A JavaScript library for creating web-based MIDI applications with soundfont support, synesthesia, and audio effects.
MIDI.js is a JavaScript library designed to create MIDI applications in the web browser. It provides tools for loading and playing soundfonts, parsing MIDI files, and applying audio effects, solving the challenge of integrating professional-grade music synthesis and playback into web projects.
Web developers and creative coders building interactive music applications, educational tools, or audio-visual experiences in the browser.
Developers choose MIDI.js for its comprehensive feature set, including multi-instrument support, soundfont conversion, and built-in synesthesia capabilities, which streamline the development of complex web-based MIDI applications without requiring deep audio programming expertise.
:musical_keyboard: Making life easy to create a MIDI-app on the web. Includes a library to program synesthesia into your app for memory recognition or for creating trippy effects. Convert soundfonts for Guitar, Bass, Drums, ect. into code that can be read by the browser. Supports multiple simultaneous instruments and perfect timing.
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Converts and loads instrument soundfonts for realistic browser playback, with pre-rendered options available for quick setup, as seen in the related repositories like midi-js-soundfonts.
Parses standard MIDI files with full control over play, pause, resume, and stop via MIDI.Player.js, enabling complex musical sequences without low-level coding.
Includes note-to-color mapping libraries for creating audio-visual effects, demonstrated in demos like the Whitney MusicBox and Color Piano.
Leverages Tuna.js to apply real-time effects such as filters, chorus, and delay, with detailed configuration examples provided in the README.
Relies heavily on Tuna.js for audio effects and other scripts like jasmid, increasing setup complexity and potential compatibility issues with modern web projects.
Loading multiple soundfonts can be resource-intensive, leading to high memory usage and slower initial load times, especially on mobile or low-bandwidth connections.
The project shows signs of being less maintained, with dependencies on older libraries and infrequent updates, which could pose risks for long-term support.