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 ...

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 ...

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 ...