I’m curious, how many people are aware of these sounds. I have designed, etched, and built my own switching power supplies along with winding my own transformers. I am aware of the source of the noise. So, does anyone else hear these high frequency sounds regularly?
I’ve been trying some of the tinnitus masking videos from “Dale Snale”. It’s been hit and miss though, some of the frequencies closest to my own have actually made it worse! So I’ve been trying stuff further away from the 13KHz region.