Show HN: Rill Sound – Four Generative Instruments for Stack S3

Category: other

Tags: embedded, audio-synthesis, generative-music, esp32, formant-synthesis

Score: 6.5/10 (Innovation: 7, Technical: 8, Documentation: 7, Utility: 4)

Rill Voice is a generative vocal synthesizer firmware for the M5Stack StickS3 that composes evolving melodies with six synthesized singers and synchronized visual animations. It features formant synthesis, ESP-NOW ensemble synchronization with other Rill devices, and a custom composer shared across the Rill family. The project is notable for its creative combination of embedded audio synthesis, real-time graphics, and multi-device musical collaboration.

Target audience: embedded developers, audio hobbyists, music technologists, creative coders

Repository: https://rillsound.com/ · C++ · GPL-3.0 · 1 stars

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