Did you record A or B format? If the former, two possibilities come to mind (assuming stereo out is the goal):
-Use the two back-to back capsules of the remaining three;
-Use the two back-to back capsules, one reverse polarity, for a difference signal and add the center capsule as the mono signal in an MS configuration.
If B format, you could dematrix to A, then proceed as above.
In all cases, significant EQ will probably be needed.
Pleiades Audio + Electronics
From: Tom Hall <***@ludions.com>
To: Surround Sound discussion group <***@music.vt.edu>
Sent: Thu, Jun 8, 2017 10:24 am
Subject: [Sursound] Making something of faulty A-format recording
I've got a SPS200 recording with a unusable 3rd channel (possibly an electrical problem in the recorder). The recording was of general ambience and extracting a detailed/realistic soundstage isn't important. I thought I might be able to extract something in Harpex, but even using the mono shotgun setting, couldn't locate a direction that omitted signal from the ruined 3rd channel. Likewise in Surround Zone 2, adjusting the mic orientation with 0 width stereo still contained channel 3 signal.
I'd like to create a 2-channel output that is less arbitrary than simply using two of the three usable channels, and have got some 'interesting' results using with azimuth / level matching tool in Izotope RX.
I wonder if the group has any other suggestions for experimentation with the 3 usable channels.
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