Mm - hmm.
And , uh , uh , you know.
So why did you choose , uh , Wiener filtering over some other  one of these other techniques ?
Uh , the reason was , like , we had this choice of using spectral subtraction , Wiener filtering , and there was one more thing which I which I 'm trying , is this sub space approach. So , Stephane is working on spectral subtraction.