Daniel,
From looking at your timeline I’m guessing that each of your 2 camera clips has 4 channels of audio, for a total of 8 channels, and you are not using “double system” recorders for audio. If my assumption is correct then the following should help you.
When creating a multicam source in Ppro a dialogue box comes up taking you through various options. In the middle of that box you get to the audio section and the crucial thing here is the “Sequence Settings.” There are 3 options here, “Camera 1”, “All Cameras”, and “Switch Audio.” Looking at your timeline it’s obvious (to me) that you chose “Camera 1” which is the worst possible choice for what you want to do. “Camera 1” only uses the audio from the first camera of your multicam source or the audio from a double-system audio recorder if one was used. Which is why all but the first 2 channels are muted in your multicam timeline. Camera 1 is perfect if only one camera is recording sound or if you are going with a separate audio recorder but is terrible for what you are trying to do.
All Cameras gives you all of the audio, in your case 8 channels, recorded onto 8 separate audio tracks in your timeline. If you want to work with all 8 tracks of audio all the time, this is the choice for you.
Switch Audio allows you to chose which of the original 8 tracks you want to hear recorded onto 4 tracks in your final timeline. That means that in your final timeline there will be audio sent to tracks 1-4 but you chose which of your two cameras those 4 tracks come from. And once edited into your timeline it is as simple to switch the audio between the two cameras as it is to switch the video.
Once a multicam timeline is made you cannot switch between these modes, so I would suggest you make a few sample mulitcam sources each of “All Cameras” and “Switch Audio” to determine which will work best for you.
Good luck.
Herb Sevush
Zebra Productions
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