Archive 'Dbu'

We have seen in its pertaining section, the exact meaning of the impedance of an electric component. Loudspeakers also, them essentially being circuits, have an impedance which varies depending on the frequency of the applied signal. Generally one would consider the impedance of an acoustic diffuser as the combination of impedances of each single loudspeaker and their circuits.

This is undoubtedly the most important processor. The compressor works on the dynamic range Dynamic Range of the input signal and reduces its amplitude when it goes beyond a certain limit: this reduction is expressed by a ratio, for example 3:1.

Generally they are built with a very sensitive microphone inside and they are calibrated so as to capt sound pressure with a response that mimes that of a human ear.

By dynamic range we mean the interval, measured in dB (the dB varies depending upon the dynamics of the contexts we are dealing with), between the lowest value that an audio signal can have and its highest.

Seeing that dB's produce perception of sound quantities by the human ear, the dB unit also expresses a series of electical quantities on a practical level.