How many times have you been in a public place and heard an announcement that was impossible to recognize? What if the message was an evacuation order for assistance in exiting a burning building? Learn the critical facets of speech intelligibility and how to test for it.
By Bob Dolph · September 03, 2012
Gamewell-FCI by Honeywell of Northford, Conn., has developed an addressable node expander (ANX) to expand the capacity of its E3 Series expandable emergency evacuation systems.
SSI Staff · September 28, 2010