Total speculation on my part,
But I think these sounds are coming from-
(A). Alien's, in whatever form of our reality, doing something we can't understand (or possibly see).
(B). Some shady government agency, doing some crazy fringe physic's experiment.
(C) Maybe its intelligence, or some kind of effect between Dimensions.
Whatever it is, its very interesting, and sounds very alien.
I will be paying close attention (as always
edit on 16-1-2012 by Soapusmaximus because: tinkering