Control the Meris Hedra from your browser — full MIDI CC reference for 10 parameters, interactive editor, and AI-generated presets. Free, no install.
Nitelite gives the Hedra a full browser-based control surface: turn every knob, flip every switch, describe the tone you want to the AI Tone Terminal, and save the results — all sent to the pedal live over MIDI (default channel 1). Works free in Chrome, Edge, Opera, or Brave — no install required.
| Control | MIDI CC | Description |
|---|---|---|
| KEY | CC 16 | Selects key for diatonic harmonies; max position for chromatic shifting |
| MICRO TUNE | CC 17 | Slightly detunes all three pitch-shifted voices |
| MIX | CC 18 | Balance between dry and wet signal |
| PITCH 1 | CC 19 | Interval for the first pitch-shifted voice |
| PITCH 2 | CC 20 | Interval for the second pitch-shifted voice |
| PITCH 3 | CC 21 | Interval for the third pitch-shifted voice |
| Control | MIDI CC | Description |
|---|---|---|
| SCALE TYPE | CC 22 | Selects scale type: Major (0-11), Minor (12-37), Melodic Minor (38-58), Harmonic Minor (59-78), Double Harmonic (79-97), Lydian Pentatonic (98-119), Minor Pentatonic (120-127) |
| PITCH CORRECTION + GLIDE | CC 23 | Low values = no correction, mid-low = loose correction, mid-high = strict correction, high = pitch glide amount |
| FEEDBACK | CC 24 | Delay feedback amount — in Series modes Pitch 3 sets the loop; in Dual modes Pitch 1 and 3 both feed back |
| TIME DIVISION 1 | CC 25 | Delay time fraction for voice 1 relative to tap tempo |
| TIME DIVISION 2 | CC 26 | Delay time fraction for voice 2 relative to tap tempo |
| TIME DIVISION 3 | CC 27 | Delay time fraction for voice 3 relative to tap tempo |
| Switch | MIDI CC | Positions |
|---|---|---|
| DELAY MODE | CC 29 | Series + Pitch Fdbk / Series / Dual + Cross Fdbk / Dual |
| PITCH CONTROL SMOOTHING | CC 30 | Off / On |
| VOLUME SWELL | CC 31 | Off / On |
| HALF SPEED | CC 9 | Normal / Half |
The Hedra has 16 hardware preset slots. Nitelite can save your current settings to a slot and recall slots via MIDI program change.