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problems syncing multicam audio
Hi, this is my first time posting to this forum & I apologise in advance for the long-winded explanation of the problem, can’t explain it any other way and have been experimenting for ages with possible solutions….
I’ve recorded in 2 camera angles with 3 different sound inputs and I am having a lot of trouble getting them to sync. I have recorded in a shop, with 1 camera picking up 2 audio tracks of ambient sound + customer voices, then in the other camera just recording the shop keepers voice on a radio mic.
What I want to do now is blend all 3 sounds, so I have the general shop sound, plus more defined voices from both customer & shopkeeper.
I used the multiclip technique to sync them initially, which is my first time using this technique & have found that you can only seem to choose to listen to/cut between 1 audio input or the other (not listen to or blend all three).
What I’m now doing is pulling the multiclip track with 2 audio’s (ambient & customer voice) onto the timeline, then bring the single audio of the radio mic down to try to sync them manually. In theory this should work, & I have synced it to the best of my ability but it seems like it’s out by a fraction of a frame (if I move it one frame + or – it’s totally out) so now I’m getting a wierd reverb/echo from the combination of the 3 tracks. It’s really frustrating!Has anyone else had a similar problem or can suggest a solution? Thank you in advance.
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2 Replies
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Differences in mic placement will cause that “reverberation” you are talking about…its normal.
You might want to give this product a try. It works well.
https://www.singularsoftware.com/pluraleyes.html
There is a free 30 day trial.
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± 1 frame between tracks will produce an echo, specially if you pan them l and r. But it should not be totally out as you say. What codec are you working with? Also, do your clips have same tc (as in synced tc during shoot, with reference?)
Without more info it is difficult to help more precisely…
Patrice
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