How to "Feed" Meters?

Did you mean this post regarding your UDO(?):
https://forum-next.cabbageaudio.com/t/knobman-sliders/390/21?u=rive

And one more “stupid” question, hehe:
When integrating filmstrip … what exactly do the numbers in and outside of the bracket stand for?

filmStrip “vuMeterIdent”, int(limit:k(abs(kVuMeter)*30, 0, 29))*128, 128, 128

I have tried to do research and even tried to fumble around with those numbers, but still am not 100% sure about their exact meaning and result. Would you mind giving me a short description? That would be super-nice!!! :slight_smile: