I went around my apartment a few weeks ago recording electronic interference using a super cheap unbalanced microphone/pickup. I got a couple of interesting sounds, and I need do it again to see what other unique sounds I can grab. I've got a really interesting sound from a digital cable box. I think it was the power supply, and I was hearing the alternating current relay. That's one I've got to go back to, and see if I can hold the correct position a little longer to get something a bit more usable.
I loaded a couple of them into Pro Tools to toy with them a bit, and wound up layering two very different sounds. (As a side note, it's interesting just how varied electromagnetic interference can be.) They turned into a pulsating sci-fi sound. Admittedly not hard to do (it only took about 5 minutes), but I was just messing around anyways. The two sounds are the interference caused by a power LED in a computer monitor, and the interference picked up from a cd player's drive.
Here's the result.
Phasey electronics by spfarley
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