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Comments on Speaker receives interference

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Speaker receives interference

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My Altec Lansing speakers sometimes bleat out a weird sound. It's usually something like "dit. dit-dah-dit. dit-dah-dit."

I suspect it has something to do with radio traffic from my computer or phone's WiFi or cell modem. Supposedly the small desktop speakers that seem to emit the sounds are "shielded" with the bigger bass speaker under the desk "unshielded," but perhaps that doesn't mean what I imagine.

  • What is causing the blips?
  • Is there something relatively simple I can do to prevent the noise?
    • ...and if not, how do I know whether a replacement system would have the same issue?
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1 comment thread

Cables? (2 comments)
Cables?
Lundin‭ wrote about 4 hours ago

How are the speakers connected to the PC? Through audio plugs or USB? In case of the former there's a chance that the EMI is picked up from the cables/supply and then you could probably mod it by adding a ferrite bead to the cable and with some luck that fixes the problem.

Michael‭ wrote 10 minutes ago

It's HDMI to a monitor and 3.5mm to the speakers, so it could be that.