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A synth that plays the periodic table.
COLAPSO isn't a synth you program. It's one you explore. Pick an element, excite it, and see what it gives back: tones that sit between instrument and phenomenon, and never quite settle twice.
COLAPSO is an additive synthesizer whose harmonic content is measured. Pick an element and its emission lines become the partials of the note you play.
It is a sonic interpretation of the uncertainty principle. A sound can be precise in time or precise in pitch, never both, and one control, Observation, decides which. Whatever you don't measure, you hear blur.
Features
- 22 elements of the periodic table, 422 measured emission lines
- Sixteen partials per voice, per oscillator, their frequencies taken from an element's real spectral lines and their decay times from the measured transition probabilities
- Observation moves along the Gabor limit, the signal-processing twin of the uncertainty principle; Planck sets how blurry the universe is at its best
- Lifetimes, level populations, ionisation and cascade are what the controls actually move, and they behave the way the phenomena do
- MPE support: per-note pitch bend, pressure and CC74 from controllers like the ROLI Seaboard or LinnStrument
- Unlimited-time demo with every parameter unlocked (a short noise burst every 60 seconds and saving disabled until licensed)
- Up to 5 computers per licence
- VST, VST3, AU and Standalone
- macOS 13 or higher: AU, VST3, VST and Standalone. Apple Silicon native (universal binary).
- Windows 10 or higher: 64-bit VST / VST3 host, or the Standalone app.


















