- 2025-01-19 ISGK Instruments
- https://github.com/risgk/digital-synth-pra32-u
- Notes
- $1 : Disabled in Paraphonic Mode
- $2 : Disabled if Osc 1 Wave is not Pls (Pulse)
- Osc 1 Wave [Saw|Sin|-|Tri|-|Pls]
- 0, 6-12: Saw Wave
- 1, 25 (13-38): Sine Wave
- 2, 50 (39-63): Triangle Wave
- 3, 75 (64-88): Triangle Wave
- 4, 100 (89-114): Pulse Wave (Shape adjustable)
- 5, 127 (115-127): Pulse Wave (Shape adjustable)
- Osc 1 Shape $2
- Sine Wave (Phase Modulation): Modulation Depth
- Pulse Wave (= 1st Saw + Phase Shifted 2nd Saw)
- 0: Pulse Width 50%, or 2nd Saw Phase 50% (min)
- 64: Pulse Width 25%, or 2nd Saw Phase 25%
- 96: Pulse Width 12.5%, or 2nd Saw Phase 12.5%
- 127: Pulse Width 0.4%, or 2nd Saw Phase 99.6% (max)
- Osc 1 Morph $2
- Sine Wave (Phase Modulation): Frequency Ratio of Modulator
- 0 (0-1): Ratio 0.5 (min)
- 4 (2-5): Ratio 1.0
- 8 (6-9): Ratio 1.5
- 12 (10-13): Ratio 2.0
- 20 (18-21): Ratio 3.0
- 28 (26-29): Ratio 3.5
- 108 (106-109): Ratio 14.0
- 124 (122-125): Ratio 16.0
- 127 (126-127): Ratio 16.5 (max)
- Pulse Wave
- 0: Pulse 100% = Saw 100% + Reverse Saw 100% (min)
- 32: Pulse 50% + Saw 50% = Saw 100% + Reverse Saw 50%
- 64: Saw 100%
- 96: Saw 100% + Saw 50%
- 127: Saw 100% + Saw 100% (max)
- Sine Wave (Phase Modulation): Frequency Ratio of Modulator
- Mixer Noise/Sub Osc [N|S]
- -64 (0): Noise 100%
- -63 (1): Noise 98.4%
- -62 (2): Noise 96.9%
- -1 (63): Noise 1.6%
- +0 (64): 0%
- +1 (65): Sub Osc 1.6%
- +62 (126): Sub Osc 96.9%
- +63 (127): Sub Osc 100%
- Osc 2 Wave [Saw|Sin|-|Tri|Nos|Sqr]
- 0, 6-12: Saw Wave
- 1, 25 (13-38): Sine Wave
- 2, 50 (39-63): Triangle Wave
- 3, 75 (64-88): Triangle Wave
- 4, 100 (89-114): White Noise
- 5, 127 (115-127): Square Wave
- Osc 2 Coarse [-|+]
- -60 (4): -60 semitone (min)
- +60 (124): +60 semitone (max)
- Osc 2 Pitch [-|+]
- -55 (9): -12 semitone (min)
- -41 (23): -5 semitone
- -33 (31): -1 semitone
- -32 (32): -50 cent
- +0 (64): +0 cent
- +32 (96): +50 cent
- +33 (97): +1 semitone
- +45 (109): +7 semitone
- +55 (119): +12 semitone (max)
- Mixer Osc Mix [1|2]
- Filter Cutoff
- 0: f = 13.0 Hz (min)
- 61: f = 440 Hz
- 64: f = 523.3 Hz
- 121: f = 14080 kHz
- 127: f = 19912.1 Hz (max)
- Filter Resonance
- 16 (0-19): Q = 0.7 (min)
- 24 (20-27): Q = 0.8
- 32 (28-35): Q = 1.0
- 40 (36-43): Q = 1.2
- 48 (44-51): Q = 1.4
- 56 (52-59): Q = 1.7
- 64 (60-67): Q = 2.0
- 72 (68-75): Q = 2.4
- 80 (76-83): Q = 2.8
- 88 (84-91): Q = 3.4
- 96 (92-99): Q = 4.0
- 104 (100-107): Q = 4.8
- 112 (108-115): Q = 5.6
- 120 (116-123): Q = 6.7
- 127 (124-127): Q = 8.0 (max)
- Filter EG Amt [-|+], LFO Filter Amt [-|+]
- -60 (4): -60 (min)
- +60 (124): +60 (max)
- Filter Key Track [0.0|0.5|1.0] $1
- 0 (0-31): 0.0
- 64 (32-95): 0.5
- 127 (96-127): 1.0
- EG Attack, Amp Attack
- 0: 0.7 ms
- 64: 63.2 ms
- 127: 5.9 s
- EG Decay, Amp Decay
- 0: 2 ms
- 64: 200 ms
- 126: 17.3 s
- 127: No Decay
- EG Release, Amp Release
- 0: 2 ms
- 64: 200 ms
- 127: 18.6 s
- EG Osc Amt [-|+], LFO Osc Amt [-|+]
- Pitch
- -61 (3): -30 semitone (min)
- -55 (9): -24 semitone
- -43 (21): -12 semitone
- -33 (31): -2 semitone
- -32 (32): -100 cent
- +0 (64): +0 cent
- +32 (96): +100 cent
