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HPX-500 accidentally shot 720p/60 at 24 fps

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Burt Holland
HPX-500 accidentally shot 720p/60 at 24 fps
on Sep 23, 2008 at 3:09:48 pm

I screwed up and changed my compressor setting to 720p/60 but forgot to change the frame rate from 24. So when I bring my footage in to FCP, there are 60 frames in every shot in the viewer, but if I let the video set the frame rate of the composition, it sets it at 24.

I am playing with different ways to get this to look right, just wondering if anyone else has done this and come up with a workflow in FCP that worked out.

Burt Holland
Encyclomedia

Panasonic HPX-500
JVC HD-200
FCP 6.0
DecklinkHD Extreme
Kona LH



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Adam Smith
Re: HPX-500 accidentally shot 720p/60 at 24 fps
on Sep 23, 2008 at 4:31:20 pm

Not sure from your description what exactly happened on the shoot...

Did you shoot 24p (over 60) so it has the look of 24p but with pulldown to fill out the standard 720p60 signal?

Or did you intend to shoot 60p but the variable frame rate was set to 24 and you wound up with slow motion footage? Do you have audio?



- - -
Video Photographer / Avid & Final Cut Editor


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Burt Holland
Re: HPX-500 accidentally shot 720p/60 at 24 fps
on Sep 23, 2008 at 4:50:26 pm

"Did you shoot 24p (over 60) so it has the look of 24p but with pulldown to fill out the standard 720p60 signal? " -Yes

I had "Record Format" set on 720P/60P and "Frame Rate" set on 24FRAME. Just looks a little blurry.



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Adam Smith
Re: HPX-500 accidentally shot 720p/60 at 24 fps
on Sep 23, 2008 at 5:15:06 pm

Ok - if you had the Recording Format set to 720p60 but Frame Rate changed from Default to 24, then you've shot overcranked and your footage is 250% slow motion, correct? It was recorded at 60fps but is being played back at 24fps. Can you confirm that there's no audio?

Try running the footage through Compressor and outputting as a DVCProHD 60p movie. You've got all the frames there, it just needs to know to play them back at 60 instead of 24. I'm not sure if the Panasonic Frame Rate Converter would do the same thing.


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Video Photographer / Avid & Final Cut Editor


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Burt Holland
Re: HPX-500 accidentally shot 720p/60 at 24 fps
on Sep 23, 2008 at 6:06:40 pm

It's not playing back overcranked. Audio sounds normal, speed is normal. I don't know whether its adding frames in the viewer, or subtracting frames in the composition. I'll try running it through compressor.



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Adam Smith
Re: HPX-500 accidentally shot 720p/60 at 24 fps
on Sep 23, 2008 at 6:35:40 pm


[Burt Holland] "It's not playing back overcranked. Audio sounds normal, speed is normal. I don't know whether its adding frames in the viewer, or subtracting frames in the composition. I'll try running it through compressor."

Sorry, I guess I'm confused. What is the problem you're trying to correct again?

You wanted 60p footage but seem to have shot it in 24p? If so, are you working in a 720p60 project with sequence and AJA output set to match?

Do you have any way to view the MXF files in quicktime, frame by frame just to see exactly what you have without FCP's help?

- - -
Video Photographer / Avid & Final Cut Editor


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Burt Holland
Re: HPX-500 accidentally shot 720p/60 at 24 fps
on Sep 23, 2008 at 6:54:29 pm

"Sorry, I guess I'm confused. What is the problem you're trying to correct again?
You wanted 60p footage but seem to have shot it in 24p? If so, are you working in a 720p60 project with sequence and AJA output set to match? "


I'm trying to get this footage looking it's best. Right now whether I set the composition to 24 or 60 fps the image is losing crispness. I'm figuring that's because of either not having enough frames for the 60fps, or having too many for the 24fps.


"Do you have any way to view the MXF files in quicktime, frame by frame just to see exactly what you have without FCP's help?"

How could I do this?



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Adam Smith
Re: HPX-500 accidentally shot 720p/60 at 24 fps
on Sep 23, 2008 at 8:05:52 pm

Ahh.. I'm not sure what you mean by 'crispness'.

The number of frames per second would not affect any sharpness or quality of image, only smoothness of motion... and depending on camera settings, possibly motion blur.

How are you viewing the footage?

- - -
Video Photographer / Avid & Final Cut Editor


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Matthew Romanis
Re: HPX-500 accidentally shot 720p/60 at 24 fps
on Sep 23, 2008 at 10:27:16 pm

What are your real time settings in FCP?
By crispness do you mean sharp?
Does the footage need rendering of any kind when played back on the time line, what colour is the real time indicator line above the video tracks?
What happens if you force FCP to set a new sequence as 60fps rather than letting it make the settings for you?
Matthew.



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Jeremy Garchow
Re: HPX-500 accidentally shot 720p/60 at 24 fps
on Sep 25, 2008 at 6:08:28 am

Just set your log and transfer prefs to remove the pulldown upon import. You will be left with 24frame files.


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