www.pudn.com > asr.rar > melcepMeanStd.m, change:2004-11-06,size:677b

function [ccMean,ccStd]=melcepMeanStd(ct,len)     
% calculate the normalizated mean and standard deviation 
% ct is calculated array ;  
% len is (window's length-1 )/2; 
% ccMean is mean, ccStd is standard deviation 
    ctp=ct.'; 
    ctpMean=(mean(ctp)).'; 
    ctpStd=(std(ctp,1)).'; 
    i=size(ctpMean,1); 
    ctpMeanSt=[]; 
    ctpMeanEd=[]; 
    ctpStdSt=[]; 
    ctpStdEd=[]; 
    for k=1:len 
        ctpMeanSt=[ctpMeanSt;ctpMean(1,1)]; 
        ctpMeanEd=[ctpMeanEd;ctpMean(i,1)]; 
        ctpStdSt=[ctpStdSt;ctpStd(1,1)]; 
        ctpStdEd=[ctpStdEd;ctpStd(i,1)]; 
    end  
    ccMean=[ctpMeanSt;ctpMean;ctpMeanEd]; 
    ccStd=[ctpStdSt;ctpStd;ctpStdEd]; 
return