KORG prologue MIDI CCs & NRPNs

MIDI implementation details for the KORG prologue

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System

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Bank Select MSB MIDI bank select (MSB) 0 0 127 0-based 0~127: Bank MSB
Bank Select LSB MIDI bank select (LSB) 32 0 127 0-based 0~127: Bank LSB

Timbre

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Edit Timbre Edit target (Main, Main+Sub, Sub) 85 0 127 0-based 0-42: Main; 43-85: Main+Sub; 86-127: Sub
Timbre Type Layering mode (Layer/Xfade/Split) 86 0 127 0-based 0-42: Layer; 43-85: Xfade; 86-127: Split
Main/Sub Balance Balance between Main and Sub timbre 8 0 127 Centered 64 approximately equal volumes 0: Main; 64: Center; 127: Sub

Master

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Portamento Time Portamento duration 5 0 127 0-based 0~127: Time
Voice Spread Stereo voice spread amount 14 0 127 0-based 0~127: Amount
Voice Mode Depth Depth function depends on Voice Mode 27 0 127 0-based 0~127: Depth

VCO 1

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Wave Waveform select 50 0 127 0-based 0-42: Square; 43-85: Triangle; 86-127: Saw
Octave Foot setting 48 0 127 0-based 0-31: 16'; 32-63: 8'; 64-95: 4'; 96-127: 2'
Pitch Fine tune (cents) 34 0 127 0-based 0~127: Pitch
Shape Waveshape amount 36 0 127 0-based 0~127: Shape

VCO 2

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Wave Waveform select 51 0 127 0-based 0-42: Square; 43-85: Triangle; 86-127: Saw
Octave Foot setting 49 0 127 0-based 0-31: 16'; 32-63: 8'; 64-95: 4'; 96-127: 2'
Pitch Fine tune (cents) 35 0 127 0-based 0~127: Pitch
Shape Waveshape amount 37 0 127 0-based 0~127: Shape

Multi Engine

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Type Engine/type select (Noise/VPM/User & subtype) 53 0 127 0-based Selection depends on engine 0~127: Type select
Octave Octave for Multi engine 52 0 127 0-based 0-31: 16'; 32-63: 8'; 64-95: 4'; 96-127: 2'
Shape Shape / engine parameter 54 0 127 0-based 0~127: Shape

Mixer

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
VCO 1 Level Oscillator 1 level 39 0 127 0-based 0~127: Level
VCO 2 Level Oscillator 2 level 40 0 127 0-based 0~127: Level
Multi Engine Level Multi engine level 33 0 127 0-based 0~127: Level

Filter

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Cutoff VCF cutoff frequency 43 0 127 0-based 0~127: Cutoff
Resonance VCF resonance (Q) 44 0 127 0-based 0~127: Resonance
EG Int Filter EG intensity 45 0 127 Centered Maps to -100%..+100% 0: -100%; 64: 0%; 127: +100%
Drive Drive amount (3-position) 84 0 127 0-based 0-42: 0%; 43-85: 50%; 86-127: 100%
Low Cut High-pass (low-cut) on/off 82 0 127 0-based 0-63: Off; 64-127: On
Keytrack Cutoff key tracking 83 0 127 0-based 0-42: 0%; 43-85: 50%; 86-127: 100%

Amp EG

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Attack Amp envelope attack 16 0 127 0-based 0~127: Attack
Decay Amp envelope decay 17 0 127 0-based 0~127: Decay
Sustain Amp envelope sustain 18 0 127 0-based 0~127: Sustain
Release Amp envelope release 19 0 127 0-based 0~127: Release

EG

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Attack EG attack 20 0 127 0-based 0~127: Attack
Decay EG decay 21 0 127 0-based 0~127: Decay
Sustain EG sustain 22 0 127 0-based 0~127: Sustain
Release EG release 23 0 127 0-based 0~127: Release

LFO

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Wave LFO waveform 57 0 127 0-based 0-42: Triangle; 43-85: Saw; 86-127: Square
Mode LFO range/mode 58 0 127 0-based 0-42: BPM; 43-85: SLOW; 86-127: FAST
Rate LFO speed 24 0 127 0-based 0~127: Rate
Intensity LFO modulation depth 26 0 127 0-based 0~127: Depth
Target LFO destination 56 0 127 0-based 0-42: Cutoff; 43-85: Shape; 86-127: Pitch

Modulation

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Pitch EG Target Applies EG to pitch (VCO2 / VCO1+2 / ALL) 81 0 127 0-based 0-42: VCO2; 43-85: VCO1+2; 86-127: ALL
Pitch EG Int Pitch EG intensity 42 0 127 Centered Maps to negative/positive range 0: -100%; 64: 0%; 127: +100%
Ring/Sync Oscillator Ring Mod / Off / Sync 80 0 127 0-based 0-42: Ring; 43-85: Off; 86-127: Sync
Cross Mod Depth Cross modulation depth 41 0 127 0-based 0~127: Depth

Effects - Mod

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Type Mod FX type/subtype select 88 0 127 0-based Chorus/Ensemble/Phaser/Flanger/User 0-25: Chorus; 26-51: Ensemble; 52-77: Phaser; 78-102: Flanger; 103-127: User
Speed Mod FX speed 28 0 127 0-based 0~127: Speed
Depth Mod FX depth 29 0 127 0-based 0~127: Depth
On/Off Enable/disable Mod FX 92 0 127 0-based 0-63: Off; 64-127: On

Effects - Delay/Reverb

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Type Delay/Reverb type/subtype select 89 0 127 0-based Type depends on Delay/Rev select 0~127: Type select
Time Delay time / Reverb time 30 0 127 0-based 0~127: Time
Depth Delay/Reverb depth (mix) 31 0 127 0-based 0~127: Depth
On/Off Enable/disable Delay/Reverb 94 0 127 0-based 0-63: Off; 64-127: On

Pedal

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
Damper Sustain pedal 64 0 127 0-based 0-63: Off; 64-127: On

Utilities

Parameter Description CC MSB CC LSB CC min CC max NRPN MSB NRPN LSB NRPN min NRPN max Orientation Notes Usage
All Sound Off All Sound Off 120 0 127 0-based 0-127: Trigger
Reset All Controllers Reset all controllers. 121 0 127 0-based 0-127: Reset

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