Observed arrival · 2026-09-10
Quiet FX, for interfaces that prefer a softer sound
An open-source library and studio for shaping gentle UI sound effects, with 72 sounds and 432 variations.
Field notes
Quiet FX combines a browser-facing sound studio with an installable JavaScript library. Its homepage describes 72 cues expanded into 432 variations, with controls for musical key, mode, voice, softness, brightness, duration, texture, and seed. The displayed integration example uses CUES, makePatch, renderPatch, and SoundPlayer, and includes lifecycle handling for stopping playback, enabling audio, and disposing the audio context. The project identifies itself as MIT licensed and points visitors to GitHub.
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