if s @ @  val value is indicative that is a voice frame and it 's low values
Yeah. Yeah. Well , you probably want  I mean ,  certainly if  you want to do good voiced - unvoiced detection , you need a few features. Each  each feature is  by itself not enough. But , you know , people look at  at slope and  uh first auto - correlation coefficient , divided by power.
Mmm.
Or  or uh um there 's uh  I guess we prob probably don't have enough computation to do a simple pitch detector or something ? I mean with a pitch detector you could have a   have a  an estimate of  of what the