timbre.js (also from this person) is pretty cool too.
http://mohayonao.github.io/timbre.js/
This weekend I used it to make a white noise generator for studying, etc.. http://www.noisemachine.co
This weekend I used it to make a white noise generator for studying, etc.. http://www.noisemachine.co
http://mohayonao.github.io/CoffeeCollider/