And , um , so , there 's lots of different kinds of acoustic conditions. I mean , it 's not artificially added noise or anything. So it 's not the same. I don't think there 's anybody recording over a car from a car , but  I think it 's  it 's varied enough that if  if doing this adjustments , uh , and playing around with it doesn't , uh , make it better , the most  uh , it seems like the most obvious thing to do is to improve the training set. Um  I mean , what we were  uh  the condition  It  it gave us an enormous amount of improvement in what we were doing with Meeting Recorder digits , even though there , again , these m Macrophone digits were very , very different from , uh , what we were going on here. I mean , we weren't talking over a telephone here. But it was just  I think just having a  a nice variation in acoustic conditions was just a good thing.
Mm - hmm. Yep.
Mmm.
Yeah , actually  to s eh , what I observed in the HM case is that the number of deletion dramatically increases. It  it doubles.