• booly@sh.itjust.works
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    2 months ago

    It is a noise coming through the speakers themselves. As many have pointed out, it is almost definitely feedback of some form.

    Like back in the day when leaving a 2G GSM phone next to some computer speakers, it would make certain buzzes as it was receiving a text message or phone call.

    • misterdoctor@lemmy.world
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      2 months ago

      This happened to me at work, a coworker planted a listening device in a wooden mallard and gave it to me as a gift. He was trying to collect evidence against me for attempted blackmail. I put my phone next to it and heard the staticky feedback which gave it away.