Diagram of the front panel of the Dave Smith Instruments TETRA
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Dave Smith Instruments TETRA MIDI CCs & NRPNs

MIDI implementation details for the Dave Smith Instruments TETRA.

Last update: March 5, 2026 • 44 parameters

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

Oscillators

Parameter CC Range Usage Orientation
Osc 1 frequency 20 [0–127] — 0-based
Osc 1 freq fine 21 [0–127] — 0-based
Osc 1 shape 22 [0–127] — 0-based
Glide 1 23 [0–127] — 0-based
Osc 2 frequency 24 [0–127] — 0-based
Osc 2 freq fine 25 [0–127] — 0-based
Osc 2 shape 26 [0–127] — 0-based
Glide 2 27 [0–127] — 0-based
Osc mix 28 [0–127] — 0-based
Noise Level 29 [0–127] — 0-based
Sub osc 1 level 30 [0–127] — 0-based
Sub osc 2 level 31 [0–127] — 0-based

Feedback

Parameter CC Range Usage Orientation
Feedback vol 52 [0–127] — 0-based
Feedback gain 53 [0–127] — 0-based

Filter

Parameter CC Range Usage Orientation
Filter frequency 102 [0–127] — 0-based
Resonance 103 [0–127] — 0-based
Filter key amount 104 [0–127] — 0-based
Filter audio mod 105 [0–127] — 0-based
Filter env amount 106 [0–127] — 0-based
Filter env velocity amount 107 [0–127] — 0-based
Filter delay 108 [0–127] — 0-based
Attack 109 [0–127] — 0-based
Decay 110 [0–127] — 0-based
Sustain 111 [0–127] — 0-based
Release 112 [0–127] — 0-based

VCA

Parameter CC Range Usage Orientation
VCA level 113 [0–127] — 0-based
VCA env amount 115 [0–127] — 0-based
Amp env velocity amount 116 [0–127] — 0-based
VCA Delay 117 [0–127] — 0-based
Attack 118 [0–127] — 0-based
Decay 119 [0–127] — 0-based
Sustain 75 [0–127] — 0-based
Release 76 [0–127] — 0-based

General

Parameter CC Range Usage Orientation
Pan spread 114 [0–127] — Centered
BPM 14 [0–127] — 0-based
Clock divide 15 [0–127] — 0-based

Envelope 3

Parameter CC Range Usage Orientation
Destination 85 [0–127] — 0-based
Amount 86 [0–127] — 0-based
Velocity amount 87 [0–127] — 0-based
Delay 88 [0–127] — 0-based
Attack 89 [0–127] — 0-based
Decay 90 [0–127] — 0-based
Sustain 77 [0–127] — 0-based
Release 78 [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.