How can I make the path of the Ball Balance Table more smooth

There was a question in the second webinar (please check the recording posted on the event thread) about smoothing the path! I was not able to show this step during the webinar - but Nils and I tried some more options - and we succeeded!!

See the following comparison: 

The blue is the original one with steps... and the red the smooth one.

Here is the setup I used:

Please test the same and work with the low pass filer settings!

armin