by Shane Clary | Apr 23, 2019 | Sponsored
When designing and installing voice evacuation and mass notification systems, intelligibility is required to be achieved. NFPA 72, National Fire Alarm and Signaling Code requires a 0.70 Speech Transmission Index [STI] minimum so that a message is intelligible and...
by Shane Clary | Nov 12, 2014 | News
How many times are you at a venue and cannot understand the message that is being delivered over the public address system? On the other hand, you will be able to understand the spoken word at a theater performance, a hotel meeting room or at the ballpark.The same...
