This was the first attempt at spread spectrum switching, and the 8kHz tone:
https://www.dropbox.com/s/8p7fidujso...2011.20.07.mp4
This is what it sounded like after trying to increase the randomization. It was noticeably more hissy:
https://www.dropbox.com/s/krmry0occ4...2011.39.27.mp4
It won't be this loud though while driving. I had the speaker blasting on maximum. All 0.1 watts of her. haha.