We have spoken about the audio chain and the different stages a sound signal goes through to be constantly transformed into what we need. Every stage receives an electric signal entry, it manipulates it and returns as output the result of the manipulation that has taken place.

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.

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.