Got me to thinking.. Wouldn't all that would be needed is an audio oscillator that can go a little above the human hearing range and then just modulate it? My guess would be that amplitude modulation would be the way to go heh.
I wonder what the effects would be if the modulated carrier was played into an audio PA in a room full of unsuspecting people? Oooor if it was broadcasted over radio. Only problem I can see with radio is that FM transmitters have an upper limit of 15kHz audio so I don't know if that would really work or not?
Just off the topic weird idea lol. Controlling the monkeys with mind control who listen in sounds fun.
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