mulaw.m

来自「用MATLAB实现PCM（脉冲调制）的编码」· M 代码 · 共 8 行

function [y,a]=mulaw(x,mu)
%MALAW   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)).*sign(x);