ShotSpotter microphones detect gunshots and triangulate sounds . Technology automated detection process to eliminate car door slams and yelling . Snippet of a sound was used to get Massachusetts murder conviction . apple says no private conversations are being monitored by its users . New York software is beginning the program for $ 1.5million .
ShotSpotter microphones detect gunshots and triangulate location . Technology uses filtering process to eliminate car door slams and yelling . Snippet of a sound was used to get Massachusetts murder conviction . Company says no private conversations are being monitored by its system . New York City is beginning pilot program for $ 1.5million .