src/windows/MediaProxy.js
function(win, lose, args) {
        var id = args[0];
        var milliseconds = args[1];
        var thisM = Media.get(id);
        try {
            thisM.node.currentTime = milliseconds / 1000;
            win(thisM.node.currentTime);
        } catch (err) {
            lose("Failed to seek: "+err);
        }
    }
function(win, lose, args) {
        var id = args[0];
        var milliseconds = args[1];
        var thisM = Media.get(id);
        try {
            thisM.node.currentTime = milliseconds / 1000;
            win(thisM.node.currentTime);
        } catch (err) {
            lose("Failed to seek: "+err);
        }
    }
Seeks to the position in the audio