I 'm sorry , I didn't quite get that. There 's  there 's four and there 's seven and  I  I 'm sorry.
Yeah. Uh , maybe I should write it on the board. So ,  there 's four rounds of training. Um , I g I g I guess you could say iterations. The first one is three , then seven , seven , and seven. And what these numbers refer to is the number of times that the , uh , HMM re - estimation is run. It 's this program called H E
But in HTK , what 's the difference between , uh , a  an inner loop and an outer loop in these iterations ?
OK. So what happens is , um , at each one of these points , you increase the number of Gaussians in the model.