control of the maximum and minimum levels of a sound programme signal to bring it within specified limits determined by the onset of non-linearity distortion on the one hand and inadequate signal-to-noise ratio on the other Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=723-03-13
control of the maximum and minimum levels of a sound programme signal to bring it within specified limits determined by the onset of non-linearity distortion on the one hand and inadequate signal-to-noise ratio on the other