1. audiokid

    (term) Decibel (dB)

    Decibel (dB) - The measuring unit of sound pressure, and hence loudness. The decibel is a numerical ratio between the sound pressure of a given sound and the sound pressure of a reference sound (usually .0002 microbar). Common decibel levels encountered vary from the rustling of grass (15 dB)...
  2. audiokid

    (term) db

    The decibel (abbreviated dB) is a unit used to measure the intensity of a sound. However, the dB scale is not linear, rather it is a unit used to express the relative levels of two electrical voltages, powers or sounds. It is never an absolute value.