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Synchronize Clips in FCP X is suddenly not working

I have been using FCP for 13 years and FCP X for the last 3 (currently 10.4.8). I use synchronize clips all the time to link audio from zoom H4n to 4k footage (Sony A7iii) but all of a sudden last week it just stopped working correctly and can't sync anything. I thought it might be my OS so I just upgraded to 10.15.5, but it did not help. Any thoughts?

MacBook Pro 15″, macOS 10.14

Posted on Jun 16, 2020 12:32 PM

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Posted on Jun 17, 2020 4:20 PM

Is the audio 44.1 as well? It might be ok depending on the lengths of the clip s.


You can’t use the sync clip function for what you’re doing. It’s designed to sync one video with one or more audio tracks. You might want to use the multicam clip function to sync the clips. If that doesn’t work for you, and it probably won’t if you’re doing a multiscreen project, unless you have s as really powerful computer to stack all the multicam clips. There might be a way using that function but I can’t test it set the moment. You might have to sync the clips manually in a project.

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Question marked as Top-ranking reply

Jun 17, 2020 4:20 PM in response to malexander07

Is the audio 44.1 as well? It might be ok depending on the lengths of the clip s.


You can’t use the sync clip function for what you’re doing. It’s designed to sync one video with one or more audio tracks. You might want to use the multicam clip function to sync the clips. If that doesn’t work for you, and it probably won’t if you’re doing a multiscreen project, unless you have s as really powerful computer to stack all the multicam clips. There might be a way using that function but I can’t test it set the moment. You might have to sync the clips manually in a project.

Synchronize Clips in FCP X is suddenly not working

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