Filter parameter update

Since the filter is time-varying, we need to decide how frequently (and at what moments in time) to update its co-efficients.
1 minute 32 seconds
Excellent 0
Very helpful 1
Quite helpful 1
Slightly helpful 1
Confusing 9
No rating 0
My brain hurts 0
Really quite difficult 5
Getting harder 4
Just right 3
Pretty simple 0
No rating 0