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.
Do people use the Wiener filtering in combination with the spectral subtraction typically , or is i are they sort of competing techniques ?
Not seen. They are very s similar techniques.
Yeah. O oh , OK.