Filterclavier – MIDI controllable filter “piano”
Today I got the first usable version of Filterclavier running,
a low/high/bandpass filter which cutoff and resonance (and gain)
are set by MIDI input.
“Portamento time” adds viscosity to the filter following the MIDI notes.
In the moment it is monophonic, but in the future there
may be several filters in parallel.
The code is largely based on Krzysztof Foltmans excellent Calf plugin framework.
When I saw the beauty of its code and GUI I could not resist to write the Filterclavier.
Here is the mandatory screenshot:





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If only more than 14 people could hear about this.