Aftertouch

Aftertouch adds expressive control by responding to pressure applied after a note is triggered. You’ll need a MIDI keyboard that supports aftertouch, or send aftertouch MIDI signals from your DAW. Katla can also be MPE-enabled (coming soon), allowing per-note aftertouch for even greater control.

Katla Params

The Katla Params Aftertouch slider offers two distinct modes, selected by moving the slider up or down:

• Upper position: aftertouch blends in the four pitch-affecting Katla parameters — Móða, Kvika, Skjálfti, and Glóð.
• Lower position: aftertouch creates harmonic clusters by modulating the pitch of voices 1, 2, 4, and 5 while leaving voice 3 unchanged.

Filter Cutoff

• Upper position: aftertouch raises the filter’s cutoff point.
• Lower position: aftertouch lowers the cutoff point.

LFO Rate

• Upper position: aftertouch increases the LFO rate.
• Lower position: aftertouch decreases the rate.