Archive for October, 2007

So just what is a decibel (dB)? Probably not what you think.

Ask yourself this question: what exactly does a decibel measure? If you’re thinking “loudness of sound”, then you’re on the right track, but there’s more to it. Any quantity can be measured on a decibel scale, but decibels are most useful when they describe an underlying quantity that varies over a vast range. Let’s take […]