Diagram of the front panel of the KORG volca keys
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KORG volca keys MIDI CCs & NRPNs

MIDI implementation details for the KORG volca keys

Contributions welcome! You can email us your edited CSV if you don't want to use GitHub.

VCO

Parameter CC Range Usage Orientation
Portamento 5 [0–127] — 0-based
Detune 42 [0–127] — 0-based
VCO EG depth 43 [0–127] — 0-based

General

Parameter CC Range Usage Orientation
Expression 11 [0–127] — 0-based
Voice 40 [0–127]
0-12: Poly; 13-37: Unison; 38-62: Octave; 63-87: Fifth; 88-112: Unison ring; 113-127: Poly ring
 0-based
Octave 41 [0–127]
0-21: 32'; 22-43: 16'; 44-65: 8'; 66-87: 4'; 88-109: 2'; 110-127: 1'
 0-based

EG

Parameter CC Range Usage Orientation
Attack 49 [0–127] — 0-based
Decay/release 50 [0–127] — 0-based
Sustain 51 [0–127] — 0-based

VCF

Parameter CC Range Usage Orientation
Cutoff 44 [0–127] — 0-based
VCF EG intensity 45 [0–127] — 0-based

LFO

Parameter CC Range Usage Orientation
Rate 46 [0–127] — 0-based
Pitch intensity 47 [0–127] — 0-based
Cutoff intensity 48 [0–127] — 0-based

Delay

Parameter CC Range Usage Orientation
Delay time 52 [0–127] — 0-based
Delay feedback 53 [0–127] — 0-based

The portions of this library that refer to specific devices may be owned by the devices' respective manufacturers. Everything else is licensed under the Creative Commons Attribution Share Alike 4.0 International license.