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UDO Audio Super Gemini (Super 8) MIDI CC chart, NRPN and OSC map

The UDO Audio Super Gemini (Super 8) MIDI implementation: 106 CC, each named, for Claude (MCP), SuperCollider or any OSC app.

Device UDO Audio Super Gemini (Super 8)
Vendor UDO Audio
OSC prefix /super_gemini_super_8
Source πŸ“¦ Derived from MIDI Guide (community CC/NRPN data)
Firmware unknown
Revision per pencilresearch canonical CSV
Upstream pencilresearch
Data licence CC-BY-SA-4.0 β€” MIDI Guide (https://midi.guide) by Pencil Research and contributors
Driver file devices/udo-audio/super_gemini_super_8.json
Not tested on the device yet

This driver comes from documentation or community data and has not been checked on real hardware. If you own one, a quick test and a pull request promoting it helps everyone β€” see CONTRIBUTING.

How do you control it?

Find the MIDI ports, then start the bridge with this driver:

osc-bridge detect        # prints the ready-to-run line for what is plugged in
osc-bridge run --device devices/udo-audio/super_gemini_super_8.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /super_gemini_super_8/dds_1/waveform 53

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as super_gemini_super_8: ask β€œwhat can the UDO Audio Super Gemini (Super 8) do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (106)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/super_gemini_super_8/dds_1/waveform 29 0–107 continuous DDS 1
/super_gemini_super_8/dds_1/range 30 0–107 continuous DDS 1
/super_gemini_super_8/dds_2/waveform 31 0–107 continuous DDS 2
/super_gemini_super_8/dds_2/range 106 0–107 continuous DDS 2
/super_gemini_super_8/dds_2/tune 35 0–127 continuous DDS 2
/super_gemini_super_8/dds_2/mode 36 0–85 continuous DDS 2
/super_gemini_super_8/dds_modulator/modulator_destination 23 0–85 continuous DDS modulator
/super_gemini_super_8/dds_modulator/lfo_1_amount 21 0–127 continuous DDS modulator
/super_gemini_super_8/dds_modulator/envelope_1_amount 22 0–127 continuous DDS modulator
/super_gemini_super_8/dds_modulator/lfo_2_amount 70 0–127 continuous DDS modulator
/super_gemini_super_8/dds_modulator/cross_modulation 28 0–127 continuous DDS modulator
/super_gemini_super_8/dds_modulator/pw_detune 25 0–127 continuous DDS modulator
/super_gemini_super_8/dds_modulator/pwm_wave_modulation 26 0–127 continuous DDS modulator
/super_gemini_super_8/dds_modulator/pwm_wave_modulation_source 27 0–85 continuous DDS modulator
/super_gemini_super_8/dds_modulator/pitch_bend_amount 76 0–127 continuous DDS modulator
/super_gemini_super_8/dds_modulator/drift 94 0–127 continuous DDS modulator
/super_gemini_super_8/effects/delay_time 12 0–127 continuous Effects
/super_gemini_super_8/effects/delay_feedback 13 0–127 continuous Effects
/super_gemini_super_8/effects/delay_freeze 69 0–64 continuous Effects
/super_gemini_super_8/effects/delay_send 91 0–127 continuous Effects
/super_gemini_super_8/effects/chorus 93 0–96 continuous Effects
/super_gemini_super_8/enevelope_1/mode 50 0–85 continuous Enevelope 1
/super_gemini_super_8/enevelope_1/keytrack 51 0–85 continuous Enevelope 1
/super_gemini_super_8/enevelope_1/attack_hold 52 0–127 continuous Enevelope 1
/super_gemini_super_8/enevelope_1/attack 53 0–127 continuous Enevelope 1
/super_gemini_super_8/enevelope_1/decay 54 0–127 continuous Enevelope 1
/super_gemini_super_8/enevelope_1/decay_hold 32 0–127 continuous Enevelope 1
/super_gemini_super_8/enevelope_1/sustain 55 0–127 continuous Enevelope 1
/super_gemini_super_8/enevelope_1/release 56 0–127 continuous Enevelope 1
/super_gemini_super_8/envelope_2/attack 73 0–127 continuous Envelope 2
/super_gemini_super_8/envelope_2/decay 57 0–127 continuous Envelope 2
/super_gemini_super_8/envelope_2/decay_hold 33 0–127 continuous Envelope 2
/super_gemini_super_8/envelope_2/sustain 58 0–127 continuous Envelope 2
/super_gemini_super_8/envelope_2/release 72 0–127 continuous Envelope 2
/super_gemini_super_8/lfo_1/waveform_hf_mode 16 0–107 continuous LFO 1
/super_gemini_super_8/lfo_1/rate 17 0–127 continuous LFO 1
/super_gemini_super_8/lfo_1/delay 18 0–127 continuous LFO 1
/super_gemini_super_8/lfo_1/lr_phase_pan_spread 19 0–127 continuous LFO 1
/super_gemini_super_8/lfo_1/mode 20 0–127 continuous LFO 1
/super_gemini_super_8/lfo_2/trigger_source 60 0–85 continuous LFO 2
/super_gemini_super_8/lfo_2/rate 62 0–127 continuous LFO 2
/super_gemini_super_8/lfo_2/delay 63 0–127 continuous LFO 2
/super_gemini_super_8/lfo_2/waveform 105 0–107 continuous LFO 2
/super_gemini_super_8/lfo_2/rate_modulation 110 0–127 continuous LFO 2
