Mm - hmm.
I don't know exactly s to think what we can improve.
Yeah , cuz a lot of time it 's true , there were a lot of times when we 've tried something and it didn't work right away , even though we had an intuition that there should be something there. And so then we would just stop it. Um And , uh , one of the things  I don't remember the details on , but I remember at some point , when you were working with a second stream , and you tried a low - pass filtering to cepstrum , in some case you got
MSG Yeah.