import javax.sound.sampled.*;
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;

public class Piiks3Rakend extends Applet implements ActionListener, Runnable{
 Button nupp=new Button("Piiksu");
 Checkbox korda=new Checkbox("Korda");
 public Piiks3Rakend(){
   setLayout(new BorderLayout());
   add(nupp);
   add(korda, BorderLayout.SOUTH);
   korda.setState(true);
   nupp.addActionListener(this);
 }
 public void actionPerformed(ActionEvent e){
   new Thread(this).start();
 }
 public void run(){
  try{
   int  kandesagedus =44100;
   int  sagedus=400;
   int  mitmeBitineHeli=16;
   int  kanaliteArv=1;
   int  valjus=7000;  //max 32767
   int  nr=0; 
   byte[] andmed=new byte[5*kandesagedus*mitmeBitineHeli/8]; //5 sekundit
   while(nr<andmed.length){
     int tulemus=(int)(valjus*Math.sin(Math.PI*nr*
       Math.pow(2, 0.5*Math.sin(nr*Math.PI/andmed.length))*sagedus/kandesagedus));
     andmed[nr++]=(byte)(tulemus & 0xFF);       //viimane bait
     andmed[nr++]=(byte)(tulemus >> 8 & 0xFF);  //eelviimane bait
        }
   AudioFormat formaat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
               kandesagedus, mitmeBitineHeli, kanaliteArv, 
               kanaliteArv*mitmeBitineHeli/8, kandesagedus, false); 
   SourceDataLine line = (SourceDataLine) AudioSystem.getLine(
       new DataLine.Info(SourceDataLine.class, formaat,  AudioSystem.NOT_SPECIFIED)
   );
   line.open(formaat);
   line.start();
   do{
     line.write(andmed, 0, andmed.length);
   }while(korda.getState());
   line.close();
  }catch(Exception ex){ex.printStackTrace();}
 }
 public static void main(String[] argumendid){
   Frame f=new Frame("Piiks");
   Piiks3Rakend p=new Piiks3Rakend();
   f.add(p);
   f.setSize(200, 100);
   f.setVisible(true);
   p.actionPerformed(null);
 }
}