I have a few second length sound clip (.wav) and need to apply a high-pass filter to see the high frequency components of that.
AI=analoginput('winsound');
addchannel(AI,1);
set(AI, 'SampleRate', 8000);
set(AI, 'SamplesPerTrigger', 32000);
start(AI);
data=getdata(AI);
wavwrite(data,'audio.wav');