Syncing External Audio with SMPTE

My 8 track field recorder has a SMPTE sync source. I am going to connected it to the DP's RED camera sync input so my audio and his video have SMPTE sync between the two.
In the past I have used audio waveforms and manually sync'ed everything and although it works very well it is a tedious and time consuming process. It often took me half a day to sync up 8 tracks of audio with the edited video for one two minute scene in STP.
How then, do I match up the audio and video using the sync signal automatically or semi automatically?

In FCP, when you merge clips, one of the sync options is to use Timecode ... but I'm wondering if you shouldn't instead be looking at a helper app called PluralEyes:
http://www.singularsoftware.com/pluraleyes.html

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