// What it does

The deep engine.

ORBIT is the flagship: a full binaural spatial engine. Place a sound anywhere in 3D, set it orbiting, or fly it past with real Doppler. Headphones or speakers — always mono-safe.

The radar

Drag to place the source in 3D — angle and distance. The whole field on one screen.

Doppler

Bends the orbit eccentric: the source flies close then far, pitch rising and falling. A real fly-by.

Rate / Speed

Free, tempo-synced (1/4–1 bar), or Fixed placement. The orbit follows your track.

Chaos

Erratic, alien motion — darting speed and azimuth wobble.

Width / Room

Ear-shadow width plus decorrelated early reflections that push the sound outside your head.

Output / In Phase

Headphones or speakers (crosstalk-cancelled). IN PHASE guarantees mono.

// The physics

Real binaural, measured.

ORBIT is the conservative, pure binaural core — no tricks, just acoustics.

Binaural HRIR

A variable-position HRIR spatializer: two bracketing voices crossfade with fractional-delay ITD, so the source moves without clicks.

Near-field

Under a meter, Duda–Martens proximity: bass bloom and asymmetric ear-shadow. The source gets intimate.

Real Doppler

Pitch emerges from propagation delay — zero latency, no pitch-shifter.

Externalization

Early reflections (Room) lower interaural coherence, so sound leaves your head.

Speakers (RACE)

Crosstalk cancellation for speakers, latency-free; IN PHASE drops it for mono.

True-peak safe

Stereo-linked peak limiter — never clips, never breaks the image (measured true-peak ≈ −1.2 dBFS).

Formats: VST3 · AU Systems: macOS · Windows Build: Universal (Apple Silicon + Intel) Engine: Zero latency · lightweight License: AGPLv3 · open-source

ORBIT is free. And open.

ORBIT on its own, ready to go — the Mac installer (VST3 + AU, universal, macOS 11+) drops it straight into your plug-in folders: double-click, done. On Windows: VST3 (64-bit, 10+) as a ZIP.

Download ORBIT — Mac ↓ ORBIT — Windows ↓ Read the manual → Technical sheet (PDF) ↓ Source on GitHub ↗

Want the whole catalog? All 7 in one installer ↓

Free and open-source (AGPLv3) · VST3 · AU · macOS universal · Windows (VST3)

First time — macOS: the installer is unsigned; if Gatekeeper blocks it, right-click → Open (macOS ≤ 14) or System Settings → Privacy & Security → "Open Anyway" (macOS 15+). Windows: unblock the ZIP before extracting, then copy the .vst3 folder to Program Files\Common Files\VST3.