【求助】求大神看看这个错误应该怎么解答！！！！

close all;
IS=0.25;
wlen=200
inc=80;
fle='ceshi.wav';
[xx,fs]=wavread(fle);
xx=xx-mean(xx);
x=xx/max(abs(xx));
N=length(x);
time=(0:N-1)/fs;
SNR=10;
signal=Gnoisegen(x,SNR);
wnd=hamming(wlen);
overlap=wlen-inc;
NIS=fix((IS*fs-wlen)/inc+1);
y=enframe(signal,wnd,inc)';
fn=size(y,2);
frameTime=frame2time(fn,wlen,inc,fs);
for i=1:fn
Sp=abs(fft(y(:,i)));
Sp=Sp(1:wlen/2+1);
Ep=Sp.*Sp;
prob=Ep/(sum(Ep));
H(i)=-sum(prob.*log(prob+eps));
end
Enm=multimidfilter(H,10);
Me=min(Enm);
eth=mean(Enm(1:NIS));
Det=eth-Me;
T1=0.98*Det+Me;
T2=0.93*Det+Me;
[voiceseg,vsl,SF,NF]=vad_param1D_revr(Enm,T1,T2);
subplot 311;plot(time,x,'k');
title('语音波形');
ylabel('幅值');axis([0 max(time) -1 1]);
subplot 312;plot(time,signal,'k');
title(['加噪语音波形(信噪比)',num2str(SNR),'dB']);
ylabel('幅值');axis([0 max(time) -1 1]);
subplot 313;plot(frameTime,Rum,'k');
title('短时谱熵');axis([0 max(time) 0 0.2]);
xlabel('时间/s');ylabel('幅值');
line([0,frameTime(fn)],[T1 T1],'color','k','LineStyle','- -');
line([0,frameTime(fn)],[T2 T2],'color','k','LineStyle','-');
for k=1:vsl
nx1=voiceseg(k).begin;nx2=voiceseg(k).end;
fprintf('%4d %4d %4d\n',k,nx1,nx2);
subplot 311;
line([frameTime(nx1) frameTime(nx1)],[-1 1],'color','k','LineStyle','-');
line([frameTime(nx2) frameTime(nx2)],[-1 1],'color','k','LineStyle','- -');
end

求大神解答，在线等