Audio's Constructor

public Audio(String key, String url) {
    this.key = key;
    this.url = url;
    doneLoading = false;
    load();
}


public void load() {
    H5EResourceManager.loadAudioFileJS(this.getURL(), new Callback() {
        @Override
        public void call(ArrayBuffer buffer) {
            H5EResourceManager.log("Done Loading.");
            Audio.this.buffer = buffer;
            doneLoading = true;
        }
    });
}