Across the United States, noise pollution is not just an inconvenience – it is a safety concern and health hazard.
No one can turn the daily noise down with a remote control. The noise barriers between city streets, busy job sites and public spaces have virtually dissolved. A common noise in urban and some rural settings comes from backup alarms on heavy machinery.
Today, technology offers alternatives to these alarms. One such technology replaces the traditional beeping noise with a sound that covers a broad band of frequencies. Workers on the job site can hear the
