Applet Programming With the Java™ Sound API

Florian Bomers
Software Engineer

Matthias Pfisterer
Software Engineer
itservices Pfisterer

Overall Presentation Goal

Learn how to create applets that use the
Java™ Sound API for recording and playing
audio data
Get an overview of the possibilities and limits
when deploying sound enabled applets

Learning Objectives


As a result of this presentation, you will
know how to
– Play and record streamed audio data
– Encode and decode to ....etc

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java applet

Applet is

java program that can be embedded into HTML pages
Java applets runs on the java enables web browsers such as mozila and internet explorer. Applet is designed to run remotely on the client browser . Applets are used to make the web site more dynamic and entertaining.
Advantages of Applet  
Applets are cross platform and can run on Windows, Mac OS and Linux platform
Applets can work all the version of Java Plugin
Applets runs in a sandbox, so the user does not need to trust the code ....etc

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Pls provide me with vhdl codes for autocorrelation as soon as possible ....etc

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Procedure:-
1. Read the input sequence
2. Autocorrelate the signal using xcorr(x,x)
3. Display the Autocorrelation result in suitable axis
4. verify the correlation property:Rxx(0)=energy(x)
5. verify the property :Rxx is an even function
MATLAB program for autocorrelation
clear
clc
close all

% READ THE INPUT SIGNAL
x = ;
%Define the axis
n = 0:1:length(x)-1;
% PLOT THE SIGNAL
subplot(2,1,1);
stem(n,x);
xlabel('n--->');
ylabel('x--->');
title('sequence x');
grid on;

% AUTOCORRELATE THE S ....etc

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import java.awt.*;
import java.net.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.io.*;

public class AppletToServlet extends Applet implements ActionListener
{
TextField userName;
Button bnSubmit;
String str = Still no output;
public void init()
{
userName = new TextField(20);
bnSubmit = new Button(Submit);
add(North, userName);
add(South,bnSubmit);
bnSubmit.addActionListener(this);
setBackground(Color.red);
}

public void actionPerformed(ActionEvent e)
....etc

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import java.applet.*;
import java.awt.*;
import java.util.*;
import java.awt.event.*;

//

public class Face extends Applet
{

public void init()
{
setBackground(Color.red);
setForeground(Color.green);
}

public void paint(Graphics g)
{
Font f=new Font(Arial,Font.BOLD,20);
g.setFont(f);
g.drawOval(40,40,120,150);
g.drawOval(57,75,30,20);
g.drawOval(110,75,30,20);//eye
g.f ....etc

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audio applet or swing based application to play, pause and stop options

• An applet is created. An applet will show three buttons-play, loop and stop.
• Whenever user clicks on play button an audio file with .wav extension starts playing.
• Whenever user clicks on loop button, same audio file will be played again and again.
• User can click on stop button to stop the audio file.

SOURCE CODE

import java.io.*;
import java.sql.*;
import javax.swing.*;
import javax.media.*;
import java.awt.*; ....etc

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import java.awt.*;
import java.applet.*;
import java.awt.event.*;

/*


*/

class SampleFrame extends Frame
{
SampleFrame(String title)
{
super(title);
MyWindowAdapter adapter = new MyWindowAdapter(this);
addWindowListener(adapter);
}
public void paint(Graphics g)
{
g.drawString(This is in Frame Window, 10,100);
}
}

class MyWindowAdapter extends Win ....etc

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import java.awt.*;
import java.applet.*;
//
public class Movingb extends Applet implements Runnable
{
String s=MOVING BANNER;
Thread t=null;
boolean flag;
public void init()
{
setBackground(Color.red);
setForeground(Color.blue);
}
public void start()
{
t=new Thread(this);
flag=false;
t.start();
}
public void run()
{
char ch;
for(; ;)
try
{
repaint();
Thread.sleep(1000);
ch=s.charAt(0);
s=s.substring(1,s.length());
s=s+ch;
if(flag==true)
break;
}
catch(In ....etc

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matlab code for gender recognition applications using autocorrelation method ....etc

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