policing protest

The Noise Machine That Quells Dissent

LRAD Thor Benson NLG NYC
Truthdig
January 20, 2015

Police in a number of U.S. cities aren’t just tasering and tear-gassing protesters, they’re attacking their sense of hearing. The Long Range Acoustic Device (LRAD), also called a “sound canon,” is a powerful, military-grade electronic megaphone that, in addition to broadcasting police commands, can be used to disperse crowds with a chirping noise reaching 162 decibels, 42 decibels above the level that can cause immediate and permanent hearing damage.

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