Cordova sound notification

function onNotification(e) {
    switch( e.event ) {
        case 'message':
        playAudio(e.soundname);
        break;
    }
}

//-------------------------------------Cordova Audio/Sound functions--------------------------
function playAudio(src) {
    src = '/android_asset/www/audio/'+src;
    var media_val = new Media(src,
        // success callback
        function() {
            console.log("playAudio():Audio Success");
        },
        // error callback
        function(err) {
            console.log("playAudio():Audio Error: "+err);
        }
    );

    media_val.play();
};