that , uh  uh  So.
So how does  uh , maybe I 'm going in too much detail , but  how exactly do you make the difference between the FFT and the smoothed  spectral envelope ? Wha - wh i i uh , how is that , uh  ?
Um , we just  How did we do it up again ?
Uh , we distend the  we have the twenty - three coefficient af after the mel f  filter ,