combine.m

wav声音文件的通过多脉冲激励编码器

 function [splast,spwoutpre,spwout]=combine(sp,win_length,frmsize,i,splast,spwoutpre)
     spwout=zeros(1,win_length);
     if  i==1
         spwinpre=sp(1:win_length);
         spwoutpre=sp(win_length+1:frmsize);
         splast=spwinpre;
     else 
         spwin=sp(1:win_length);
         spwout=sp(win_length+1:frmsize);
         spcombine=spwoutpre+spwin;
         splast=[splast,spcombine];
         spwinpre=spwin;
         spwoutpre=spwout;
     end