语音信号的分帧加窗的matlab实现

[x,fs,nbits]=wavread('5_1.wav');
x1=enframe(x,200,100);%分帧
x2=enframe(x,hamming(200),100);%加窗
figure;%画图
subplot(2,1,1),plot(x1(50,:))
figure
subplot(2,1,2),plot(x2(50,:))