- +33 (97): +2 semitone
- +43 (107): +12 semitone
- +55 (119): +24 semitone
- +61 (125): +30 semitone (max)
- Shape
- -63 (1): Shape -252 (min)
- +63 (127): Shape +252 (max)
- Pitch
- EG Osc Dst [P|2P|1S], LFO Osc Dst [P|2P|1S]
- 0, 3-31: Osc 1 & 2 Pitch
- 1, 64 (32-95): Osc 2 Pitch
- 2, 127 (96-127): Osc 1 Shape
- Voice Mode [Pol|Par|-|Mon|LP|Lgt]
- 0, 6-12: Polyphonic (LFO Single Trigger)
- 1, 25 (13-38): Paraphonic (LFO Single Trigger)
- 2, 50 (39-63): Monophonic (EG & LFO Multi Trigger)
- 3, 75 (64-88): Monophonic (EG & LFO Multi Trigger)
- 4, 100 (89-114): Legato Portamento (Monophonic, EG & LFO Single Trigger, Auto Portamento)
- 5, 127 (115-127): Legato (Monophonic, EG & LFO Single Trigger)
- Portamento
- 0: Portamento Time 0 ms
- 1: Portamento Time 1.1 ms
- 64: Portamento Time 100 ms
- 127: Portamento Time 9.3 s
- LFO Wave [Tri|Sin|-|Saw|SH|Sqr]
- 0, 6-12: Triangle Wave (Key Trigger Off, -0.5 to +0.5)
- 1, 25 (13-38): Sine Wave (Key Trigger Off, -0.5 to +0.5)
- 2, 50 (39-63): Saw Wave (Key Trigger On, -0.5 to +0.5)
- 3, 75 (64-88): Saw Wave (Key Trigger On, -0.5 to +0.5)
- 4, 100 (89-114): Sample & Hold (Key Trigger On, -0.5 to +0.5)
- 5, 127 (115-127): Square Wave (Key Trigger On, 0.0 to 1.0)
- LFO Rate
- 0: 0.068 Hz (min)
- 64: 2.7 Hz
- 80: 6.9 Hz
- 127: 103.8Hz (max)
- LFO Depth
- The actual LFO depth is the "LFO Depth" value plus the "Modulation" value
- LFO Fade Time
- 0: 0 ms (min)
- 1: 9.6 ms
- 64: 1.0 s
- 127: 9.6 s (max)
- Filter Mode [LP|HP]
- 0, 2-63: Low Pass
- 1, 127 (64-127): High Pass
- EG Amp Mod [Off|On]
- 0, 2-63: Off
- 1, 127 (64-127): On, Amp ADSR = EG ADSR
- Release = Decay [Off|On]
- 0, 2-63: Off
- 1, 127 (64-127): On, EG Release = EG Decay and Amp Release = Amp Decay
- NOTE: EG Velocity Sensitivity and Amp Velocity Sensitivity works independently
- Pitch Bend Range
- 0: 0 semitone (min)
- 60: 60 semitone (max)
- Breath Filter Amt [-|+]
- -60 (4): -60 (min)
- +60 (124): +60 (max)
- Breath Amp Mod [Off|Qad|Lin]
- 0, 3-31: Off
- 1, 64 (32-95): Quadratic Curve
- 2, 127 (96-127): Liniear Curve
- Voice Assign Mode [1|2]
- 0, 2-63: Mode 1, Free voice with next number has priority in Polyphonic/Paraphonic Mode, Release is effective
- 1, 127 (64-127): Mode 2, Free voice with small number has priority in Polyphonic/Paraphonic Mode, Portamento is effective
- Chorus Rate
- 0: LFO Frequency 0.012 Hz (min)
- 64: LFO Frequency 0.48 Hz
- 127: LFO Frequency 18.4 Hz (max)
- Chorus Depth
- 0: Delay Time +/- 0 ms (min)
- 32: Delay Time +/- 1.3 ms
- 64: Delay Time +/- 2.7 ms
- 126: Delay Time +/- 5.3 ms (max)
- Delay Feedback
- 0: Feedback 0% (min)
- 64: Feedback 25%
- 127: Feedback 49.6% (max)
- Delay Time
- 0: 1 ms (min)
- 5: 6 ms
- 6: 8 ms
- 7: 10 ms
- 12: 20 ms
- 27: 50 ms
- 42: 100 ms = eighth note time at 300 BPM
- 57: 150 ms = eighth note time at 200 BPM
- 62: 166.7 ms = eighth note time at 180 BPM
- 64: 173.3 ms
- 72: 200 ms = eighth note time at 150 BPM
- 87: 250 ms = eighth note time at 120 BPM
- 93: 270 ms
- 102: 300 ms = eighth note time at 100 BPM
- 112: 333.3 ms (max)
- Delay Mode [S|P]
- 0, 2-63: Stereo Delay
- 1, 127 (64-127): Ping Pong Delay