Explore the fascinating world of browser-based audio synthesis in this JSConf US 2015 talk by Steve Kinney. Dive into the Web Audio API and learn how to create, process, and control audio directly in your web browser. Discover how to build unique musical instruments by combining audio contexts, oscillators, and various Web APIs. Gain insights into fundamental audio and music concepts while exploring creative applications of browser technologies. From face-controlled theremins to step sequencers, uncover the potential of turning your browser into a powerful musical instrument.