Yeah. So , I mean , to do it after the mel conversion  uh , after the noise removal , after the mel conversion. There 's even a question in my mind anyhow of whether th you should take the log or not. Uh. I sort of think you should , but I don't know.
What about norm normalizing also ?
Right. Uh. Well , but normalizing spectra instead of cepstra ?
Yeah.