Introduction
Risks to safe listening
Loud music and your hearing
How to protect your hearing from loud music
How loud is too loud?
Noise is measured in dBA, which is a decibel scale modified to take into account the sensitivity of human ears to different pitches of sound. It is a logarithmic scale, which means that an increase or decrease of 3 dBA represents a doubling or halving of intensity, the energy it contains.
