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## Package javax.sound.midi

Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.

See:
Description

Interface Summary
ControllerEventListener | The `ControllerEventListener` interface should be implemented by classes whose instances need to be notified when a `Sequencer` has processed a requested type of MIDI control-change event.
MetaEventListener | The `MetaEventListener` interface should be implemented by classes whose instances need to be notified when a ``Sequencer`` has processed a ``MetaMessage``.
MidiChannel | A `MidiChannel` object represents a single MIDI channel.
MidiDevice | `MidiDevice` is the base interface for all MIDI devices.
Receiver | A `Receiver` receives ``MidiEvent`` objects and typically does something useful in response, such as interpreting them to generate sound or raw MIDI output.
Sequencer | A hardware or software device that plays back a MIDI ``sequence`` is known as a sequencer.
Soundbank | A `Soundbank` contains a set of `Instruments` that can be loaded into a `Synthesizer`.
Synthesizer | A `Synthesizer` generates sound.
Transmitter | A `Transmitter` sends ``MidiEvent`` objects to one or more ``Receivers``.

Class Summary
Instrument | An instrument is a sound-synthesis algorithm with certain parameter settings, usually designed to emulate a specific real-world musical instrument or to achieve a specific sort of sound effect.
MetaMessage | A `MetaMessage` is a ``MidiMessage`` that is not meaningful to synthesizers, but that can be stored in a MIDI file and interpreted by a sequencer program.
MidiDevice.Info | A `MidiDevice.Info` object contains assorted data about a ``MidiDevice``, including its name, the company who created it, and descriptive text.
MidiEvent | MIDI events contain a MIDI message and a corresponding time-stamp expressed in ticks, and can represent the MIDI event information stored in a MIDI file or a ``Sequence`` object.
MidiFileFormat | A `MidiFileFormat` object encapsulates a MIDI file's type, as well as its length and timing information.
MidiMessage | `MidiMessage` is the base class for MIDI messages.
MidiSystem | The `MidiSystem` class provides access to the installed MIDI system resources, including devices such as synthesizers, sequencers, and MIDI input and output ports.
Patch | A `Patch` object represents a location, on a MIDI synthesizer, into which a single instrument is stored (loaded).
Sequence | A `Sequence` is a data structure containing musical information (often an entire song or composition) that can be played back by a ``Sequencer`` object.
Sequencer.SyncMode | A `SyncMode` object represents one of the ways in which a MIDI sequencer's notion of time can be synchronized with a master or slave device.
ShortMessage | A `ShortMessage` contains a MIDI message that has at most two data bytes following its status byte.
SoundbankResource | A `SoundbankResource` represents any audio resource stored in a ``Soundbank``.
SysexMessage | A `SysexMessage` object represents a MIDI system exclusive message.
Track | A MIDI track is an independent stream of MIDI events (time-stamped MIDI data) that can be stored along with other tracks in a standard MIDI file.
VoiceStatus | A `VoiceStatus` object contains information about the current status of one of the voices produced by a `Synthesizer`.

Exception Summary
InvalidMidiDataException | An `InvalidMidiDataException` indicates that inappropriate MIDI data was encountered.
MidiUnavailableException | A `MidiUnavailableException` is thrown when a requested MIDI component cannot be opened or created because it is unavailable.

## Package javax.sound.midi Description

Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.

## Related Documentation

For overviews, tutorials, examples, and guides, please see:

- Sound

Since:
  1.3

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.