Uh. Yeah , that 's a good idea.
Yeah. Because , yeah , well , spectral subtraction is good and we could u we could use the fine structure to  to have a better estimate of the noise but  still there is this issue with spectral subtraction that it seems to increase the variance of  of  of
Yeah.
um Well it 's this musical noise which is annoying if you d you do some kind of on - line normalization after.