mulaw.m

Quantization (signal processing) uniformly and non-uniformily using A and miu law od companding. s

function y = Mulaw(x)
mu=255;
i=find(x==0);
j=find(x~=0);
y=x;
y(j)=(log(1+mu*abs(x(j)))./log(1+mu)).*sign(x(j));
y(i)=0;
%MULAW Summary of this function goes here
%   Detailed explanation goes here