So at  at the middle o where the arrows are showing , that 's  you 're adding one more mixture per state ,
Uh - huh. Uh ,
or  ?
let 's see , uh. It goes from this  uh , try to go it backwards  this  at this point it 's two mixtures  per state. So this just adds one. Except that , uh , actually for the silence model , it 's six mixtures per state.