好人做到底，再帖一个javax.sound.sampled的例子吧：/* * @(#)JavaSound.java 1.15 00/01/31 * * Copyright (c) 1999 Sun Microsystems, Inc. All Rights Reserved. * * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use, * modify and redistribute this software in source and binary code form, * provided that i) this copyright notice and license appear on all copies of * the software; and ii) Licensee does not utilize the software in a manner * which is disparaging to Sun. * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. * * This software is not designed or intended for use in on-line control of * aircraft, air traffic, aircraft navigation or aircraft communications; or in * the design, construction, operation or maintenance of any nuclear * facility. Licensee represents and warrants that it will not use or * redistribute the Software for such purposes. */ import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.border.*; import java.io.File; import java.util.Vector; import javax.sound.sampled.*; import javax.sound.midi.*; /** * The Java Sound Samples : MidiSynth, Juke, CapturePlayback, Groove. * * @version @(#)JavaSound.java 1.15 00/01/31 * @author Brian Lichtenwalter */ public class JavaSound extends JPanel implements ChangeListener, Runnable { Vector demos = new Vector(4); JTabbedPane tabPane = new JTabbedPane(); int width = 760, height = 500; int index; public JavaSound(String audioDirectory) { setLayout(new BorderLayout()); JMenuBar menuBar = new JMenuBar();
if (JavaSoundApplet.applet == null) { JMenu fileMenu = (JMenu) menuBar.add(new JMenu("File")); JMenuItem item = (JMenuItem) fileMenu.add(new JMenuItem("Exit")); item.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } }); } JMenu options = (JMenu) menuBar.add(new JMenu("Options")); JMenuItem item = (JMenuItem) options.add(new JMenuItem("Applet Info")); item.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { showInfoDialog(); } }); add(menuBar, BorderLayout.NORTH); tabPane.addChangeListener(this); EmptyBorder eb = new EmptyBorder(5,5,5,5); BevelBorder bb = new BevelBorder(BevelBorder.LOWERED); CompoundBorder cb = new CompoundBorder(eb,bb); JPanel p = new JPanel(new BorderLayout()); p.setBorder(new CompoundBorder(cb,new EmptyBorder(0,0,90,0))); final Juke juke = new Juke(audioDirectory); p.add(juke); demos.add(juke); tabPane.addTab("Juke Box", p); new Thread(this).start(); add(tabPane, BorderLayout.CENTER); } public void stateChanged(ChangeEvent e) { close(); System.gc(); index = tabPane.getSelectedIndex(); open(); } public void close() { ((ControlContext) demos.get(index)).close(); } public void open() { ((ControlContext) demos.get(index)).open(); } public Dimension getPreferredSize() { return new Dimension(width, height); } public static void showInfoDialog() { final String msg = "When running the Java Sound demo as an applet these permissions\n" + "are necessary in order to load/save files and record audio : \n\n"+ "grant { \n" + " permission java.io.FilePermission \"<<ALL FILES>>\", \"read, write\";\n" + " permission javax.sound.sampled.AudioPermission \"record\"; \n" + " permission java.util.PropertyPermission \"user.dir\", \"read\";\n"+ "}; \n\n" + "The permissions need to be added to the .java.policy file."; new Thread(new Runnable() { public void run() { JOptionPane.showMessageDialog(null, msg, "Applet Info", JOptionPane.INFORMATION_MESSAGE); } }).start(); } /** * Lazy load the tabbed pane with CapturePlayback, MidiSynth and Groove. */ public void run() { EmptyBorder eb = new EmptyBorder(5,5,5,5); BevelBorder bb = new BevelBorder(BevelBorder.LOWERED); CompoundBorder cb = new CompoundBorder(eb,bb); JPanel p = new JPanel(new BorderLayout()); p.setBorder(new CompoundBorder(cb,new EmptyBorder(0,0,90,0))); CapturePlayback capturePlayback = new CapturePlayback(); demos.add(capturePlayback); p.add(capturePlayback); tabPane.addTab("Capture/Playback", p); MidiSynth midiSynth = new MidiSynth(); demos.add(midiSynth); tabPane.addTab("Midi Synthesizer", midiSynth); p = new JPanel(new BorderLayout()); p.setBorder(new CompoundBorder(cb,new EmptyBorder(0,0,5,20))); Groove groove = new Groove(); demos.add(groove); p.add(groove); tabPane.addTab("Groove Box", p); } public static void main(String[] args) { try { if (MidiSystem.getSequencer() == null) { System.err.println("MidiSystem Sequencer Unavailable, exiting!"); System.exit(1); } else if (AudioSystem.getMixer(null) == null) { System.err.println("AudioSystem Unavailable, exiting!"); System.exit(1); } } catch (Exception ex) { ex.printStackTrace(); System.exit(1); } String media = "./audio"; if (args.length > 0) { File file = new File(args[0]); if (file == null && !file.isDirectory()) { System.out.println("usage: java JavaSound audioDirectory"); } else { media = args[0]; } } final JavaSound demo = new JavaSound(media); JFrame f = new JFrame("Java Sound Demo"); f.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) {System.exit(0);} public void windowDeiconified(WindowEvent e) { demo.open(); } public void windowIconified(WindowEvent e) { demo.close(); } }); f.getContentPane().add("Center", demo); f.pack(); Dimension d = Toolkit.getDefaultToolkit().getScreenSize(); f.setLocation(d.width/2 - demo.width/2, d.height/2 - demo.height/2); f.setSize(new Dimension(demo.width, demo.height)); f.setVisible(true); } }
