• cmhe@lemmy.world
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    4 months ago

    I noticed if the TV was off or on (muted and black screen) without looking at it, but my parents did not.

    • u/lukmly013 💾 (lemmy.sdf.org)@lemmy.sdf.org
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      4 months ago

      eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

      On a side note, it may still be the case with some electronics if the room is quiet enough due to coil whine. I can hear my laptop’s LED blinking when it’s in sleep. (Obviously not the LED itself.)

    • MystikIncarnate@lemmy.ca
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      4 months ago

      I could do this too. I think most kids could.

      Most older people (past 30 or 40 IIRC) naturally lost the highest end of their hearing and couldn’t detect the high pitched buzzing of the TV.

      This effect has been weaponized by businesses to deter young adults from loitering around their premise. It’s effectively a high pitched noise maker in the frequency range that young people can hear, but older people have naturally lost the ability to hear. It’s literally just to annoy them into leaving.

    • I_Fart_Glitter@lemmy.world
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      4 months ago

      Stealth mode. Leaving it this way on purpose was how I could get up after bed time to play nintendo on mute without waking my parents. Switching it on made a very loud and distinctive snapping noise.

      • cmhe@lemmy.world
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        4 months ago

        No idea.

        I don’t have access to any CRT TV. I also don’t remember ever hearing it on CRT PC monitors as a child, only on the TV. If I did, then it was just much quieter than the TV.

        What I found fascinating at that time was, that it was so noticeable to me, but my parents didn’t believe me at first, when I mentioned it. I had to prove it to them. To me, that was just a normal noise.

        Like growing up with an additional sense, and assuming that everyone else has it too.