Diagram of the front panel of the OTO Machines FX BISCUIT
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OTO Machines FX BISCUIT MIDI CCs & NRPNs

MIDI implementation details for the OTO Machines FX BISCUIT.

Last update: March 25, 2026 • 25 parameters

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

Drive

Parameter CC Range Usage Orientation
Input gain 14 [0–127]
0~127: -Inf to +15dB
 Centered

Mixer

Parameter CC Range Usage Orientation
Dry level (naked) 15 [0–127]
0~127: -Inf to +15dB
 Centered
8bit level (dressed) 16 [0–127]
0~127: -Inf to +15dB
 Centered

Filter

Parameter CC Range Usage Orientation
Resonance (Q) 17 [0–127]
0~127: Low to high resonance
 0-based
Cutoff frequency 18 [0–127]
0~127: 20Hz to 15kHz
 0-based
Filter mode 29 [0–127]
0-42: Lowpass; 43-84: Bandpass; 85-127: Highpass
 0-based

Clock

Parameter CC Range Usage Orientation
Sample rate 19 [0–127]
0~127: 250Hz to 30kHz
 0-based

Bits

Parameter CC Range Usage Orientation
Bit 1 20 [0–127]
0-42: Off; 43-84: On; 85-127: Invert
 0-based
Bit 2 21 [0–127]
0-42: Off; 43-84: On; 85-127: Invert
 0-based
Bit 3 22 [0–127]
0-42: Off; 43-84: On; 85-127: Invert
 0-based
Bit 4 23 [0–127]
0-42: Off; 43-84: On; 85-127: Invert
 0-based
Bit 5 24 [0–127]
0-42: Off; 43-84: On; 85-127: Invert
 0-based
Bit 6 25 [0–127]
0-42: Off; 43-84: On; 85-127: Invert
 0-based
Bit 7 26 [0–127]
0-42: Off; 43-84: On; 85-127: Invert
 0-based
Bit 8 27 [0–127]
0-42: Off; 43-84: On; 85-127: Invert
 0-based

System

Parameter CC Range Usage Orientation
Bypass 28 [0–127]
0-63: Active; 64-127: Bypass
 0-based

FX

Parameter CC Range Usage Orientation
FX type 30 [0–127]
0-25: Off; 26-50: Waveshaper; 51-75: Delay; 76-100: Pitch; 101-127: Step filter
 0-based
Waveshaper type 31 [0–127]
0-15: Rect; 16-31: Alt rect; 32-47: Fuzz; 48-63: Biscuit; 64-79: Swap; 80-95: Saw; 96-111: Low saw; 112-127: Low square
 0-based

Delay

Parameter CC Range Usage Orientation
Division 32 [0–127]
0-21: Quarter; 22-42: Dotted quarter; 43-63: Eighth; 64-84: Dotted eighth; 85-105: Sixteenth; 106-127: Dotted sixteenth
 0-based
Feedback 33 [0–127]
0-15: 0%; 16-31: 10%; 32-47: 20%; 48-63: 30%; 64-79: 35%; 80-95: 45%; 96-111: 50%; 112-127: 100%
 0-based
Free clock enable 34 [0–127]
0-63: Off; 64-127: On
 0-based

Pitch

Parameter CC Range Usage Orientation
Pitch shift 35 [0–127]
0-15: -2oct; 16-31: -1oct; 32-47: -5th; 48-63: Detune; 64-79: +m3; 80-95: +M3; 96-111: +5th; 112-127: +1oct
 0-based

StepFilter

Parameter CC Range Usage Orientation
Play mode 36 [0–127]
0-42: Forward; 43-84: Alternate; 85-127: Random
 0-based
Speed 37 [0–127]
0-25: x1; 26-50: x2; 51-75: x4; 76-100: x8; 101-127: x24
 0-based
Steps 38 [0–127]
0-25: 2 steps; 26-50: 3 steps; 51-75: 4 steps; 76-100: 6 steps; 101-127: 8 steps
 0-based

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