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 ...

Sounds above 80 dB can cause hearing damage, and we should limit the exposure to prevent hearing loss. Decibel apps are a convenient way to measure volume fairly accurately with your phone. Our ...

What does noise cancellation actually do to block outside sound and why does it add so much to the cost of headphones? We explain, along with how we test this feature for our reviews. I've been a ...

Megan Gerhart, Au.D. received her doctorate of audiology from the University of Florida. She has experience helping pediatrics to geriatrics both in private practice and medical models of care. She ...

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 ...

From the Richter scale to sound pressure, many modern units utilize the logarithmic “base 10” system. But to many engineers, the decibel (dB) remains one of the trickiest concepts of test and ...