Uh.  To get the speech  voice activity detection , or else just using the silence ,  if there 's only one  silence output. Um  And , he didn't think they had , um. But on the other hand , maybe they can get by with a smaller net and  maybe  sometimes you don't run the other , maybe there 's a computational advantage to having a separate net , anyway.
Mm - hmm.
So um Their uh   the results look pretty good. Um ,  I mean , not uniformly.
Yeah.