Mozilla planning to release Firefox 24 for Windows and Android with Web Audio support. Web Audio API already implemented in Firefox Nightly and Aurora channels and Mozilla currently offers basic support for this API on these channels. With Web Audio, developers can able to create music apps and games. Google Chrome is the first browser that has Web Audio API implemented.
What is Web Audio API?
Web Audio API supported browsers
At present Webkit based browsers like Opera, Safari and Google Chrome ( since Blink is also based on Webkit) supports Web Audio API, Internet Explorer is not.
Via [Mozilla Hacks].