f1.m

来自「简单的信号处理」· M 代码 · 共 14 行

AI = analoginput('winsound');
chan = addchannel(AI,1);
duration = 1; %1 second acquisition
set(AI,'SampleRate',8000)
ActualRate = get(AI,'SampleRate');
set(AI,'SamplesPerTrigger',duration*ActualRate)
set(AI,'TriggerType','Manual')
blocksize = get(AI,'SamplesPerTrigger');
Fs = ActualRate;
start(AI)
trigger(AI)
data = getdata(AI);