# how to compare two audio signals

I have two audio signal that I want to compare using Matlab, my problem is that I can hear the difference between both loud and clear, but when use the function pwelch to compare their PSD ,I don't see much difference between them,any idea how can I compare them with a different methode ! thanks in advance !

• Why/What for do you want to compare them? Which are the lengths for each signals? Can you plot them and put the figures here? – jessica Mar 11 '14 at 2:13
• stackoverflow.com/questions/22298644/… – Engine Mar 11 '14 at 13:31