Logarithms are used to measure the “loudness” of sound. Decibels (dB) are logarithmic units used to describe a ratio of two levels of intensity or pressure. The difference between two levels of sound pressure (
How many decibels correspond to doubling the pressure of a sound?
What is the sound pressure of a noise described as
The sound ratio is
How many times more pressure is in a sound of
dB than of dB? times more pressure.