computer speakers pick up cell phone comms
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Thread: computer speakers pick up cell phone comms

  1. #1
    Join Date
    Jul 1998
    Location
    Toronto
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    23,885

    computer speakers pick up cell phone comms

    Interesting.. My computer speakers, mid quality, self powered generic brand that I've had for years just recently starting about two weeks ago, have been picking up the signals from my cell phone.. a Samsung S6, that I've had for a year. It's an intermittent buzzy/digital kind of sound. Like...

    Dzzzz...Dzz.Dzzzzzz..Dzzz maybe for 5 seconds every 15 or 30 minutes. It's not very loud although it gets much louder if I hold the phone next to the speaker with the amp inside.

    It's only slightly annoying and not even close to a show stopper but I'm wondering why it would have just recently started. I haven't moved the speakers or any part of the PC setup or rearranged the wiring or added any new apps to the phone.

    It's definitely just the speakers.. muting the audio on the PC has no effect.

    Ultimately though I'm wondering more why it's just started more than stopping it which I'm guessing would be difficult. I mean I could just move my cell phone a few more feet away but I like it within arm's reach for obvious reasons. And I'm not going to build a Faraday cage or wrap my speakers in aluminum foil LOL.

    ideas?
    Don't believe everything you think.
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  2. #2
    Join Date
    Jul 1998
    Location
    Toronto
    Posts
    23,885
    So after doing some more searching it's become apparent this is a much more common problem than I'd thought. I'm going to try and find some cheap Ferrite Clamp On Cores locally for my speaker cables to try and filter out the EMI.

    https://www.mouser.ca/Fair-Rite/Pass...w7t7?P=1z0zldu

    Still odd that it would just suddenly start though.


    https://www.youtube.com/watch?v=fh4IR_gPuUE
    Don't believe everything you think.
    _____________________
    cat lovers click here

  3. #3
    Join Date
    Feb 2000
    Location
    Idaho Falls, Idaho, USA
    Posts
    16,297
    I have had speakers and/or a sound card pick up radio stations in the past. I am guessing that is the cheap amplifier circuitry that may be the cause.

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