Yeah.
yeah. It 's  it 's  there 's a di there 's a whole class of techniques where you try in some sense to minimize the noise.
Uh - huh.
And it 's typically a mean square sense , uh  uh  uh , i in  in  in some way. And , uh  uh , spectral subtraction is  is , uh  uh , one approach to it.