Of  of speech.
OK.
Mm - hmm.
The other thing , um , which maybe relates a little bit to something else we 've talked about in terms of windowing and so on is , that , um , I wonder if you trained with twelve seconds , and then when you were two seconds in you used two seconds , and when you were four seconds in , you used four seconds , and when you were six  and you basically build up to the twelve seconds. So that if you have very long utterances you have the best ,