Instantaneous Compandors
C. O. Mallinckrodt · Bell System Technical Journal · 1951
Instantaneous compandors have found useful application in time-division systems. This paper discusses the theory of the instantaneous compandor and evaluates the noise advantage when instantaneous companding is applied to telephone channels. The noise advantage depends upon the noise standard of the system. If the standard corresponds to that of a toll telephone system, a noise advantage of about 20 db is possible.