/super_gemini_super_8/arpeggiator_sequencer/sequence_load 14 0–15 continuous Arpeggiator / Sequencer
/super_gemini_super_8/arpeggiator_sequencer/arpeggiator_range 82 0–96 continuous Arpeggiator / Sequencer
/super_gemini_super_8/arpeggiator_sequencer/swing 83 0–102 continuous Arpeggiator / Sequencer
/super_gemini_super_8/arpeggiator_sequencer/external_clock 84 0–64 continuous Arpeggiator / Sequencer
/super_gemini_super_8/arpeggiator_sequencer/mode 85 0–102 continuous Arpeggiator / Sequencer
/super_gemini_super_8/arpeggiator_sequencer/on_off 86 0–64 continuous Arpeggiator / Sequencer
/super_gemini_super_8/arpeggiator_sequencer/hold 87 0–64 continuous Arpeggiator / Sequencer
/super_gemini_super_8/vca/envelope_level 7 0–127 continuous VCA
/super_gemini_super_8/vca/lfo_2_amount 42 0–127 continuous VCA
/super_gemini_super_8/vca/dynamics 48 0–85 continuous VCA
/super_gemini_super_8/vca/envelope_mode 49 0–85 continuous VCA
/super_gemini_super_8/vca/lfo_1_amount 92 0–127 continuous VCA
/super_gemini_super_8/vca/dds_2_amount 109 0–127 continuous VCA
/super_gemini_super_8/vcf/filter_cutoff_frequency 74 0–127 continuous VCF
/super_gemini_super_8/vcf/resonance 71 0–127 continuous VCF
/super_gemini_super_8/vcf/drive 41 0–85 continuous VCF
/super_gemini_super_8/vcf/keytrack 43 0–85 continuous VCF
/super_gemini_super_8/vcf/envelope_source 44 0–85 continuous VCF
/super_gemini_super_8/vcf/envelope_amount 45 0–127 continuous VCF
/super_gemini_super_8/vcf/lfo_1_amount 46 0–127 continuous VCF
/super_gemini_super_8/vcf/dds_2_amount 47 0–127 continuous VCF
/super_gemini_super_8/vcf/lfo_2_amount 75 0–127 continuous VCF
/super_gemini_super_8/vcf/pitch_bend_amount 77 0–127 continuous VCF
/super_gemini_super_8/vcf/hpf_cutoff_frequency 95 0–127 continuous VCF
/super_gemini_super_8/clock/tempo 3 0–127 continuous Clock
/super_gemini_super_8/clock/sync 81 0–64 continuous Clock
/super_gemini_super_8/clock/divider 107 0–102 continuous Clock
/super_gemini_super_8/controller/modulation_lever 1 0–127 continuous Controller
/super_gemini_super_8/controller/ribbon_coarse 2 0–127 continuous Controller
/super_gemini_super_8/controller/ribbon_fine 34 0–127 continuous Controller
/super_gemini_super_8/controller/foot_controller 4 0–127 continuous Controller
/super_gemini_super_8/controller/mod_amount_fine_adjust 9 0–127 continuous Controller
/super_gemini_super_8/controller/expression 11 0–127 continuous Controller
/super_gemini_super_8/controller/performance_control_destination 61 0–85 continuous Controller
/super_gemini_super_8/controller/sustain_pedal 64 0–64 continuous Controller
/super_gemini_super_8/controller/octave_select 67 0–102 continuous Controller
/super_gemini_super_8/controller/performance_detune 111 0–127 continuous Controller
/super_gemini_super_8/general/bank_select 0 0–127 continuous General
/super_gemini_super_8/general/portamento_time 5 0–127 continuous General
/super_gemini_super_8/general/data_entry 6 / 38 0–16383 continuous General
/super_gemini_super_8/general/portamento_layer_select 65 0–85 continuous General
/super_gemini_super_8/general/data_increment 96 0–127 continuous General
/super_gemini_super_8/general/data_decrement 97 0–127 continuous General
/super_gemini_super_8/general/nrpn 99 / 98 0–16383 continuous General
/super_gemini_super_8/general/rpn 101 / 100 0–16383 continuous General
/super_gemini_super_8/general/modulation_layer 104 0–85 continuous General
/super_gemini_super_8/general/all_sound_off 120 0–0 continuous General
/super_gemini_super_8/general/reset_all_controllers 121 0–0 continuous General
/super_gemini_super_8/general/local_control_on_off 122 0–64 continuous General
/super_gemini_super_8/general/all_notes_off 123 0–0 continuous General
/super_gemini_super_8/general/omni_mode_off 124 0–0 continuous General
/super_gemini_super_8/general/omni_mode_on 125 0–0 continuous General
/super_gemini_super_8/general/mono_mode_on 126 0–0 continuous General
/super_gemini_super_8/mixer/pan 10 0–127 continuous Mixer
/super_gemini_super_8/mixer/oscillator_mix 37 0–127 continuous Mixer
/super_gemini_super_8/special/super_mode 24 0–85 continuous Special
/super_gemini_super_8/special/manual_mode 59 64–64 continuous Special
/super_gemini_super_8/special/binaural_mode 80 0–64 continuous Special
/super_gemini_super_8/special/lower_layer_detune 108 0–127 continuous Special
/super_gemini_super_8/voicing/voice_assign_mode 78 0–96 continuous Voicing
/super_gemini_super_8/voicing/unison_size 79 1–4 continuous Voicing
/super_gemini_super_8/voicing/poly_mode_on 127 0–0 continuous Voicing

