Safety Dynamics is creating a system to separate the gentle susurration of the waves from the sound of an invading amphibian army. Designed to pick out unnatural noises glass breaking, chain link rattling, the odd, inopportune cough SENTRI can tell the difference between natural, repetitive sounds and unnatural breaking and entry. Planned chemical sensors will even allow it to tell the difference between shots fired and a truck backfiring.
SENTRI, designed for the U.S. Office of Naval Research, is now being used by two police departments and can call in for back up or aim cameras at a certain location. Up next is a mobile version. Maybe something that shocks you when a raccoon is rustling in your campsite trash?
Hey, now, what’s that sound [EurekAlert]
