If you’ve hung around electronics for any length of time, you’ve surely heard of the decibel (often abbreviated dB). The decibel is a measure of a power ratio. Actually, the real measure is a bel, but ...

One of the most difficult-to-understand terms for newcomers (and even experienced enthusiasts) in audio and sound reproduction is the decibel, partly because it’s a measure of relative intensity or ...

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 ...

A decibel (dB) is a unit used to measure how loud a sound is. The louder the sound, the higher the decibel number. Sounds are made when something vibrates, creating sound waves that travel through the ...

Welcome back class. The holidays are over and it’s time to review. Today’s lesson is the decibel, abbreviated as dB. To the frustration of police and fire chiefs, radio engineers and technicians speak ...

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 ...