Decibel
= Decibel
{wiki=Decibel}
A decibel (dB) is a unit of measurement used to express the intensity of sound, as well as other measurements such as power levels in electronics and telecommunications. It is a logarithmic unit that quantifies the ratio between two values, typically in terms of power or intensity. In the context of sound, a decibel scale is used because the human ear perceives sound intensity in a logarithmic fashion rather than linearly.