• Ghostlight plugin panel
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By UDi DSP

Ghostlight

Ghostlight

$23.40
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A reverb whose four decay bands swell toward what's loud in your source, or invert to reveal what isn't — the reactive engine at the centre of Ghostlight Pro, on its own.

Highlights

Reactive spectral decay
One bipolar control, two different instruments. Bloom rings the loud bands longer; Ghost dies them fast and lets what's hidden ring on instead.
Zero added latency
The entire spectral analysis runs side-chain. Reported latency is 0 samples.
Freeze, and play into it
Holds the tank indefinitely for pads and live layering, while new input ducks quietly underneath rather than piling on top.
Same trusted core as Ghostlight Pro
An 8-line Hadamard-mixed FDN, modulated and diffused inside the feedback loop — the exact same reverb core Ghostlight Pro is built on, not a cut-down version of it.
Kill the tail
A small stop button beside Decay empties the reverb in 10 ms, without a click, so a long decay doesn't have to ring out every time you try a setting. Automatable — and an optional menu setting does it on every preset change.
Lock the mix while you audition
A padlock beside Mix holds Mix, In and Out through every preset change, so each preset is heard at your blend and level rather than its own. Saved with the session, per instance.

Bipolar, and it's two different instruments

Centred at 0, the spectral engine is exactly neutral and Ghostlight behaves as a plain — but high-quality — reverb.

A display that shows the reverb

A continuous cloud shows the reverb's real wet spectrum, live — so the display means something even when the spectral engine is neutral. Bars grow up in amber when a band rings longer than your Decay setting, down in cyan when it dies faster — logarithmic, so ×2 and ÷2 are equal and opposite. At Bias 0 every bar sits flat — the display goes quiet exactly when the feature is off, but the cloud keeps showing you the reverb itself.

Specifications

Engine
8-line FDN, Hadamard mixing, Lagrange-interpolated modulated delays
Bands
4-band decay, fixed crossovers at 300 Hz / 1.2 kHz / 4.8 kHz
Spectral analysis
1024-point FFT, Hann window, 50% overlap, side-chain only
Latency
0 samples
Validation
pluginval strictness 10, clean
Licensing
Free UDI DSP account, one-time online activation — no subscription, works offline for a week between checks
Footprint
Lightweight binary, zero background services or daemons

Compatibility

  • Windows: Windows 10 or 11, 64-bit. Plugin formats: VST3 and AAX.
  • macOS: macOS 11 (Big Sur) or later, on Apple silicon (M1 or later). Plugin formats: AU, VST3 and AAX.
  • Internet needed once, briefly, to activate (a short browser sign-in). Day-to-day use after that works offline for up to a week between checks.
  • Validated in Cubase Pro, Avid Pro Tools, Apple Logic Pro, Reaper, Waveform and FL Studio.
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