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David Ibia
5805f45358
sfx is a single-file uv script that synthesises sounds from sine partials and seeded noise, so its output contains no samples, SoundFonts or model output, renders without a network once uv has installed numpy and mido, and comes out byte-identical on every run. Each sound in a recipe is normalised to a target loudness (ITU-R BS.1770, default -26 LUFS, the level of the macOS Glass alert) and written as WAV, with optional MP3 through ffmpeg and a MIDI file of the same notes. Unknown keys and bad note names stop the render with an error naming the table. The new sound-design skill documents the recipe format and how to design notification sounds; link-ai-configs.sh links it for omo and Claude Code.