Um , yeah , and then there 's a third thing , is that , um , basically the way on - line normalization was done uh , is just using this recursion on  on the um , um , on the feature stream ,
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.