flatten multicam audio

Question

With our production footage & sound, we recorded sound separately (mapped to multiple mono channels), then made multicam clips and edited using the multicam clips.
Is there a way to flatten the audio portion of the multicam clips so we get the production audio that's mapped to multiple mono channels? (for turnover to a post sound mixer)

PaulMurphy · Accepted Answer

I understand the issues now—thanks for the clarification.

Multicam audio flattening issue:
When audio clips from a multicam sequence become unlinked from their video track, Premiere treats them as standard nested sequences. This prevents them from being flattened properly.
To fix this:
- Go to Edit > Find and set Media Type = Sequence, then click Find All.
- Right-click one of the selected clips in the Timeline and choose Multi-Camera > Enable.
- Then choose Multi-Camera > Flatten.
Best practice for offline audio tracks:
I recommend avoiding the Enable/Disable toggle for audio clips that will be sent to post via AAF/OMF. Disabled clips are excluded from these exports.

Instead, apply a Volume effect preset that mutes the clip (e.g., volume set to -∞ dB). This way, the audio still passes through to your post mixer, but won't be audible in the offline cut.
Re-enabling disabled clips in bulk:
Premiere Pro doesn't currently support searching for disabled clips natively. However, the Dtective plugin lets you locate all disabled clips and quickly re-enable them.

PaulMurphy · Answer

Is the production audio included in the multicam sequence but muted?

You can check by right-clicking the multicam clip in the Project panel and selecting Open in Timeline. This lets you see if the original production audio is inside but currently muted.

If the audio is present but muted:

Disable the Nest button (located under the timecode display in the Timeline panel).
Open the Timeline context menu and enable Multi-Camera Follows Nest.
For each multicam clip in your timeline:
- Select it and press F to load it into the Source Monitor.
- Press . (period key) to overwrite it back into the timeline.
This will bring in all underlying clips from the multicam source sequence, including any muted production audio. You can manage which tracks are added and where using Source Patching.

If the production audio is not inside the multicam:

In the timeline, search for all multicam clips: go to Edit > Find, set Media Type = Sequence, then click Find All.
Select the results and duplicate them to a new track (Option + drag).
Right-click and choose Flatten to convert the multicam clips into individual source clips—this will now reference the original production media.
For each flattened clip:
- Press F to load it in the Source Monitor.
- Press . to add its original audio back into the timeline.

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