Performance MIDI

Notes, pitch bend and any CC are also available: /super_gemini_super_8/note/on <note> <velocity>, /super_gemini_super_8/cc/<number> <value>, /super_gemini_super_8/pitchbend <0-16383>, /super_gemini_super_8/program_change <n>.

Limitations

CC/NRPN only. SysEx (preset management, display control, bulk dump/load, vendor-proprietary opcodes) is NOT covered by pencilresearch. To extend this device with SysEx, sniff the vendor editor, add `sysex.header/footer` + `commands` blocks, and use `update_device.md` PR template.

Frequently asked questions

Which MIDI CC controls the filter cutoff on the UDO Audio Super Gemini (Super 8)?

CC 74 (0–127), named /super_gemini_super_8/vcf/filter_cutoff_frequency in SynthHub's map.

How many parameters of the UDO Audio Super Gemini (Super 8) can be controlled over MIDI?

SynthHub's map of the UDO Audio Super Gemini (Super 8) lists 106 MIDI CC parameters, each with its number, range and a readable name; the full chart is on this page.

Can an AI agent like Claude control the UDO Audio Super Gemini (Super 8)?

Yes: SynthHub's hosted MCP server knows the UDO Audio Super Gemini (Super 8)'s MIDI map, and its browser relay lets the agent send it parameter changes or load a sound, each sound change confirmed by you.