Yeah. So , your point is  will be to u use whatever
Oh , that if you d if you use purely energy and don't look at anything spectral , then you don't have a good way of distinguishing between low - energy speech components and  nonspeech. And , um ,
Mm - hmm.
just as a gross generalization , most nonsp many nonspeech noises have a low - pass kind of characteristic , some sort of slope. And  and most , um , low - energy speech components that are unvoiced have a  a high - pass kind of characteristic