this post was submitted on 09 Apr 2025
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I had this before my hearing was damaged in my mid-thirties. I could hear if any electrical device with large filter capasitors was turned on, even from another room. I discovered by accident that the high pitch noise was emitted by the capasitors when I was fixing old audio gear, I guess they vibrate while doing their job or something like that.
I talked about this with my friend who was specializing to be an ear/hearing doctor, his theory was that my upper hearing range was a bit higher than average. He also talked about how brains filter sensory data and it could just be that my filters weren't blocking these frequencies.
It was also impossible for me to sleep in a room if there were any mosquitoes. The whining of their wings even in the far side of a room was maddening, so I had to kill them all every night before hitting the bed. The one good thing that came out of the damage to my hearing was that the mosquitoes bother me no more, unless they fly right in front of my ears.