Soundproofed cars and booming sound systems are making drivers oblivious to sirens, letter writers warn, turning “aural bliss” into a dangerous blind spot that imperils emergency crews and everyone ...
When the New York Police Department started using the Rumbler in 2009, one opponent called it an "acoustic assault" on ...
The technology, developed by Illinois-based Federal Signal, works by interacting with a standard police siren and amplifying ...
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