this post was submitted on 17 Feb 2024
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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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[โ€“] [email protected] 8 points 9 months ago* (last edited 9 months ago) (10 children)

I used to hear all these sounds, but I'm 40 now so I don't hear them anymore.

[โ€“] [email protected] 10 points 9 months ago (9 children)

43 years old here. I can still hear it. I think I put about 10-15 chargers in the bin because of the noise. I also really hate those anti-mosquito ultrasone emittors people put in their yards. I can hear them whenever I walk around the neighborhood.

[โ€“] [email protected] 14 points 9 months ago (7 children)

Do you remember when you could hear text messages over your speakers before getting the on-phone alert?

[โ€“] [email protected] 4 points 9 months ago

Yup, I remember that ๐Ÿ˜„

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