physical-instruments.js

Physical modeling of 29 instruments for the browser.

open-source library2026-07-30

subtractive-synthesizers.js

A browser subtractive synthesizer: filters shape a raw oscillator or noise source, 41 curated patches.

open-source library2026-08-02

fm-synthesizers.js

A browser FM synthesizer: four operators modulate each other's frequency, 19 curated patches.

open-source library2026-08-03

additive-synthesizers.js

A browser additive synthesizer: timbre built by summing up to 32 independent sine partials, 32 curated patches.

open-source library2026-08-04

Beetbox Eval Arena

Coding agents were each given the same drum-sequencer reference and asked to rebuild it. Play any two against each other, or against the original.

experiment2026

Kapre

Audio preprocessing as Keras layers. STFT, melspectrogram and friends compute on the GPU inside your model, so training and serving run the same graph instead of two that drift apart.

open-source library2016–present

Music Classification Tutorial

A web book on music classification beyond supervised learning, written with co-authors and taught as the ISMIR 2021 tutorial.

web book2021

LLMs <3 MIR Tutorial

A web book on large language models for music information retrieval, written after a year of building with them and suffering from them.

web book2023