JASI
Beta tester Tell me when it drops

KHORLO

Underneath everything is a Karplus–Strong string model. Real plucked strings with their own pitch, damping, stiffness and decay, not samples of one.

Manipulate the 3D interface directly. It is the instrument. It gives you visual feedback of what is actually happening.

Khorlo's main view. A 3D glass cylinder carrying vertical strings inside encircling impulse rings, plucker cards down the left edge and string cards down the right.

Nine effects, each with its own display, arranged in a rack you can reorder. Every knob is a modulation target.

Khorlo's effects view. Nine effect panels — chorus, compressor, delay, saturation, equalizer, filter, flanger, phaser and reverb — each with a display above its knobs, over a row of macro and modulation controls.

A robust preset browser, filter by instrument types, characteristics or creator.

Favourite the ones you keep going back to. Organize your own folders in the User section.

Khorlo's preset browser. Four columns of named factory presets with favourite and delete controls, a folders and tags sidebar on the left, and tag filters for type and character beneath it.

No. 1 · coming soon

Take a glass cylinder. Place eight strings around it. Circle them with eight spinning impulse rings. A tone is generated when an impulse strikes a string.

And it gets weirder from there.

How it works

Imagine a glass cylinder. Up to eight strings stand around it, each parked at its own position on the circle.

Circling them are up to eight impulse rings, each spinning at a rate you choose. Where an impulse crosses a string, it plucks.

Each ring is free to ride up and down the cylinder. Height is where it grabs the string: high is bright and thin, low is dull and round.

Emergent polyrhythms at one end, resonant voices at the other, and a lot of strange in between.

Change the background, fog, and cylinder color and opacity.

A sophisticated modulation system. Six LFO/Envelope generators, eighteen expression slots and four namable macros. Almost every knob in the instrument is a destination.

Khorlo's appearance panel: colour swatches for the three background tones, the glass, the inner glow and the ripple, with sliders for warp, speed, fog, opacity and ripple amount.
The Cold Forge preset: the same instrument in magenta and deep purple.
The Juniper Smoke preset: the same instrument again in green.
Khorlo's modulation strip: four macro knobs, the eight MOD tabs, six numbered routing slots each with a source and a destination, and an envelope curve with ADSR and FREE modes.

Have a listen

Sound demos

Lo-fi beats
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Four to the floor
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Ambient
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Every sound here was made with Khorlo. No external effects — only EQ, compression and limiting on the master bus.

The deets

FormatsVST3, Audio Unit, standalone
macOS11 or later, universal binary
Windows 10 or later, 64-bit. Wants WebView2; the installer sorts it out.
Hosts64-bit only
GraphicsHardware acceleration for the 3D view. Performance mode if your laptop objects.
LicenceA licence file. No account, no activation, nothing phoning home.

Tell me when Khorlo ships

One email, when it leaves alpha.

Already testing Khorlo?

Enter the address I invited and you will be sent through to the downloads.

Enter the beta

About

JASI is the work of Aaron Jasinski. With thirty years of painting, illustration, UI/UX design and music, he builds instruments that incorporate all of it: the crossroads where image meets sound. New sounds, or fresh ways to make them.

info@jas-i.com for questions, bug reports, and requests for features.