MAIA Util: An NPM Package for Bridging Web Audio with Music-theoretic Concepts

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" summary

MAIA Util is an NPM package that puts concrete music-theory tools into Web Audio projects: it performs symbolic time conversions across changing time signatures, uses external multi-f0 tracking (Krebs / Hawthorne) plus beat estimation to quantize audio to MIDI, and offers pitch spelling via morphetic pitch numbers and instantaneous key estimation. It underpins a web DAW called Jam used in user experiments (processed offline from Free Music Archive material), the demos work but live Chrome playback showed context bugs.

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" chapters (4)

1. 0:00Start
2. 2:45Motivation
3. 13:20Symbolic Time Conversions
4. 19:08Instantaneous Key Estimation and Visualization

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