再帖一个例子代码，从java.sun.com那里下的：import java.applet.AudioClip;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.URL;
import java.net.MalformedURLException;
import java.awt.GridBagLayout;public class SoundApplication extends JPanel
implements ActionListener,
ItemListener {
SoundList soundList;
String auFile = "spacemusic.au";
String aiffFile = "flute+hrn+mrmba.aif";
String midiFile = "trippygaia1.mid";
String rmfFile = "jungle.rmf";
String wavFile = "bottle-open.wav";
String chosenFile;
AudioClip onceClip, loopClip;
URL codeBase; JComboBox formats;
JButton playButton, loopButton, stopButton;
JLabel status;
boolean looping = false; public SoundApplication() {
String [] fileTypes = {auFile,
aiffFile,
midiFile,
rmfFile,
wavFile};
formats = new JComboBox(fileTypes);
formats.setSelectedIndex(0);
chosenFile = (String)formats.getSelectedItem();
formats.addItemListener(this); playButton = new JButton("Play");
playButton.addActionListener(this); loopButton = new JButton("Loop");
loopButton.addActionListener(this); stopButton = new JButton("Stop");
stopButton.addActionListener(this);
stopButton.setEnabled(false);
status = new JLabel(
"Click Play or Loop to play the selected sound file.");
JPanel controlPanel = new JPanel();
controlPanel.add(formats);
controlPanel.add(playButton);
controlPanel.add(loopButton);
controlPanel.add(stopButton);
JPanel statusPanel = new JPanel();
statusPanel.add(status);
add(controlPanel);
add(statusPanel); startLoadingSounds();
} public void itemStateChanged(ItemEvent e){
chosenFile = (String)formats.getSelectedItem();
soundList.startLoading(chosenFile);
} void startLoadingSounds() {
//Start asynchronous sound loading.
try {
codeBase = new URL("file:" + System.getProperty("user.dir") + "/");
} catch (MalformedURLException e) {
System.err.println(e.getMessage());
}
soundList = new SoundList(codeBase);
soundList.startLoading(auFile);
soundList.startLoading(aiffFile);
soundList.startLoading(midiFile);
soundList.startLoading(rmfFile);
soundList.startLoading(wavFile);
} public void stop() {
onceClip.stop(); //Cut short the one-time sound.
if (looping) {
loopClip.stop(); //Stop the sound loop.
}
} public void start() {
if (looping) {
loopClip.loop(); //Restart the sound loop.
}
} public void actionPerformed(ActionEvent event) {
//PLAY BUTTON
Object source = event.getSource();
if (source == playButton) {
//Try to get the AudioClip.
onceClip = soundList.getClip(chosenFile);
stopButton.setEnabled(true);
onceClip.play(); //Play it once.
status.setText("Playing sound " + chosenFile + ".");
if (onceClip == null) {
status.setText("Sound " + chosenFile + " not loaded yet.");
}
return;
} //START LOOP BUTTON
if (source == loopButton) {
loopClip = soundList.getClip(chosenFile); looping = true;
loopClip.loop(); //Start the sound loop.
loopButton.setEnabled(false); //Disable start button.
stopButton.setEnabled(true);
status.setText("Playing sound " + chosenFile + " continuously.");
if (loopClip == null) {
status.setText("Sound " + chosenFile + " not loaded yet.");
}
return;
} //STOP LOOP BUTTON
if (source == stopButton) {
if (looping) {
looping = false;
loopClip.stop(); //Stop the sound loop.
loopButton.setEnabled(true); //Enable start button.
} else if (onceClip != null) {
onceClip.stop();
}
stopButton.setEnabled(false);
status.setText("Stopped playing " + chosenFile + ".");
return;
}
} public static void main(String s[]) {
WindowListener l = new WindowAdapter() {
public void windowClosing(WindowEvent e) {System.exit(0);}
};
JFrame f = new JFrame("SoundApplication");
f.addWindowListener(l);
f.getContentPane().add(new SoundApplication());
f.setSize(new Dimension(400,100));
f.show();
}
}
上面的例子没有用javax.sound下的包，因为applet可以支持wav文件的播放，所以可以直接用它的java.applet.audioclip.*包。这也可以在application中使用，我说过了，没错吧。如果想提供很精细、复杂的声音、视频等支持，可以用JMF，这个就不是一两句话能说完的了，你可以去java.sun.com/products/jmf看看。
* @(#)JavaSound.java 1.15 00/01/31
*
* Copyright (c) 1999 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import java.io.File;
import java.util.Vector;
import javax.sound.sampled.*;
import javax.sound.midi.*;
/**
* The Java Sound Samples : MidiSynth, Juke, CapturePlayback, Groove.
