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Yamaha DX7II_E1_Editor: MIDI CC, NRPN and OSC map

The Yamaha DX7II_E1_Editor as named OSC addresses — 1 CC, 169 SysEx commands — ready to use from Claude (MCP), SuperCollider, Sonic Pi, TouchDesigner or any OSC app via osc-bridge.

Device Yamaha DX7II_E1_Editor
Vendor Yamaha
OSC prefix /dx7ii_e1_editor
Source 🎛️ Derived from an Electra One community preset
Revision per Electra preset
Upstream electra-preset
Driver file devices/yamaha/dx7ii_e1_editor.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 — 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/yamaha/dx7ii_e1_editor.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /dx7ii_e1_editor/master_volume 63

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as dx7ii_e1_editor: ask “what can the Yamaha DX7II_E1_Editor do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (1)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/dx7ii_e1_editor/master_volume 7 0–127 continuous

SysEx commands (169)

OSC address Arguments
/dx7ii_e1_editor/feedback val: u7
/dx7ii_e1_editor/pitch_eg val: u7
/dx7ii_e1_editor/lfo_waveform val: u7
/dx7ii_e1_editor/lfo_keysync_on val: u7
/dx7ii_e1_editor/osc_sync val: u7
/dx7ii_e1_editor/lfo_speed val: u7
/dx7ii_e1_editor/lfo_trig_multi val: u7
/dx7ii_e1_editor/lfo_delay val: u7
/dx7ii_e1_editor/algorithm val: u7
/dx7ii_e1_editor/transpose val: u7
/dx7ii_e1_editor/pitch_mod val: u7
/dx7ii_e1_editor/pitch_mod_sens val: u7
/dx7ii_e1_editor/ampl_mod val: u7
/dx7ii_e1_editor/op1_freq_coarse val: u7
/dx7ii_e1_editor/op1_op_level val: u7
/dx7ii_e1_editor/op1_level_eg val: u7
/dx7ii_e1_editor/op1_l_depth val: u7
/dx7ii_e1_editor/op1_rate_scaling val: u7
/dx7ii_e1_editor/op1_r_depth val: u7
/dx7ii_e1_editor/op1_freq_fine val: u7
/dx7ii_e1_editor/op1_ratio_fixed val: u7
/dx7ii_e1_editor/op1_mod_sens val: u7
/dx7ii_e1_editor/op1_l_curve val: u7
/dx7ii_e1_editor/op1_breakpt val: u7
/dx7ii_e1_editor/op1_r_curve val: u7
/dx7ii_e1_editor/op1_detune val: u7
/dx7ii_e1_editor/op1_touch_sens val: u7
/dx7ii_e1_editor/op1_ampl_mod_sens val: u7
/dx7ii_e1_editor/op1_scaling_fract val: u7
/dx7ii_e1_editor/op2_detune val: u7
/dx7ii_e1_editor/op2_touch_sens val: u7
/dx7ii_e1_editor/op2_ampl_mod_sens val: u7
/dx7ii_e1_editor/op2_scaling_fract val: u7
/dx7ii_e1_editor/op2_freq_coarse val: u7
/dx7ii_e1_editor/op2_op_level val: u7
/dx7ii_e1_editor/op2_level_eg val: u7
/dx7ii_e1_editor/op2_l_depth val: u7
/dx7ii_e1_editor/op2_rate_scaling val: u7
/dx7ii_e1_editor/op2_r_depth val: u7
/dx7ii_e1_editor/op2_freq_fine val: u7
/dx7ii_e1_editor/op2_ratio_fixed val: u7
/dx7ii_e1_editor/op2_mod_sens val: u7
