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Arturia Polybrute Technical Appendix

Investigating some of the technical details of PolyBrute operation


 

Filter Key Tracking:

Scales from MIDI Note 64 (Middle E).   Notes above Middle E will have filter cutoff increased, while notes below will have filter cutoff decreased.

Key Track at full value = 1 semitone per key, which is the equivalent of "Full" key tracking on classic synths.   A value of 50% key tracking is equivalent to "Half" tracking.    

Ladder Filter become self oscillating at values above .95 Resonance.   Filter tracking is very good over a 5-octave range - +/- 6 cents

Steiner Filter becomes self oscillating at values above .80 Resonance.   Filter tracking is decent over 5-octaves.  Ladder is more accurate.  

Related Instruments

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