The evolution of mass notification systems: Part 2

Voice intelligibility's role in modern day MNS solutions

For exterior spaces, Flannery said that there are a combination of a couple of different technologies that can be utilized, including traditional giant voice speakers that are loud and project over long distances and planar speakers, which are fairly directional, but much more intelligible than traditional speakers. He emphasized, however, that organizations that are implementing voice systems need to make sure that they have people with the proper skill sets installing them to ensure audibility and intelligibility.

"You should always have people that have these special skills, sound design engineers, people with NICET training to do these sound designs because they really are a specialized skill set," he said.