Logarithms are used to measure the “loudness” of sound. Decibels (dB) are logarithmic units used to descrbe a ratio of two levels of intensity or pressure. The difference between two levels of sound pressure (P1 and P2) is defined as
How many decibels correspond to doubling the pressure of a sound?
What is the sound pressure of a sound described as 60 dB?
What does 0 decibels mean?
The sound ratio is
How many times more pressure is in a sound of
than of ? times more pressure.