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A Dual-Audio/Mezzanine Worflow with Premiere

Stephen Brock

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Hey everyone,


Okay, I'm the Edit-Assist for a full-length documentary. We are shooting on a variety of cameras. Cutting in Premiere Pro CC.


I was brought in about half-way through principle photography. By the end of production, we expect to have shot around 400 hours. We are also recording with dual system audio onto a Zaxcom Nomad. So because of the large amount of footage and the fact that we are using a dual audio system, we decided NOT to edit native. Instead we are transcoding all footage from all sources to ProRes(master/mezzanine) on the front-end before we start cutting. Okay pretty straight forward...


My issue: For each unique video clip we create a prores mov file. In this file we want to keep the original scratch/on-board audio tracks and also combine+sync the correlating audio tracks from the nomad. What is the most efficient way to do this? The nomad is recording a 5-channel mono wav file. So far, I've just been combining and syncing all assets in a Premiere timeline. But this is a bit inefficient and I'm a little confused about the best audio settings to preserve all 7 tracks of audio while not being forced to create panned stereo pairs. I just don't want the audio mixer yelling at me later. :-)


Thoughts?
Thanks in advanced!!

P.S. Most of the source audio files are already timecode synced(via a pair of timecode buddies) but some of the shoots had issues in the field and the TC is off and has to be manually synced either with a head/tail clap or plural-eyes.
 
Why not just sync audio in Redcine X? It will preserve camera audio along with the synced audio and will match via timecode. I would still check sync/playback for two reasons 1) if there was a TC issue in the field, the manual sync tools work fine and 2) Audio is still a bit of an issue in RCX, freaks out oversome bitrate/samplerates and just plays noise IIRC it will export fine.

In Premiere there is an audio option to bring in all audio as mono tracks even if they are stereo pairs. Really, most of the audio you'll come across is mono or should be summed to mono unless stereo ambiance was recorded.
 
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