esti some guess and  and , uh , uh
Yeah , but it
It 's an interesting question. I wonder how they did do it ?
Actually , it 's a mmm  If - if you want to have a good estimation on non - stationary noise you have to look in the  in the future. I mean , if you take your window and build your histogram in this window , um , what you can expect is to have an estimation of th of the noise in  in the middle of the window , not at the end. So