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 ...

Have you ever wondered why listening to rainfall is so relaxing? With the exception of thunderstorms, rainfall typically measures around 50 dBA. In addition, rain emits a sound that is similar to ...

We live in a noisy world, from traffic and aircraft congestion to construction sites, TV shows, and many other sources. But understanding dB measurements can help, as we will soon see. Noise is an ...

The world is getting louder. People cannot escape noise pollution in their everyday lives whether from traffic, infrastructure, music or more, but employees can and must be protected from excessive ...