Manufacturer: Dave White
Model: Accidental Synthesizer (AccSyn)
Version: v2026.07.13.520
Date: 2026-07-15
| Function | Transmitted/Export | Recognized/Import | Remarks |
|---|
| 1. Basic Information | | | |
| MIDI channels | No | 1-16 | Omni mode by default, configurable via UI |
| Note numbers | No | 0-127 | Full MIDI range |
| Program change | No | Yes | Program numbers corespond to the order patches appear in the Patches dropdown menu. Presets and then user patches all in 1 bank |
| Bank Select response? | No | No | |
| Modes supported: | | | |
| Mode 1: Omni-On, Poly | No | No | Mono synth |
| Mode 2: Omni-On, Mono | No | Yes | Default mode |
| Mode 3: Omni-Off, Poly | No | No | Mono synth |
| Mode 4: Omni-Off, Mono | No | Yes | User-selectable |
| Multi Mode | No | No | |
| Note-On Velocity | No | Yes | |
| Note-Off Velocity | No | No | |
| Channel Aftertouch | No | Yes | Controls oscillator clipper boost |
| Poly (Key) Aftertouch | No | No | |
| Pitch Bend | No | Yes | |
| Active Sensing | No | No | |
| System Reset | No | Yes | |
| Tune Request | No | No | |
| Universal System Exclusive: | | | |
| Sample Dump Standard | No | No | |
| Device Inquiry | No | No | |
| File Dump | No | No | |
| MIDI Tuning | No | No | |
| Master Volume | No | Yes | |
| Master Balance | No | Yes | |
| Notation Information | No | No | |
| Turn GM1 System On | No | No | |
| Turn GM2 System On | No | No | |
| Turn GM System Off | No | No | |
| DLS-1 | No | No | |
| File Reference | No | No | |
| Controller Destination | No | No | |
| Key-based Instrument Ctrl | No | No | |
| Master Fine/Coarse Tune | No | No | |
| Other Universal System Exclusive | No | No | |
| Manufacturer or Non-Commercial System Exclusive | No | No | |
| NRPNs | No | No | |
| RPNs: | | | |
| RPN 00 (Pitch Bend Sensitivity) | No | No | Use CC #5 instead |
| RPN 01 (Channel Fine Tune) | No | No | |
| RPN 02 (Channel Coarse Tune) | No | No | |
| RPN 03 (Tuning Program Select) | No | No | |
| RPN 04 (Tuning Bank Select) | No | No | |
| RPN 05 (Modulation Depth Range) | No | No | |
| 2. MIDI Timing and Synchronization | | | |
| MIDI Clock | No | Yes | |
| Song Position Pointer | No | No | |
| Song Select | No | No | |
| Start | No | No | |
| Continue | No | No | |
| Stop | No | Yes | |
| MIDI Time Code | No | No | |
| MIDI Machine Control | No | No | |
| MIDI Show Control | No | No | |
| 3. Extensions Compatibility | | | |
| General MIDI compatible? | No | No | Dedicated synthesizer |
| Is GM default power-up mode? | No | No | |
| DLS compatible? | No | No | |
| (DLS File Types) | No | No | |
| Standard MIDI Files | No | No | |
| XMF Files | No | No | |
| SP-MIDI compatible? | No | No | |
| Control # | Function | Transmitted (Y/N) | Recognized (Y/N) | Remarks |
|---|
| 0 | Bank Select (MSB) | N | N | |
| 1 | Modulation Wheel (MSB) | N | Y | Controls Pitch Modulation LFO depth |
| 2 | Breath Controller (MSB) | N | N | |
| 3 | Velocity Curve | N | Y | |
| 4 | Foot Controller (MSB) | N | N | |
| 5 | Pitch Bend Range | N | Y | |
| 6 | | N | N | |
| 7 | Master Volume | N | Y | |
| 8 | Mute | N | Y | |
| 9 | | N | N | |
| 10 | Stereo Balance | N | Y | |
| 11 | | N | N | |
| 12 | Sub Oscillator Shape Parameter 1 | N | Y | |
| 13 | Sub Oscillator Shape Parameter 2 | N | Y | |
| 14 | Oscillator 1 Shape Parameter 1 | N | Y | |
| 15 | Oscillator 1 Shape Parameter 2 | N | Y | |
| 16 | Oscillator 2 Shape Parameter 1 | N | Y | |
| 17 | Oscillator 2 Shape Parameter 2 | N | Y | |
| 18 | Oscillator 3 Shape Parameter 1 | N | Y | |
| 19 | Oscillator 3 Shape Parameter 2 | N | Y | |
| 20 | Oscillator Key Sync Enabled | N | Y | |
| 21 | Sub Oscillator Pitch Envelope Amount | N | Y | |
| 22 | Oscillator 1 Pitch Envelope Amount | N | Y | |
