Frame rate and workflow

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lilleshall Author

Level 1

4 points

Frame rate and workflow

I filmed a load of holiday footage on an iPhone in 60fps.

I created a project in FCPX in 24fps so that I’m able to slow parts down.

The problem is, the playback during editing is unreliable.

Frames are dropping, and it looks a mess.

I’m constantly having to export segments to see how they look, and it’s taking me forever.

The original content was about 8 hours, and I now have 42 minutes on the timeline.

I normally shoot in 30fps, and edit from within a 30fps timeline without any problem.

SETTINGS:

FCPX 10.4.6

Better performance

Optimised/original

MAC SPECS

10.13.6

27inch late 2013

3.2 GHz intel core i5

32GB 1600 MHz DDR3

NVIDIA GeForce GT 755M 1024 MB

1TB Solid state drive.

Am I doing something wrong?

Thanks

iMac, OS X 10.11

Posted on Oct 4, 2022 6:59 AM

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Answer 1

Top-ranking reply

Luis Sequeira1

Level 9

67,480 points

Oct 4, 2022 7:12 AM in response to lilleshall

You could try making proxies, as it seems that your mac has trouble handling that media.

Make proxies for just a few clips, and change the settings to "Proxy Preferred" in the little menu at the top right of the Viewer.

This way you can easily compare how your mac handles proxy vs original media. If proxy helps, make proxies for the rest.

When ready to export, change back to Optimized/Original.

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Answer 2

Tom Wolsky

Level 10

151,995 points

Oct 4, 2022 7:06 AM in response to lilleshall

Please give the complete specs of the iPhone media. Recent iPhone media may not work at all well on older systems.

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Answer 3

lilleshall Author

Level 1

4 points

Oct 4, 2022 7:11 AM in response to Tom Wolsky

iPhone 13 pro max, Software version 15.5

4K, at 60fps high efficiency. no HDR.

I use this phone and Mac with FCP a lot, but only ran into problems when using a 24fps project with 60fps footage.

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Answer 4

lilleshall Author

Level 1

4 points

Oct 4, 2022 7:22 AM in response to Luis Sequeira1

Thank you, I'll try that now.

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Answer 5

lilleshall Author

Level 1

4 points

Oct 4, 2022 8:00 AM in response to Luis Sequeira1

Your suggestions works perfectly, thank you very much.

I wish I'd asked this question earlier.

I've spent the last month suffering with this problem :)

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Answer 6

Tom Wolsky

Level 10

151,995 points

Oct 4, 2022 8:08 AM in response to lilleshall

Open a clip in the QuickTime Player and post a screenshot of the Inspector video with all the details.

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Frame rate and workflow

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