Mm - hmm. Um , yep. Uh , and another thing is to  Yeah , for this I just use as noise estimate the mean , uh , spectrum of the first twenty frames of each utterance. I don't remember for this experiment what did you use for these two stage
I used ten  just ten frames. Yeah , because
The ten frames ?
I mean , the reason was like in TI - digits I don't have a lot. I had twenty frames most of the time.