Multicam Clips 'slipping' out of sync

Question

I have a bunch of interviews shot with 3 cameras.

I synched them, nested the video, then enabled multicamera.

(Which by the way seems a strange and convoluted process)

Deep into the editing, I wanted to apply LUTs to the underlying source clips but after doing so, the audio of my multicam clips seemed fine but the video had slipped.

Am I doing something deeply stupid? Like what is the actual hierachy of nested clips and can you make any changes once they are nested without risking the integrity of your top level edits?

any help appreciated.

Alternatively -- is there a simple 'flattening' workflow to commit the edits to their source clips?

I kind of want to make sure that I can at least 'lock in' the edits I've done so far, without risking throwing the whole thing into disarray.

thanks

John

R Neil Haugen · Answer

First, Premiere's multicam process is pretty slick. Select the clips in the bin, right-click/create multicam, boom ... done. Sounds like you did this manually, which ... ok at times is needed, but mostly ... waste of your time.

Timeline stuff is stored in that sequence metadata. It isn't "Source" data. You can probably use the right-click/Flatten on the sequence to drop that sequence to a single track though.

And if you take say a section of all the original clips to a new timeline, just one segment each, you can do your color matching there. Copy each clip's Lumetri instance from the Effects Control panel.

Then paste that to the clip in the bin.

Do that for all of them, then delete that color matching sequence, it's done.

And you have pasted a "Source Effect" which will appear on all instances of any part of the clips anywhere in the project.

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