In our previous post, we described the use of decibels as a unit of ‘sound level’, and talked of it as a logarithmic scale, one in which equal increases represent equal multiplications of the quantity represented. In this post, we will look at another logarithmic scale, the Richter scale for earthquake magnitudes (seismologists may be disgusted […]
Month: November 2018
What is a decibel?
We have probably all seen charts of the decibel scale like the one below. But unless you know how the scale works, you might be led to think that a rock concert is twice as loud as a conversation. And instinctively, you might realise this cannot possibly be the case. This post aims here to […]