DB

From Guide

dB­­­­­­­­­ stands ­­­­­­­­­for ­­­­­­­­­Decibel ­­­­­­­­­and ­­­­­­­­­is­­­­­­­­­ a­­­­­­­­­ measurement ­­­­­­­­­of ­­­­­­­­­volume. ­­­­­­­­­In ­­­­­­­­­recording­­­­­­­­­ measurements, ­­­­­­­­­volumes ­­­­­­­­­can ­­­­­­­­­range ­­­­­­­­­from ­­­­­­­­­∞dB ­­­­­­­­­to­­­­­­­­­ +18dB ­­­­­­­­­or ­­­­­­­­­higher.­­­­­­­­­ A­­­­­­­­­ 6­­­­­­­­­dB­­­­­­­­­ increase ­­­­­­­­­is ­­­­­­­­­perceived ­­­­­­­­­as ­­­­­­­­­twice ­­­­­­­­­as ­­­­­­­­­loud.