www.pudn.com > fundamental.rar > drawfund.m

clear; 
clc; 
N1=14000; 
N2=70; 
fid=fopen('ray1.dat','r'); 
x1=fread(fid,N1,'short'); 
figure(3); 
subplot(211); 
plot(x1); 
title('语音信号'); 
ylabel('幅度'); 
xlabel('样点数'); 
axis([0,14000,-1500,1500]); 
status=fclose(fid); 
fid=fopen('fundamental.dat','r'); 
x2=fread(fid,N2,'short'); 
subplot(212); 
plot(x2); 
title('基音周期'); 
xlabel('帧数'); 
ylabel('样点数'); 
axis([0,N2,0,120]); 
status=fclose(fid);