mulaw.m

来自「很多通信系统的matlab程序,便于修改调用」· M 代码 · 共 9 行

function [y,a]=mulaw(x,mu)
%MULAW		mu-law nonlinearity for nonuniform PCM
%		Y=MULAW(X,MU).
%		X=input vector.

a=max(abs(x));
y=(log(1+mu*abs(x/a))./log(1+mu)).*signum(x);