Incarcă audio in applet

import java.applet.*;
import java.awt.*;
public class index extends Applet implements Runnable{
AudioClip sunetFundal;
AudioClip bip;
Thread executabil;
public void start(){
if(executabil==null){
executabil=new Thread(this);
executabil.start();
}
}
public void stop(){
if(executabil !=null){
if(sunetFundal !=null)
sunetFundal.stop();
executabil=null;
}
}
public void init(){
sunetFundal=getAudioClip(getCodeBase(),"asd.wav");
bip=getAudioClip(getCodeBase(),"beep.au");
}
public void run(){
if(sunetFundal !=null)
sunetFundal.loop();
Thread firExecutie=Thread.currentThread();
while(executabil == firExecutie){

try{
Thread.sleep(5000);
}
catch(InterruptedException e){}
if(bip != null)
bip.play();
}
}
public void paint(Graphics g){
g.drawString("Redare sunet...",23,23);
}
}