Diagram of the front panel of the Access Virus A
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Access Virus A MIDI CCs & NRPNs

MIDI implementation details for the Access Virus A.

Last update: April 1, 2026 • 93 parameters

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

General

Parameter CC Range Usage Orientation
Modulation wheel 1 [0–127] — 0-based
Portamento time 5 [0–127] — 0-based
Channel volume 7 [0–127] — 0-based
Panorama 10 [0–127]
0~127: Pan direction
 Centered
Fm filt env amt 30 [0–127] — Centered
Osc2 keyfollow 31 [0–127] — Centered
Bank select 32 [0–1]
0: Bank A; 1: Bank B
 0-based
Saturation curve 49 [0–6]
0: Off; 1: Light; 2: Soft; 3: Middle; 4: Hard; 5: Digital; 6: Shaper
 0-based
Hold pedal 64 [0–127] — 0-based
Patch volume 91 [0–127] — 0-based
Transpose 93 [0–127] — Centered
Key mode 94 [0–4]
0: Poly; 1: Mono1; 2: Mono2; 3: Mono3; 4: Mono4
 0-based
Twin mode 97 [0–1]
0: Off; 1: On
 0-based
Twin detune 98 [0–127] — 0-based
Panorama spread 99 [0–127] — 0-based
Input mode 101 [0–2]
0: Off; 1: Dynamic; 2: Static
 0-based
Input select 102 [0–8]
0: In1L; 1: In1L+R; 2: In1R; 3: Aux1L; 4: Aux1L+R; 5: Aux1R; 6: Aux2L; 7: Aux2L+R; 8: Aux2R
 0-based
All notes off 123 [0–0] — 0-based

Oscillators

Parameter CC Range Usage Orientation
Osc1 shape 17 [0–127]
0~127: Sine to saw to pulse
 Centered
Osc1 pulsewidth 18 [0–127] — 0-based
Osc1 wave select 19 [0–64]
1: Sine; 2: Triangle; 3~64: Wave
 0-based
Osc1 semitone 20 [0–127] — Centered
Osc1 keyfollow 21 [0–127] — Centered
Osc2 shape 22 [0–127]
0~127: Sine to saw to pulse
 Centered
Osc2 pulsewidth 23 [0–127] — 0-based
Osc2 wave select 24 [0–64]
1: Sine; 2: Triangle; 3~64: Wave
 0-based
Osc2 semitone 25 [0–127] — Centered
Osc2 detune 26 [0–127] — 0-based
Osc2 fm amount 27 [0–127] — 0-based
Osc2 sync 28 [0–1]
0: Off; 1: On
 0-based
Osc2 filt env amt 29 [0–127] — Centered
Suboscillator shape 35 [0–1]
0: Square; 1: Triangle
 0-based

Mix

Parameter CC Range Usage Orientation
Osc balance 33 [0–127]
0~127: Balance between Osc1 and Osc2
 Centered
Suboscillator volume 34 [0–127] — 0-based
Osc main volume 36 [0–127] — 0-based
Noise volume 37 [0–127] — 0-based

Filter

Parameter CC Range Usage Orientation
Cutoff 40 [0–127] — 0-based
Cutoff2 41 [0–127] — Centered
Filter1 resonance 42 [0–127] — 0-based
Filter2 resonance 43 [0–127] — 0-based
Filter1 env amt 44 [0–127] — 0-based
Filter2 env amt 45 [0–127] — 0-based
Filter1 keyfollow 46 [0–127] — Centered
Filter2 keyfollow 47 [0–127] — Centered
Filter balance 48 [0–127] — Centered
Filter1 mode 51 [0–3]
0: LP; 1: HP; 2: BP; 3: BS
 0-based
Filter2 mode 52 [0–3]
0: LP; 1: HP; 2: BP; 3: BS
 0-based
Filter routing 53 [0–3]
0: Ser 4; 1: Ser 6; 2: Par 4; 3: Split
 0-based

Envelopes

Parameter CC Range Usage Orientation
Filter env attack 54 [0–127] — 0-based
Filter env decay 55 [0–127] — 0-based
Filter env sustain 56 [0–127] — 0-based
Filter env sustain time 57 [0–127]
0~127: Fall to infinite to rise
 Centered
Filter env release 58 [0–127] — 0-based
Amp env attack 59 [0–127] — 0-based
Amp env decay 60 [0–127] — 0-based
Amp env sustain 61 [0–127] — 0-based
Amp env sustain time 62 [0–127]
0~127: Fall to infinite to rise
 Centered
Amp env release 63 [0–127] — 0-based

LFO

Parameter CC Range Usage Orientation
Lfo1 rate 67 [0–127] — 0-based
Lfo1 shape 68 [0–5]
0: Sine; 1: Tri; 2: Saw; 3: Square; 4: S&H; 5: S&G
 0-based
Lfo1 env mode 69 [0–1]
0: Off; 1: On
 0-based
Lfo1 mode 70 [0–1]
0: Poly; 1: Mono
 0-based
Lfo1 symmetry 71 [0–127] — Centered
Lfo1 keyfollow amt 72 [0–127] — 0-based
Osc1 lfo1 amount 74 [0–127] — Centered
Osc2 lfo1 amount 75 [0–127] — Centered
Pw lfo1 amount 76 [0–127] — Centered
Reso lfo1 amount 77 [0–127] — Centered
Filtgain lfo1 amount 78 [0–127] — Centered
Lfo2 rate 79 [0–127] — 0-based
Lfo2 shape 80 [0–5]
0: Sine; 1: Tri; 2: Saw; 3: Square; 4: S&H; 5: S&G
 0-based
Lfo2 env mode 81 [0–1]
0: Off; 1: On
 0-based
Lfo2 mode 82 [0–1]
0: Poly; 1: Mono
 0-based
Lfo2 symmetry 83 [0–127] — Centered
Lfo2 keytrigger 85 [0–127]
0: Off; 1~127: Keytrigger phase
 0-based
Oscshape lfo2 amount 86 [0–127] — Centered
Fmamount lfo2 amount 87 [0–127] — Centered
Cutoff1 lfo2 amount 88 [0–127] — Centered
Cutoff2 lfo2 amount 89 [0–127] — Centered
Panorama lfo2 amount 90 [0–127] — Centered
Twin lfo phase 100 [0–127] — Centered

FX

Parameter CC Range Usage Orientation
Chorus mix 105 [0–127] — Centered
Chorus rate 106 [0–127] — 0-based
Chorus depth 107 [0–127] — 0-based
Chorus delay 108 [0–127] — 0-based
Chorus feedback 109 [0–127] — 0-based
Chorus lfo shape 110 [0–5]
0: Sine; 1: Tri; 2: Saw; 3: Square; 4: S&H; 5: S&G
 0-based
Effect send 113 [0–127] — 0-based
Delay time 114 [0–127] — 0-based
Delay feedback 115 [0–127] — 0-based
Delay rate 116 [0–127] — 0-based
Delay depth 117 [0–127] — 0-based
Delay lfo shape 118 [0–5]
0: Sine; 1: Tri; 2: Saw; 3: Square; 4: S&H; 5: S&G
 0-based

This dataset is provided under the Creative Commons Attribution Share Alike 4.0 International license.