Observed arrival · 2026-08-26
Sympiano Turns a Grand Piano into a Reverb
A free AU/VST3 audio plugin models 230 piano strings resonating sympathetically with whatever music you feed it.
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Field notes
The plugin routes incoming audio through a digital-waveguide model in which each of 230 strings has its own resonant behavior, including inharmonicity and bridge coupling. MIDI dampers can limit resonance to held notes, while a root and one of 21 scales provide a MIDI-free alternative. The page also lists separate grand and upright models, a movable virtual piezo, and macOS and Windows installers alongside manual zip packages.
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