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this post was submitted on 17 Feb 2024
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My father used to make fun of me for saying that I could hear the TV on even if it was muted, or that I could hear the furnace 'scream' before it came on.
One year, I got as a gift for Christmas, a handheld recorder and a fancy microphone from my stepfather a university music professor And that recorder could actually record the sound which he was able to show me on the computer.
That was like 25 years ago, I've been working with computers ever since, and now I am familiar with many many many devices that make high pitch whines.
The TV thing, from what I've gathered, is normal in kids and lasts up until your 30s or somewhere around there. After that your ears just can't pick up that pitch anymore.
CRT TV's stopped being common at the same time I was aging into the range that would be unable to hear their distinctive whine.
I'm 40s and can pick it up sometimes. Depends on the TV.