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The classes for the Java Sound demo are contained in the JavaSoundDemo.jar |
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file. Running the demo requires the Java 2 SDK, Standard Edition 1.3. |
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To run the Java Sound demo : |
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% java -jar JavaSoundDemo.jar |
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Although it's not necessary to unpack the JavaSoundDemo.jar file to run |
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the demo, you may want to extract its contents if you plan to modify |
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any of the demo source code. To extract the contents of JavaSoundDemo.jar, |
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run this command from the JavaSound directory : |
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jar xvf JavaSoundDemo.jar |
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This JavaSound demo consists of a set of demos housed in one GUI |
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framework that uses a JTabbedPane. You can access different groups of |
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demos by clicking the tabs at the top of the pane. There are demo |
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groups for Juke Box, Capture & Playback, Midi Synthesizer and Rhythm |
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Groove Box. |
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Juke Box : |
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A Juke Box for sampled (au, wav, aif) and midi (rmf, midi) sound |
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files. Features duration progress, seek slider, pan and volume |
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controls. |
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Capture & Playback : |
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A Capture/Playback sample. Record audio in different formats |
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and then playback the recorded audio. The captured audio can |
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be saved either as a WAVE, AU or AIFF. Or load an audio file |
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for streaming playback. |
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Midi Synthesizer : |
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Illustrates general MIDI melody instruments and MIDI controllers. |
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A piano keyboard represents notes on and off. Features capture |
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and playback of note on and off events. |
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Rhythm Groove Box : |
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Illustrates how to build a track of short events. Features |
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a tempo dial to increase or descrease the beats per minute. |
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You can run anyone of the samples in stand-alone mode by issuing a |
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commands like this from the JavaSound directory: |
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java -cp JavaSoundDemo.jar Juke |
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java -cp JavaSoundDemo.jar CapturePlayback |
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java -cp JavaSoundDemo.jar MidiSynth |
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java -cp JavaSoundDemo.jar Groove |
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When running the Java Sound demo as an applet these permissions |
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are necessary in order to load/save files and record audio : |
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grant { |
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permission java.io.FilePermission "<<ALL FILES>>", "read, write"; |
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permission javax.sound.sampled.AudioPermission "record"; |
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permission java.util.PropertyPermission "user.dir", "read"; |
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}; |
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The permissions need to be added to the .java.policy file. |
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====================================================================== |
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You may send comments via the javasound-comments@sun.com alias, |
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which is a one-way alias to Sun's Java Sound API developers, or via the |
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javasound-interest@sun.com alias, which is a public discussion list. |
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