 at 60 fps is a broadcast format.


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Enrico Lappano
Re: Dealing with slow motion footage in a 1920x1080 sequence
on Mar 7, 2011 at 2:47:23 am

Thanks for the tip and reminder Jason. Sorry, I meant to say 1280x720.

The 7D 60p footage happens to fit great as slo mo in this 30p sequence. Wondering if anyone has suggestions about a good workflow alongside 1920x1080 7D material?


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Daniel Frome
Re: Dealing with slow motion footage in a 1920x1080 sequence
on Mar 7, 2011 at 2:35:01 am

You're correct. Just place the 720 60p (which you've now conformed to 29.97) into your 1920x1080 timeline and scale it up. That's the correct move.


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Enrico Lappano
Re: Dealing with slow motion footage in a 1920x1080 sequence
on Mar 7, 2011 at 3:00:11 am

Thank you Daniel.

Could it make any appreciable difference in quality if I change the scale in Compressor or go up to 150% directly in FCP?


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Rafael Amador
Re: Dealing with slow motion footage in a 1920x1080 sequence
on Mar 7, 2011 at 10:37:28 am

[Enrico Lappano] "Could it make any appreciable difference in quality if I change the scale in Compressor or go up to 150% directly in FCP?"
For an up-scaling I would rather go Compressor (Frame Control ON, Best Resize).
If you try in FC, set "Render Motion Effects: BEST".
rafael

http://www.nagavideo.com


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Enrico Lappano
Re: Dealing with slow motion footage in a 1920x1080 sequence
on Mar 8, 2011 at 2:41:52 am

Thanks Rafael. I appreciate the feedback to this question.


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Enrico Lappano
Re: Dealing with slow motion footage in a 1920x1080 sequence
on Mar 8, 2011 at 3:38:54 pm

In general, to get a slow motion effect in FCP using a Canon 7D, is there any difference between filming in 60p 1280x720 and upscaling it to 1920x1080, or filming at 30p 1920x1080 and slowing the footage down?

Which, if either, would give the better final result in a 30p 1920x1080 ProRes sequence?


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Jason Brown
Re: Dealing with slow motion footage in a 1920x1080 sequence
on Mar 8, 2011 at 7:13:10 pm

[Enrico Lappano] "filming in 60p 1280x720"

This gives you more temporal information. Basic NLE software does a pretty good job of interpreting scale...but you it takes really good software (and good source material) to interpret the non-existent information between frames.

You should shoot at 60 frames and scale up...slowing 30p down will just simply play a frame less often...unless you're using a plug-in like twixtor or something (which I've not used).

-Jason


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Rafael Amador
Re: Dealing with slow motion footage in a 1920x1080 sequence
on Mar 9, 2011 at 1:58:03 am

[Enrico Lappano] "In general, to get a slow motion effect in FCP using a Canon 7D, is there any difference between filming in 60p 1280x720 and upscaling it to 1920x1080, or filming at 30p 1920x1080 and slowing the footage down? "
The more images per second you shoot, the best.
To get a good 1080 slow-mow, you go to 720p60 and upscale, or you shoot 1080i60, and you get the 1080p60 from there (FieldsKit).
rafael

http://www.nagavideo.com


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Enrico Lappano
Re: Dealing with slow motion footage in a 1920x1080 sequence
on Mar 9, 2011 at 3:29:59 pm

Thanks for the clarification Rafael.


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