A properly designed distributed paging system will provide a sound pressure level (SPL) for audio paging that is between ________ above ambient noise level.
A properly designed distributed paging system will provide a sound pressure level (SPL) for audio paging that is between ________ above ambient noise level.
"A properly designed overhead paging system will provide an SPL for the voice page that is at least 6 dB, but no more than 20 dB above the ambient noise level."