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Ramping FPS

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Jonathan Reed
Ramping FPS
on Nov 9, 2012 at 2:07:21 am

So I'm shooting a short that needs to have some "slow motion" scenes.
I'm using the T2I and i've put it on the 1080X720 60fps setting.

I've still got the raw H.264 files, but i've transcoded it to Apple Pro Ress keeping the FPS but bumping up the aspect ratio to 1920 X 1080.

I can't seem to get the slow motion thing to work.
I put it into my time line, with my time line at 29.97 FPS and it still runs normal,
Applying the "slow motion by %" works about as well or as fluid as if i just shot in 29.97 FPS anyways.

Anyone know what i'm missing?
Thanks.


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Michael Gissing
Re: Ramping FPS
on Nov 9, 2012 at 2:42:28 am

Open the file in Cinema Tools and change the frame rate from 60 to 29.97. This changes the file metadata so when it is then imported into FCP it will run as slo mo.

As this is a destructive change, you might want to do that to a copy of the file.


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Shane Ross
Re: Ramping FPS
on Nov 9, 2012 at 3:34:39 am

I have a tutorial for that...

http://library.creativecow.net/ross_shane/slow-motion_cinema-tools/1

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Jonathan Reed
Re: Ramping FPS
on Nov 9, 2012 at 5:26:59 am

First off, thank you.
Your tutorial was very well put together and easy to follow.

Is there anyway to push it further?

I've dropped it to 29.97 and to 23.98 but i had to compare it to the original footage to even see a difference.

I grabbed some shots of water spraying out a leak in a hose, we have footage of leaves and some of falling paper and tomorrow, um later today (its midnight) we have shots of a woman playing a cello and we want slow mode close ups of the bow on string.

Is there anyway to push it further?


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Shane Ross
Re: Ramping FPS
on Nov 9, 2012 at 6:07:02 am

[Jonathan Reed] "Is there anyway to push it further?

I've dropped it to 29.97 and to 23.98 but i had to compare it to the original footage to even see a difference."


Well...yeah, of course you won't see a difference. If you want decent slow motion, you need to shoot at least 60fps. Then you get 2.5x slow motion. 30fps to 24fps is barely noticeable.

You might need to look into TWIXTOR. Spendy, but very very good.

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Jonathan Reed
Re: Ramping FPS
on Nov 9, 2012 at 6:12:22 am

i set my T2I to 60fps, then transcoded it to apple pro ress, larger resolution but same fps,
then i followed your instructions and went to 29.97 and then 23.98

As far as i know i can't get my T2I any higher than 60, and can't get 23.98 any lower... so better camera then?

This program? what does it do?


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Shane Ross
Re: Ramping FPS
on Nov 9, 2012 at 6:16:42 am

[Jonathan Reed] "then i followed your instructions and went to 29.97 and then 23.98"

What? You did this in TWO steps? No, I say one step. Bring in the 720p60 footage, conform to 23.98. I didn't say go to 29.97.

[Jonathan Reed] "As far as i know i can't get my T2I any higher than 60, and can't get 23.98 any lower... so better camera then?"

The fastest that camera shoots is 60fps. And the slowest broadcast frame rate is 23.98. FCP and Cinema Tools only do broadcast and film frame rates.

What slower? Get a GoPro, shoot WEVA 120 at 720x480 and that'll be slower. or rent a Phantom camera that shoots up to 50,000 fps.


[Jonathan Reed] "This program? what does it do?"

PLUGIN. It slows down footage further and interprets the in between frames. Google it...watch the demos.

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Jonathan Reed
Re: Ramping FPS
on Nov 9, 2012 at 7:02:44 am

Just for clarification, i dragged and dropped the H.264 files into a folder on my harddrive. My FCP7 Wont log and transfer the SD card for some reason.

Step 2: opened MPEGSTREAM CLIP, transcoded the 1080X720 60fps H.264 to 1920X720 60fps Apple Pro Ress.

Step 3: followed your tutorial, however the rest have been taken from 1920X1080 30FPS H.264 to 1920X1080 29.97FPS Apple Pro Res, so I choose (initially) 29.97 as apposed to 23.98 to make it match up.

Of course to make you more correct, the 23.98 worked a bit better cuz it was a smudge slower, i was just trying to keep the PFS the same.

I am drooling over the GOPRO though, and I'll check out this new program. thanks for the update on that.


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Shane Ross
Re: Ramping FPS
on Nov 9, 2012 at 7:57:15 am

[Jonathan Reed] "Step 2: opened MPEGSTREAM CLIP, transcoded the 1080X720 60fps H.264 to 1920X720 60fps Apple Pro Ress."

What? What are those goofy dimensions? The camera shoot 1920x1080 at 30fps and 24fps. it shoots 1280x720 at 60fps. What you need to do is convert the H.264 to 1280x720 60fps. Take that into Cinema Tools and Conform to 24fps.

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Jonathan Reed
Re: Ramping FPS
on Nov 9, 2012 at 12:36:41 pm

sorry sorry sorry, that was suppose to be 1920 X 1080,
that was a it's its 2am and i'm tired and i wanna go to bed typo


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Dave LaRonde
Re: Ramping FPS
on Nov 9, 2012 at 3:22:19 pm

I hope you got some sleep so you can answer two questions:

1) If you shot at 720p 59.94, what do you hope to gain by converting it to 1080? The only reason to do that would be to meet delivery specifications.

2) How did they create slo-mo in the days when film was king? It's still the best way to create slo-mo today.

Dave LaRonde
Former Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Jonathan Reed
Re: Ramping FPS
on Nov 9, 2012 at 7:00:51 pm

The majority of the footage was shot 1920X1080 30pfs, The footage i knew was going to be slow motion was shot in 1080X720 60fps.

I converted the 1080X720 to 1920X1080 to avoid rendering.

I've also converted the H.264 footage to Apple Pro Ress.

Once i'm done, i'll export back to 1920X1080 H.264 for a lower file size but keeping the quality.

Ah yes, the good old days of Film. Unfortunately, I'm a broke filmmaker/film student using the film schools T3I, so while i'd love to work with Film, i'll have to make due with this.


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Dave LaRonde
Re: Ramping FPS
on Nov 9, 2012 at 7:28:18 pm

It won't be possible to RAMP frame rates to slo-mo without third-party plugins you probably don't have nor as a student can afford.

However, conforming the 59.94 footage is something you can do. In a 23.976 (aka 23.98)project, the motion will be 2.5 times slower than normal.

I'd seriously think about a Plan B to ramping.

Dave LaRonde
Former Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Jonathan Reed
Re: Ramping FPS
on Nov 9, 2012 at 8:54:09 pm

I've got Final Cut Studio 3 with 24 gigs of ram, but i'll use the 23.976, thanks.


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