invmulaw.m

来自「用MATLAB实现PCM（脉冲调制）的编码」· M 代码 · 共 6 行

function x=invmulaw(y,mu)
%INVMULAW                The inverse of mu-law nonlinearity
%X=INVMULAW(Y,MU)        Y=Normalized output of the mu-law nonlinearity

x=(((1+mu).^(abs(y))-1)./mu).*sign(y);