I mean , because  Um , are you taking the log before you add them up to the mel ?
After that. No , after.
Right. So the thing is , I wonder how  if you put your thresholds after that , I wonder how often you would end up with , uh  with negative values.
But you will  But you end up reducing some neighboring frequency bins  @ @ in the average , right ? When you add the negative to the positive value which is the true estimate.