*
* @version @(#)JavaSound.java 1.15 00/01/31
* @author Brian Lichtenwalter
*/
public class JavaSound extends JPanel implements ChangeListener, Runnable { Vector demos = new Vector(4);
JTabbedPane tabPane = new JTabbedPane();
int width = 760, height = 500;
int index;
public JavaSound(String audioDirectory) { setLayout(new BorderLayout()); JMenuBar menuBar = new JMenuBar();
if (JavaSoundApplet.applet == null) {
JMenu fileMenu = (JMenu) menuBar.add(new JMenu("File"));
JMenuItem item = (JMenuItem) fileMenu.add(new JMenuItem("Exit"));
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { System.exit(0); }
});
}
JMenu options = (JMenu) menuBar.add(new JMenu("Options"));
JMenuItem item = (JMenuItem) options.add(new JMenuItem("Applet Info"));
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) { showInfoDialog(); }
});
add(menuBar, BorderLayout.NORTH); tabPane.addChangeListener(this); EmptyBorder eb = new EmptyBorder(5,5,5,5);
BevelBorder bb = new BevelBorder(BevelBorder.LOWERED);
CompoundBorder cb = new CompoundBorder(eb,bb);
JPanel p = new JPanel(new BorderLayout());
p.setBorder(new CompoundBorder(cb,new EmptyBorder(0,0,90,0)));
final Juke juke = new Juke(audioDirectory);
p.add(juke);
demos.add(juke);
tabPane.addTab("Juke Box", p); new Thread(this).start(); add(tabPane, BorderLayout.CENTER);
}
public void stateChanged(ChangeEvent e) {
close();
System.gc();
index = tabPane.getSelectedIndex();
open();
}
public void close() {
((ControlContext) demos.get(index)).close();
}
public void open() {
((ControlContext) demos.get(index)).open();
}
public Dimension getPreferredSize() {
return new Dimension(width, height);
}
public static void showInfoDialog() {
final String msg =
"When running the Java Sound demo as an applet these permissions\n" +
"are necessary in order to load/save files and record audio : \n\n"+
"grant { \n" +
" permission java.io.FilePermission \"<<ALL FILES>>\", \"read, write\";\n" +
" permission javax.sound.sampled.AudioPermission \"record\"; \n" +
" permission java.util.PropertyPermission \"user.dir\", \"read\";\n"+
"}; \n\n" +
"The permissions need to be added to the .java.policy file.";
new Thread(new Runnable() {
public void run() {
JOptionPane.showMessageDialog(null, msg, "Applet Info", JOptionPane.INFORMATION_MESSAGE);
}
}).start();
} /**
* Lazy load the tabbed pane with CapturePlayback, MidiSynth and Groove.
*/
public void run() {
EmptyBorder eb = new EmptyBorder(5,5,5,5);
BevelBorder bb = new BevelBorder(BevelBorder.LOWERED);
CompoundBorder cb = new CompoundBorder(eb,bb);
JPanel p = new JPanel(new BorderLayout());
p.setBorder(new CompoundBorder(cb,new EmptyBorder(0,0,90,0)));
CapturePlayback capturePlayback = new CapturePlayback();
demos.add(capturePlayback);
p.add(capturePlayback);
tabPane.addTab("Capture/Playback", p); MidiSynth midiSynth = new MidiSynth();
demos.add(midiSynth);
tabPane.addTab("Midi Synthesizer", midiSynth); p = new JPanel(new BorderLayout());
p.setBorder(new CompoundBorder(cb,new EmptyBorder(0,0,5,20)));
Groove groove = new Groove();
demos.add(groove);
p.add(groove);
tabPane.addTab("Groove Box", p);
}
public static void main(String[] args) { try {
if (MidiSystem.getSequencer() == null) {
System.err.println("MidiSystem Sequencer Unavailable, exiting!");
System.exit(1);
} else if (AudioSystem.getMixer(null) == null) {
System.err.println("AudioSystem Unavailable, exiting!");
System.exit(1);
}
} catch (Exception ex) { ex.printStackTrace(); System.exit(1); } String media = "./audio";
if (args.length > 0) {
File file = new File(args[0]);
if (file == null && !file.isDirectory()) {
System.out.println("usage: java JavaSound audioDirectory");
} else {
media = args[0];
}
} final JavaSound demo = new JavaSound(media);
JFrame f = new JFrame("Java Sound Demo");
f.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {System.exit(0);}
public void windowDeiconified(WindowEvent e) { demo.open(); }
public void windowIconified(WindowEvent e) { demo.close(); }
});
f.getContentPane().add("Center", demo);
f.pack();
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
f.setLocation(d.width/2 - demo.width/2, d.height/2 - demo.height/2);
f.setSize(new Dimension(demo.width, demo.height));
f.setVisible(true);
}
}