Oh WOW- yeah, that definitely feels like something that'd fit in Uzumaki. I found some of the original voice lines from Bezerk- I definitely think this functionality would have been great for a horror game. Maybe Stern was chosen to develop it because of their synthesizer work, and just threw in whatever extra tech they had lying around?
The fact that the original poster mentions that the 'sound' of the machine put him on edge... yeah. I can imagine the synthesizer was a big part of the machine.