interface.js user interface plus gibberish.js audio engine.
By Charlie Roberts
https://github.com/charlieroberts/gibberface
Audio example of XY controller to contol pitch and pulsewidth of oscillators (pictured above).
Local clone: tkzic/gibberface – WIth a local web server running in tkzic. Here is a typical URL for testing: http://127.0.0.1:8000/gibberface/index.html