Sound is actually short for sound pressure level, or SPL, Steve Orfield said. It is measured in decibels, or dB, around which there are misconceptions. A few facts: • Zero decibels is not the absence ...

In a new survey of noise levels of the New York City transit system, researchers at Columbia University's Mailman School of Public Health found that exposure to noise levels in subways have the ...

We know it’s noisy out there in the restaurant world. Customers’ complaints are growing, critics are including noise commentary in their reviews, and restaurateurs, to some extent, are trying to ...

Because of the congestion throughout Western Europe, refrigerated fleets often deliver loads at night when the traffic is reduced. Studies indicate that fleets can reduce delivery times significantly ...

When I walk into my local cycling studio, the music is at a level that’s easy to talk over. But once the instructor clips in, the volume goes way up. The sound fills your ears, so you can’t hear the ...