Digital Performer 4.6 and mono-to-stereo UAD-1 plug-ins
In Digital Performer 4.6, mono-to-stereo UAD-1 plug-ins do not pass audio. This issue will be addressed in a future UAD-1 update.
The current work-around is to convert the mono track to stereo. Alternately, you can insert a non-UAD-1 plugin in MISO mode (it can be bypassed) in front of the UAD-1 plugin which forces the UAD-1 plugin to operate in stereo-in/stereo-out (SISO) mode.
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