/dx7ii_e1_editor/op2_l_curve val: u7
/dx7ii_e1_editor/op2_breakpt val: u7
/dx7ii_e1_editor/op2_r_curve val: u7
/dx7ii_e1_editor/op3_freq_coarse val: u7
/dx7ii_e1_editor/op3_op_level val: u7
/dx7ii_e1_editor/op3_level_eg val: u7
/dx7ii_e1_editor/op3_l_depth val: u7
/dx7ii_e1_editor/op3_rate_scaling val: u7
/dx7ii_e1_editor/op3_r_depth val: u7
/dx7ii_e1_editor/op3_freq_fine val: u7
/dx7ii_e1_editor/op3_ratio_fixed val: u7
/dx7ii_e1_editor/op3_mod_sens val: u7
/dx7ii_e1_editor/op3_l_curve val: u7
/dx7ii_e1_editor/op3_breakpt val: u7
/dx7ii_e1_editor/op3_r_curve val: u7
/dx7ii_e1_editor/op3_detune val: u7
/dx7ii_e1_editor/op3_touch_sens val: u7
/dx7ii_e1_editor/op3_ampl_mod_sens val: u7
/dx7ii_e1_editor/op3_scaling_fract val: u7
/dx7ii_e1_editor/op4_detune val: u7
/dx7ii_e1_editor/op4_touch_sens val: u7
/dx7ii_e1_editor/op4_ampl_mod_sens val: u7
/dx7ii_e1_editor/op4_scaling_fract val: u7
/dx7ii_e1_editor/op4_freq_coarse val: u7
/dx7ii_e1_editor/op4_op_level val: u7
/dx7ii_e1_editor/op4_level_eg val: u7
/dx7ii_e1_editor/op4_l_depth val: u7
/dx7ii_e1_editor/op4_rate_scaling val: u7
/dx7ii_e1_editor/op4_r_depth val: u7
/dx7ii_e1_editor/op4_freq_fine val: u7
/dx7ii_e1_editor/op4_ratio_fixed val: u7
/dx7ii_e1_editor/op4_mod_sens val: u7
/dx7ii_e1_editor/op4_l_curve val: u7
/dx7ii_e1_editor/op4_breakpt val: u7
/dx7ii_e1_editor/op4_r_curve val: u7
/dx7ii_e1_editor/op5_freq_coarse val: u7
/dx7ii_e1_editor/op5_op_level val: u7
/dx7ii_e1_editor/op5_level_eg val: u7
/dx7ii_e1_editor/op5_l_depth val: u7
/dx7ii_e1_editor/op5_rate_scaling val: u7
/dx7ii_e1_editor/op5_r_depth val: u7
/dx7ii_e1_editor/op5_freq_fine val: u7
/dx7ii_e1_editor/op5_ratio_fixed val: u7
/dx7ii_e1_editor/op5_mod_sens val: u7
/dx7ii_e1_editor/op5_l_curve val: u7
/dx7ii_e1_editor/op5_breakpt val: u7
/dx7ii_e1_editor/op5_r_curve val: u7
/dx7ii_e1_editor/op5_detune val: u7
/dx7ii_e1_editor/op5_touch_sens val: u7
/dx7ii_e1_editor/op5_ampl_mod_sens val: u7
/dx7ii_e1_editor/op5_scaling_fract val: u7
/dx7ii_e1_editor/op6_detune val: u7
/dx7ii_e1_editor/op6_touch_sens val: u7
/dx7ii_e1_editor/op6_ampl_mod_sens val: u7
/dx7ii_e1_editor/op6_scaling_fract val: u7
/dx7ii_e1_editor/op6_freq_coarse val: u7
/dx7ii_e1_editor/op6_op_level val: u7
/dx7ii_e1_editor/op6_level_eg val: u7
/dx7ii_e1_editor/op6_l_depth val: u7
/dx7ii_e1_editor/op6_rate_scaling val: u7
/dx7ii_e1_editor/op6_r_depth val: u7
/dx7ii_e1_editor/op6_freq_fine val: u7
/dx7ii_e1_editor/op6_ratio_fixed val: u7
/dx7ii_e1_editor/op6_mod_sens val: u7
/dx7ii_e1_editor/op6_l_curve val: u7
/dx7ii_e1_editor/op6_breakpt val: u7
/dx7ii_e1_editor/op6_r_curve val: u7
/dx7ii_e1_editor/mono_poly val: u7
