background signal

1. Extraneous signals that can be confused with the phenomenon to be observed or measured (synset 107445080)
   "they got a bad connection and could hardly hear one another over the background signals"
   is a type of: disturbance, interference, noise - electrical or acoustic activity that can disturb communication
   subtypes:

   • background noise, ground noise - extraneous noise contaminating sound measurements that cannot be separated from the desired signal
   • background radiation - radiation coming from sources other than those being observed
   same as: background

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