but they use  every  all use a different one.
I have an idea. If  if , uh , uh , y you 're right. I mean , each of these require this. Um , given that we 're going to have for this test at least of  uh , boundaries , what if initially we start off by using  known sections of nonspeech  for the estimation ?
Mm - hmm.
Mm - hmm.