Oh.
which is done afterwards. Um
So it 's two - twenty. I the is this  are these twenty - millisecond frames ? Is that why ? Is it after downsampling ? or
The two - twenty is one hundred milliseconds for the um  No , it 's forty milliseconds for t for the , uh , uh , cleaning of the speech. Um  then there is , um , the neural network which use nine frames. So it adds forty milliseconds.