Los Angeles tests gunshot sensors on light poles

Los Angeles is testing sensors attached to streetlights to wirelessly detect gunshots and other noises, and may expand the service to include sensors to recognize air pollution and earthquakes.

Dozens of cities globally, including New York, began monitoring gunshot sounds with sophisticated rooftop sensor technology that measured two to three feet in length more than a year ago. However, newer sensors to detect gunshot sounds that are being tested by L.A. are smaller, about 1.5 inches in diameter, and can be placed farther apart, on a light pole every 10 blocks, according to Ed Ebrahimian, director of the city’s bureau of street lighting.

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