获取声音信号.m

MATLAB做的源代码

%[k,Fs,bits]=wavread('E:\software\酷狗音乐\KuGou2008\login.wav'); 
AI=analoginput('winsound');
addchannel(AI,1);
freq=12000;%采样频率为8000hz
duration=2;%采样时间为2s
set(AI,'SamplesPerTrigger',duration*freq)
start(AI)
data = getdata(AI);
plot(data);
grid on
stop(AI)
delete(AI)
clear AI