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 did as a kid, but my tinnitus covers it up now.
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It’s probably the type that’s brain side like mine. It’s not an ear thing but your brain has some reason for thinking you hear the ringing. But even so, I can still hear the slightest sounds. It’s bizarre because the ringing will be louder but I hear things that are quieter. It’s like having two sets of ears at once in those moments and is always unsettling.