Yeah.
and  but this is a filter , so it has also a delay. Uh , and when we look at this filter actually it has a delay of eighty - five milliseconds. So if we
Eighty - five.
Yeah. If we want to be very correct , so if we want to  the estimation of the mean t t to  to be  well , the right estimation of the mean , we have to t to take eighty - five milliseconds in the future. Mmm.