Larry Saul could be an idea. We were are thinking about just  kind of uh taking the spectrum and computing the variance of  of the high resolution spectrum  and things like this.
So u s u OK. So  So many  tell you something about that. Uh we had a guy here some years ago who did some work on  um  making use of voicing information uh to  help in reducing the noise.
Yeah ?
So what he was doing is basically y you   you do estimate the pitch.