Control the Universal Audio Astra from your browser — full MIDI CC reference for 7 parameters, interactive editor, and AI-generated presets. Free, no install.
Nitelite gives the Astra 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 |
|---|---|---|
| RATE | CC 23 | Modulation rate / LFO speed. Slower on the left, faster on the right. Meaning varies per mode (chorus speed / flanger sweep rate / tremolo rate). |
| DEPTH | CC 24 | Modulation depth. Meaning varies per mode (chorus/vibrato depth / flanger sweep range / tremolo intensity). |
| MIX | CC 22 | Dry/wet blend between the dry signal and the modulated signal. |
| COLOR | CC 26 | Mode-dependent coloration. Chorus Brigade: BBD tone / saturation. Flanger: feedback/resonance. Trem 65: waveform shape. |
| SHAPE | CC 27 | Mode-dependent LFO shape or secondary modulation parameter. |
| Switch | MIDI CC | Positions |
|---|---|---|
| MODE | CC 18 | Chorus Brigade / Flanger Doubler / Trem 65 |
| VARIANT | CC 17 | A / B |
The Astra has 128 hardware preset slots. Nitelite can save your current settings to a slot and recall slots via MIDI program change.