Appendix 2: sound.properties File
The Java Sound Configuration file,
sound.properties, can be used to specify default
service providers for javax.sound.sampled.AudioSystem
and javax.sound.midi.MidiSystem.
Properties Keys
The following keys are recognized by AudioSystem
methods:
javax.sound.sampled.Clip
javax.sound.sampled.Port
javax.sound.sampled.SourceDataLine
javax.sound.sampled.TargetDataLine
The following keys are recognized by MidiSystem
methods:
javax.sound.midi.Sequencer
javax.sound.midi.Synthesizer
javax.sound.midi.Transmitter
javax.sound.midi.Receiver
The values should specify the full class name of the service provider and/or the device name.
sound.properties is located at
$JAVAHOME/jre/lib in the Sun implementation.
For more details, see the class descriptions for AudioSystem
and MidiSystem.
Examples
To use MyDeviceProvider as the default for
SourceDataLine lines, set the following key:
javax.sound.sampled.SourceDataLine=com.xyz.MyDeviceProvider
To specify the default Synthesizer by its name
InternalSynth, set the following key:
javax.sound.midi.Synthesizer=#InternalSynth
To specify the default Receiver by provider and
name, set the following key:
javax.sound.midi.Receiver=com.sun.media.sound.MidiProvider#SunMIDI1