But are you comparing with something  e I 'm  I 'm  p s a little confused again , i it  Uh , when you compare it with the V A D - based ,
Mm - hmm.
VAD - Is this  is this the  ?
It 's  It 's the France - Telecom - based spectra , s uh , Wiener filtering and VAD. So it 's their system but just I replace their noise estimate by this one.