// Create a player.
var player = videojs(‘my-player’);

// Create a track object.
var track = new videojs.AudioTrack({
id: ‘mp4-A1’,
label: ‘track1’
});

// Add the track to the player’s audio track list.
player.audioTracks().addTrack(track);

// Get the current player’s AudioTrackList object.
var audioTrackList = player.audioTracks();

// Listen to the “change” event.
audioTrackList.addEventListener(‘change’, function() {

// Log the currently enabled AudioTrack label.
for (var i = 0; i < audioTrackList.length; i++) { var track = audioTrackList[i]; if (track.enabled) { videojs.log(track.label); return; } } });