How to synchronize alternate take videos to the original in FCP?

Thanks, Terry.

Since you replied, I spent a while reading a lot of the 1000-page manual, since I'm a newbie.

I definitely agree that Multicam is the way to go, so that I can cut-and-switch between "angles", even though the angles were taken on completely separate days and the camera audio will just be that of the solo musician.

What remains, though, is the main problem of how to sync all the videos. In Logic, I do have all the separate tracks of each recording session. Those Logic tracks would probably match the audio on the individual video clips; at least the live video clips, not the lip-syncs. So to use this fact to take advantage of the audio-sync feature in FCP, I'd have to be able to:

1) import into FCP not only the final audio master from Logic Pro, but also all the tracks, and all of them staying in sync with each other (no, they don't all start at Time=0).

2) FCP would have to allow me to sync a video to an audio-only track (which would not be part of the multicam clip).

Are both these things possible?? Or am I stuck just lining up these videos by hand against the master audio track?

Thanks in advance!

Dave

Thanks so much for the help, Ben.

"your close up takes should have been recorded as the musicians "lip synced" to the original recording."

When you say "original recording", what are you referring to? We started with nothing but a metronome :-) Please see: 255469949

What I'm trying to make here is something a lot like some popular music videos:

1) I want a top notch audio mix

2) I want video footage of the actual recording sessions

3) I want to splice in alternative/outdoor/fun video of the players lip-syncing.

For (1), Logic's Flex Pitch and Flex Time proved invaluable to cleaning up some imperfections in the performances, resulting in a master track that sounds pretty awesome.

For (3), I see your point. But I would have had to invite all the players back in at a later date to do the lip-sync video (without headphones) on top of the final mix, after the latter was completed. Then the video's audio would match the master mix, and FCP would nicely line them all up.

But I'm still not seeing your solution to (2): how to sync actual recording session video to the rest of the multicam.

I'm going to try @terryb's idea here 255469949band see if I can figure it out that way 😅 ......

Terry, thanks for the reply.

"Please explain in detail what was recorded. Did everyone perform against the Logic Pro master audio track?"

No, the master track is the PRODUCT of everyone's recording. I started with nothing but a metronome and recorded the guitar rhythm track. Then the bass player listened to that recording in his ears and recorded the bass track. Then the percussion, then vocals, then sax, then piano. All the recordings were done using mics; nothing "direct".

So at each recording session, the video camera will only hear and record the one instrument playing. So I don't expect any of the videos to be able to sync to the final mix, with all the other players mixed in.

Tom, thanks so much for the reply.

"The audio only track should also be part of the multicam".

Makes sense that any audio I need to sync the clips to need to be part of the multicam clip. But I think the only audio that will automatically sync to the videos will be the individual tracks stems, not the final mix, since the videos only "heard" one player at a time. That's why I asked if there was a way to import all the Logic Pro tracks in a way that preserves their sync to each other...

"Have you tried to sync? It probably won't work, but it's worth a simple test."

Okay, so...

Wow, this is cool!

Wow, this is complicated!

But this just in... the audio waveform sync technology appears to be actually able to match the raw audio from the solo video performance against the final mix coming from Logic Pro. So it must effectively be doing a stem separation of the Logic Pro track and matching the video to one of those stems. The video alignment is pretty much perfect.

I haven't tried this with all the players yet, but this is a good sign. I'm amazed. This will save a ton of effort by not requiring me to pull all the stems from Logic Pro into FCP.

Of course, this won't help with my OP about how to sync the lip-sync videos; waveform matching will be useless there. I might just have to use the "Sync to Monitoring Angle" feature and line up the video of the players striking that first note in the studio vs. lip-sync videos.

But this was a big night for this newbie. Got my hands dirty with Multicam, set up my Angles, played around with Monitoring video/audio, and of course, sync.

I'm gonna say I jumped into the deep end for my first FCP project 😅. I still have to learn the basics, like transitions, titles, PiP.....