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How to Tell Gunfire From Fireworks

Aug 06, 2019 - The New York Times

“Listen for the cadence,” says Scott Beisner, a public-safety specialist for ShotSpotter, which has installed acoustic sensors in more than 100 cities to capture and locate where shots are fired. “When somebody pulls a trigger, they tend to pull it in a fairly steady rhythm until the end, when their finger gets tired,” Beisner says. A series of evenly spaced bang-bang-bang sounds is much more likely to be a gun than the more sporadic ba-bang, ba-ba-ba-ba-bang of firecrackers. When sensor...