| 23 | Oscillator 2 Pitch Envelope Amount | N | Y | |
| 24 | Oscillator 3 Pitch Envelope Amount | N | Y | |
| 25 | Pitch Envelope Attack Time | N | Y | |
| 26 | Pitch Envelope Decay Time | N | Y | |
| 27 | Pitch Envelope Sustain Level | N | Y | |
| 28 | Pitch Envelope Release Time | N | Y | |
| 29 | Pitch Envelope Inverted | N | Y | |
| 30 | | N | N | |
| 31 | | N | N | |
| 32 | | N | N | |
| 33 | | N | N | |
| 34 | | N | N | |
| 35 | | N | N | |
| 36 | | N | N | |
| 37 | Portamento Time | N | Y | |
| 38 | Oscillator Hard Sync | N | Y | |
| 39 | Channel Volume (LSB) | N | N | |
| 40 | Sub Oscillator Shape | N | Y | |
| 41 | Oscillator 1 Shape | N | Y | |
| 42 | Oscillator 2 Shape | N | Y | |
| 43 | Oscillator 3 Shape | N | Y | |
| 44 | Sub Oscillator Coarse Tune | N | Y | |
| 45 | Oscillator 1 Coarse Tune | N | Y | |
| 46 | Oscillator 2 Coarse Tune | N | Y | |
| 47 | Oscillator 3 Coarse Tune | N | Y | |
| 48 | Sub Oscillator Fine Tune | N | Y | |
| 49 | Oscillator 1 Fine Tune | N | Y | |
| 50 | Oscillator 2 Fine Tune | N | Y | |
| 51 | Oscillator 3 Fine Tune | N | Y | |
| 52 | Sub Oscillator Level | N | Y | |
| 53 | Oscillator 1 Level | N | Y | |
| 54 | Oscillator 2 Level | N | Y | |
| 55 | Oscillator 3 Level | N | Y | |
| 56 | Sub Oscillator Mute | N | Y | |
| 57 | Oscillator 1 Mute | N | Y | |
| 58 | Oscillator 2 Mute | N | Y | |
| 59 | Oscillator 3 Mute | N | Y | |
| 60 | Sub Oscillator Balance | N | Y | |
| 61 | Oscillator 1 Balance | N | Y | |
| 62 | Oscillator 2 Balance | N | Y | |
| 63 | Oscillator 3 Balance | N | Y | |
| 64 | Sustain Pedal | N | Y | |
| 65 | Portamento On/Off | N | Y | |
| 66 | Sub Oscillator Clip Boost | N | Y | |
| 67 | Oscillator 1 Clip Boost | N | Y | |
| 68 | Oscillator 2 Clip Boost | N | Y | |
| 69 | Oscillator 3 Clip Boost | N | Y | |
| 70 | Filter Poles | N | Y | |
| 71 | Filter Resonance | N | Y | |
| 72 | Amp Envelope Release Time | N | Y | |
| 73 | Amp Envelope Attack Time | N | Y | |
| 74 | Filter Cutoff | N | Y | |
| 75 | Amp Envelope Decay Time | N | Y | |
| 76 | | N | N | |
| 77 | | N | N | |
| 78 | | N | N | |
| 79 | Amp Envelope Sustain Level | N | Y | |
| 80 | Amp Envelope Inverted | N | Y | |
| 81 | | N | N | |
| 82 | | N | N | |
| 83 | | N | N | |
| 84 | | N | N | |
| 85 | Filter Envelope Attack Time | N | Y | |
| 86 | Filter Envelope Decay Time | N | Y | |
| 87 | Filter Envelope Sustain Level | N | Y | |
| 88 | Filter Envelope Release Time | N | Y | |
| 89 | Filter Envelope Inverted | N | Y | |
| 90 | Filter Envelope Amount | N | Y | |
| 91 | Key Tracking Amount | N | Y | |
| 92 | | N | N | |
| 93 | | N | N | |
| 94 | | N | N | |
| 95 | | N | N | |
| 96 | | N | N | |
| 97 | | N | N | |
| 98 | | N | N | |
| 99 | | N | N | |
| 100 | Mod Wheel LFO Key Sync | N | Y | |
| 101 | Mod Wheel LFO Clock Sync | N | Y | |
| 102 | Mod Wheel LFO Frequency | N | Y | |
| 103 | Mod Wheel LFO Center Value | N | Y | |
| 104 | Mod Wheel LFO Range | N | Y | |
| 105 | Mod Wheel LFO Wave Shape | N | Y | |
| 106 | Mod Wheel LFO Phase | N | Y | |
| 107 | Mod Wheel LFO Reset | N | Y | |
| 108 | Filter Mod LFO Frequency | N | Y | |
| 109 | Filter Mod LFO Amount | N | Y | |
| 110 | Filter Mod LFO Wave Shape | N | Y | |
| 111 | Filter Mod LFO Phase | N | Y | |
| 112 | Filter Mod LFO Reset | N | Y | |
| 113 | Filter Mod LFO Clock Sync | N | Y | |
| 114 | Filter Mod LFO Key Sync | N | Y | |
| 115 | | N | N | |
| 116 | | N | N | |
| 117 | | N | N | |
| 118 | | N | N | |
| 119 | | N | N | |
| 120 | All Sound Off | N | N | |
| 121 | Reset All Controllers | N | N | |
| 122 | Local Control On/Off | N | N | |
| 123 | All Notes Off | N | Y | |
| 124 | Omni Mode Off | N | N | |
| 125 | Omni Mode On | N | N | |
| 126 | Poly Mode Off | N | N | |
| 127 | Poly Mode On | N | N | |