Adds two sliders.
One affects the size of threshold window for frequency filter. Before was flat 1.
Second one controls the fill value of the filter mask for all values. Before was static 1. This allows to set different multiplier for frequencies outside of the threshold window (high frequencies).
Adds two sliders. One affects the size of threshold window for frequency filter. Before was flat 1. Second one controls the fill value of the filter mask for all values. Before was static 1. This allows to set different multiplier for frequencies outside of the threshold window (high frequencies).