I wrote this because I needed to measure 1/3 octave bands for an arbitrary amount of time, so the RMS calc only has a manual reset. But if you take the RMS calc from a standard compressor plug, that will give you control of the windowing.

This is an IIR implementation and of course wasn't designed ...

DynamicPhase, If it's about the cutoff that can be found as a module in the compressor, I've tried it. It's not the right one. But thanks for the tip!

Hi!

I want to split the entire frequency range, for example 1000 hz.
And find out the volume of each section. In db. Or in some relative value.

I have a "Cutof" module ripped out of the compressor, but that's not what I need.

Eventually I want to make a mastering plugin. Analyse the reference ...