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Interlacing on 24p Sequences
I captured 24p footage from a canon xl2 onto final cut pro HD. The settings were set for both the timeline and capture presets to 23.98 progressive. The clips play back indevidually with no problems but once they are edited into a sequence some strange interlacing occurs about once every 4 frames, which, on an ntsc monitor, translates to a jumping image. The clips do not need to render so I assume that the settings are the same between the capture presets and the timeline. But when I compare the same frame from the clip side by side with the clip integrated into the sequence, the interlacing only shows up in the sequence. Any suggestions?
Ian
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3 Replies
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First: when was the last time you trashed your preferences?
I found a neat little app called Final Cut Pro Rescue (thank you COW)
that saved my butt recentlySecond: Check for THIRD party setting conflicts IE: Cinewave / Aurora / AJA / BlackMagic
Third: Create a new project and make sure the project has the settings you plan to use
before you import the media. (timeline / scratch disk / etc. )FOUR: DON’T PANIC Perhaps this should have been first.
Welcome to our Digital Dojo
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Are you sure that you don’t have FCP set to insert a 24p pulldown on the fly so that you can view your sequence on an NTSC monitor (which is 60i)?
Ben Insler
Editor
Telemark Films -
With a regular NTSC monitor, FCP has to insert a pulldown to convert from the sequence’s 23.976 framerate to the monitor’s 29.97 framerate. You can choose which pulldown cadence in the System Settings/Playback Control tab, but you can’t avoid it unless you have a high end HD monitor that accepts native HD (720p / 1080i) or at least native 480/24p.
John
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