And so there 's a wall of mikes. And you get really , really good beam - forming  with that sort of thing.
Wow.
And it 's  and , um , in fact at one point we had a  a proposal in with Rutgers where we were gonna do some of the sort of per channel signal - processing and they were gonna do the multi - channel stuff , but  it d it d we ended up not doing it. But
I 've seen demonstrations of the microphone arrays. It 's amazing how  how they can cut out noise.