private void prepareAudio() {
		try {

			InputStream is = getClass().getClassLoader().getResourceAsStream("beep.wav");
			InputStream buffer = new BufferedInputStream(is);
			inputStream = AudioSystem.getAudioInputStream(buffer);
	        clip = AudioSystem.getClip();
	        clip.open(inputStream);

		} catch (Exception ex) {
			ex.printStackTrace();
	       JOptionPane.showMessageDialog(null, "Houve um problema a preparar o audio do programa!");
	    }

	}