SoundListener l = audioUtil.getListener();
l.setGain(1);
AudioBuffer b = audioUtil.loadBuffer("test/phone_ulaw.wav");
int delay = b.getSampleSize() * 1000 / b.getFrequency();
System.out.println(b + " length=" + delay);
if (b.convertUlawToPCM(false)) {
AudioSource src = audioUtil.generateSource();
src.setBuffer(b);
src.play();
} else {
System.out.println("couldn't convert buffer data");