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Do you often hear the ringing of switching power supplies and devices when you are in a quiet space? (lemmy.world)

submitted 9 months ago* (last edited 9 months ago) by [email protected] to c/[email protected]

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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?

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[–] [email protected] 20 points 9 months ago (1 children)

It's funny, I had a horrible toxic job for way longer than any sane person should ever have to deal with, and one aspect of it was dangerous noise levels. We complained, and the company always sent "independent" inspectors who always found that the noise levels were juuuust inside the legal safe limit. Even when they added enough equipment to double the volume! Funny that... Anyways, I am now over six months gone from that job, and I just realized that my tinnitus is way better than it was! Ditto my mental health... Now I just need a winning lottery ticket or a not-soul-sucking job...

[–] [email protected] 3 points 9 months ago (1 children)

Just checking that you know the tinnitus trick: palm flat on ear blocking sound, fingers drumming lightly on the back of your head.

Makes it go away fairly quickly for most people. Obviously isn't a permanent fix but helps when it gets annoying.

[–] [email protected] 3 points 9 months ago

Yup! It fades it out really quick, but it comes back within minutes. My tinnitus has gotten a lot better lately.