Ukulele Hero
summary
A browser game uses a real ukulele as controller and stitches together Web Audio API + getUserMedia to detect notes; it pre-analyzes songs with OfflineAudioContext (60s buffer, 44,100 Hz) and feeds an AnalyzerNode with FFT size 496 into a ScriptProcessorNode, producing 161-bin Uint8 arrays (values 1–255). Pitch comes from an autocorrelation detector (Chris Wilson code), chord-change events drive scoring by percent, and the stage demo mostly fails in Chrome but runs in Firefox.
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