Is it possible to make multiple audio tracks in html5 video player?

Question

JavaScript

Good evening.
Is it possible in html5 video player (like videojs.com) to switch multiple audio tracks for one video file?

Answer 1

gingertech.net/2011/05/01/html5-multi-track-audio-...
www.whatwg.org/specs/web-apps/current-work/multipa...

Answer 2

Nothing is impossible in our profession. Of course it is possible! But it's difficult.
There is already an mp3 decoder in the browser, flac and other formats. So several audio tracks are not a difficult task.