A Voice Evacuation System is installed to assist in the effective evacuation of an area or building during a fire, bomb-alert or any other type of emergency. When not used in an emergency a Voice Evacuation System can be used to make announcements, broadcast advertisements or play background music.
There are a lot of advantages to having a voice evacuation system, especially for high-rise buildings and premises with high occupancy.
SANS 60849 – Sound Systems for Emergency Purposes; is the document that provides guidelines and recommendations for voice evacuation systems.