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Slowmo w/ 1080-60i footage shot w/ HVX-200

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Aza AllenSlowmo w/ 1080-60i footage shot w/ HVX-200
by on Oct 25, 2012 at 4:09:57 am

I made a huge mistake in my camera, now I have to fix it...

I thought that if I shot 1080i-60i on my camera, all i had to do was slow it down to 24fps and everything would be fine... it's not...

SOOO... what's the best way to slow my 60i footage down to 24p? (It is going to a 720 24P timeline, if that helps me any)

I Have AE CS5, Magic Bullet Instant HD (If that helps)...

Let me know if any other plugins might help, but if there's a way without, please let me know!!

Thanks All!

My portfolio can be seen at http://www.ruesterprod.com
My personal website is http://www.azaallen.com


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Andrey SibiryakovRe: Slowmo w/ 1080-60i footage shot w/ HVX-200
by on Oct 25, 2012 at 7:15:17 am

I think, you can use this article as an advice.

http://www.biscardicreative.com/blog/2011/09/1080i-60-is-not-60fps-repeat-a...

"(But if you are feeling frisky, you actually can edit true 60i footage in a 60-frame timeline, you just need to artificially interpolate the remaining field so that each field’s missing half is filled in to become a full frame. Premiere Pro does this beautifully, by the way."

I would do so if were you.

Also, try Twixtor, this plug requires some conditions to be met, but works great.


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Andrey SibiryakovRe: Slowmo w/ 1080-60i footage shot w/ HVX-200
by on Oct 25, 2012 at 7:21:52 am

And about converting to 24p:
are you thinking about exporting the vid to sequence, and gathering afterwards in a new fps?

Yes, this will work.


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Aza AllenRe: Slowmo w/ 1080-60i footage shot w/ HVX-200
by on Oct 25, 2012 at 8:23:38 pm

Thanks Andrey,

I am aware of what that article is saying... I was just an idiot trying to think quickly on my feet, and ended up shooting myself in the foot, haha...

You mentioned that Premiere can do the interpolation of the frames? How do I do that?

...and then if I get Premiere to do that, and I have my 60fps sequence, would I then just nest that 60fps sequence in a 24fps sequence? Or are you saying I need to export the 60fps as a separate video and then bring that back into Premiere (or After Effects) and then slow it down?

Thanks sooo much!!

My portfolio can be seen at http://www.ruesterprod.com
My personal website is http://www.azaallen.com


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Dave LaRondeRe: Slowmo w/ 1080-60i footage shot w/ HVX-200
by on Oct 29, 2012 at 4:20:17 pm

1060 60i....
If you can create 60 p images, you could then conform to 23.976 and have your slo-mo. Can you do that?

And know for future reference that you can shoot at 60p at 720. Then conforming is a no-brainer.

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


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Aza AllenRe: Slowmo w/ 1080-60i footage shot w/ HVX-200
by on Oct 30, 2012 at 6:33:44 am

That's what I was trying to get to.... how do I get 60p from 60i? Is what Andrey saying true, that Premiere (or even After Effects) can Interpolate the 60i footage into 60p?

My portfolio can be seen at http://www.ruesterprod.com
My personal website is http://www.azaallen.com


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Dave LaRondeRe: Slowmo w/ 1080-60i footage shot w/ HVX-200
by on Oct 30, 2012 at 1:44:08 pm

Here's the problem: at 60i, you have FIELDS, not FRAMES.

A frame is a complete snapshot taken in time of a moving image. Both sets of TV scan lines are in the image, and they're both taken at the same instant.

A field is just half of a frame. It contains only half of the frame's vertical resolution. The camera scans one field & records it, then it scans the other field & records it. Thus, the two fields from the frame are slightly offset in time. They're not from the same identical moment. You see differences in motion.

Thus, you need to rectify this. You can do this with frame rate conversion software, such as that sold by Magic Bullet. Or you can simply ignore the fact that half the vertical resolution of the image is missing and treat it as a frame. It doesn't look all that bad.

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


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