/dx7ii_e1_editor/retain_follow val: u7
/dx7ii_e1_editor/peg_range val: u7
/dx7ii_e1_editor/pb_range val: u7
/dx7ii_e1_editor/unison_detune val: u7
/dx7ii_e1_editor/porta_step val: u7
/dx7ii_e1_editor/peg_ratescaling val: u7
/dx7ii_e1_editor/pb_step val: u7
/dx7ii_e1_editor/porta_time val: u7
/dx7ii_e1_editor/peg_velsw_on val: u7
/dx7ii_e1_editor/pb_mode val: u7
/dx7ii_e1_editor/pitch_rnd val: u7
/dx7ii_e1_editor/at_pitch_rng val: u7
/dx7ii_e1_editor/mw_pitch_rng val: u7
/dx7ii_e1_editor/bc_pitch_rng val: u7
/dx7ii_e1_editor/fc1_pitch_rng val: u7
/dx7ii_e1_editor/fc2_pitch_rng val: u7
/dx7ii_e1_editor/mc_pitch_rng val: u7
/dx7ii_e1_editor/at_ampl_rng val: u7
/dx7ii_e1_editor/mw_ampl_rng val: u7
/dx7ii_e1_editor/bc_ampl_rng val: u7
/dx7ii_e1_editor/fc1_ampl_rng val: u7
/dx7ii_e1_editor/fc2_ampl_rng val: u7
/dx7ii_e1_editor/mc_ampl_rng val: u7
/dx7ii_e1_editor/at_eg_bias_rng val: u7
/dx7ii_e1_editor/mw_eg_bias_rng val: u7
/dx7ii_e1_editor/bc_eg_bias_rng val: u7
/dx7ii_e1_editor/fc1_eg_bias_rng val: u7
/dx7ii_e1_editor/fc2_eg_bias_rng val: u7
/dx7ii_e1_editor/mc_eg_bias_rng val: u7
/dx7ii_e1_editor/at_pitch_bias_rng val: u7
/dx7ii_e1_editor/bc_pitch_bias_rng val: u7
/dx7ii_e1_editor/fc1_vol_rng val: u7
/dx7ii_e1_editor/fc2_vol_rng val: u7
/dx7ii_e1_editor/mc_vol_rng val: u7
/dx7ii_e1_editor/fc1_cs1sw_on val: u7
/dx7ii_e1_editor/single_dual_split val: u7
/dx7ii_e1_editor/split_pt val: u7
/dx7ii_e1_editor/pan_eg val: u7
/dx7ii_e1_editor/slider1 val: u7
/dx7ii_e1_editor/sustainsw_on val: u7
/dx7ii_e1_editor/micro_tuning_tbl val: u7
/dx7ii_e1_editor/a_voice val: u7
/dx7ii_e1_editor/note_shift_a val: u7
/dx7ii_e1_editor/pan_mode val: u7
/dx7ii_e1_editor/slider2 val: u7
/dx7ii_e1_editor/fsw_assign val: u7
/dx7ii_e1_editor/mt_key val: u7
/dx7ii_e1_editor/b_voice val: u7
/dx7ii_e1_editor/note_shift_b val: u7
/dx7ii_e1_editor/pan_ctrl_range val: u7
/dx7ii_e1_editor/sldr_assign_sw val: u7
/dx7ii_e1_editor/fsw_on val: u7
/dx7ii_e1_editor/mt_sw_on val: u7
/dx7ii_e1_editor/dual_detune val: u7
/dx7ii_e1_editor/pan_ctrl_assign val: u7
/dx7ii_e1_editor/soft_pdl_rng val: u7
/dx7ii_e1_editor/eg_dampsw_on val: u7
/dx7ii_e1_editor/vol_balance val: u7
/dx7ii_e1_editor/perf_level val: u7

Performance MIDI

Notes, pitch bend and any CC are also available: /dx7ii_e1_editor/note/on <note> <velocity>, /dx7ii_e1_editor/cc/<number> <value>, /dx7ii_e1_editor/pitchbend <0-16383>, /dx7ii_e1_editor/program_change <n>.

Limitations

Imported from an Electra One community preset. The mapping reflects the preset author's editorial choices: parameter naming, ranges, and which params are exposed. Untested on hardware in this repo.