Multicam Waveform Missing : Dependent on track mute

Question

There have been many threads on this topic, but I have not seem my exact situation written about.

I am working on a large Premiere Production with 50+ days of multicam (MC) shoots. We are syncing the footage using multicam clips. Sometimes we will have two separate sound recorders so track1 & track2 of the source MC sequence will have separate audio files that we to be able to edit with.

I find that often when the multicam clip is created and inserted in the timeline the waveforms are missing. By entering the MC source sequence and muting all the tracks except for audio track1 the waveform will appear instantly. (But of course then one of the nessecary tracks is muted).

I have tried "Render Audio", "Generate Waveforms" toggling between multicam view and composite video in the program monitor, "Modify > Audio Channels", and adjusting the number of mix channels in the MC Source multi-channel sequence . All to no avail.

To make matters more confusing, at times I am able to get the correct behavior where the waveforms appear as two distinct mono tracks for the multicam clip. This however, seem unpredictable to me. Anyone else experiencing this confusing behavior?

Thank you for your assistance.

See exmaple behavior in screenshots below:

fig1. MC Source Sequence with active audio un-muted

fig2 . Result with nested MC clip:

fig3. Once track 2 is muted in MC source sequence:

fig4. Audio waveforms instantly appear in nested MC clip. But now we can't hear track2 audio

fig 5. These were the settings when creating the MC clips:

System Details:
adobe premiere 24.4.1 (Build 2)

Using a Premiere Production

Mac OS Sonoma 14.5

Mac Studio M2 Max

64 GB Ram

All audio files are mono .wav files

Footage is Quicktime Prores Proxy

dg15241885 · Accepted Answer

After weeks of confusion, I think I just found my own answer minyutes after posting.

In the track mixer panel for the Multicamera source sequence the pan knob for channel two was centered. When I turned it all the way to the right, the waveforms appeared in the nested clip. I guess the pan was bleading between chan1 & 2 and so Premiere had difficulty drawing the waveform as it would be attenuated.

I still have no idea why the pan knob on track 2 would be centered where all the others were panned L & R (see fig6). I saw this error across multiple days of footage, so im disinccliend to believe that I mistakenly turned the knob. Maybe could be a bug?

See example pictures below:

fig6. track mixer before.

fig 7. track mixer after

fig 8. nested MC clip now demonstrating correct behavior.

R Neil Haugen · Answer

Just for potentially adding useful data (don't know what is needed when first starting troubleshooting of course) ... what are your Audio preferences set to ... use file, stereo, mono, what? Just trying to get as much data on this posted as possible.

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