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 the radio-frequency (RF) microwave test and measurement world, engineers often deal with the power measurement unit of dBm instead of wattage (W). However, when entering the audio measurement arena ...

Colin Davis and the London Symphony Orchestra will bring a ruckus to Avery Fisher Hall next Sunday, when they present the first of three programs, a concert version of Benjamin Britten’s 1945 opera ...

We measured traffic noise in 25 homes across Singapore for a Straits Times interactive story. Here is how the data was ...

For those looking to gain a deeper understanding of how audio works, whether to make better-informed decisions or simply for the sake of curiosity, it's useful to lay down some ground rules that ...

Editor's Note: We have strived to maintain accessibility in our Bring Science Home activities by limiting the required technology. We recognize technology is now more widely available than it was when ...

Designed to make an Android-based SPL meter as close to a professional-grade device as possible, the deciBel Pro mobile app measures and calculates how loud the noises around you are. The app uses a ...

According to the Occupational Safety and Health Administration, 22 million people—including nearly all power plant workers—are exposed to potentially damaging noise at work each year in the U.S.

DELCAMBRE, KATC - Police in Delcambre are now using decibel meters to crack down on excessive noise, following years of complaints from frustrated residents. Starting this week, Delcambre police ...

Scientists have created the loudest-ever underwater sound, measuring more than 270 decibels. The sound, as published in the journal Physical Review Fluids, was created by blasting water microjets with ...