The problem at the moment is that the web audio API is not supported on mobile devices other than iOS 6 +
Check it out: http://caniuse.com/#feat=audio-api
This API is the basis for creating an audio visualizer.
If you work with Phonegap, you can make part of the web application and part of the visualizer native and use ir as the Phonegap plugin. It is justified, it depends on how much% of the application is the visualizer.
fernandopasik
source share