Instrument (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Ed. 5.0

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javax.sound.midi
Class Instrument

java.lang.Object
  javax.sound.midi.SoundbankResource
      javax.sound.midi.Instrument

public abstract class Instrument
extends SoundbankResource
extends SoundbankResource

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. Instruments are typically stored in collections called soundbanks. Before the instrument can be used to play notes, it must first be loaded onto a synthesizer, and then it must be selected for use on one or more channels, via a program-change command. MIDI notes that are subsequently received on those channels will be played using the sound of the selected instrument.

See Also:: Soundbank, Soundbank.getInstruments(), Patch, Synthesizer.loadInstrument(Instrument), MidiChannel.programChange(int, int)

Constructor Summary

protected Instrument(Soundbank soundbank, Patch patch, String name, Class<?> dataClass)
Constructs a new MIDI instrument from the specified Patch.

Method Summary

Patch getPatch()
Obtains the Patch object that indicates the bank and program numbers where this instrument is to be stored in the synthesizer.

Methods inherited from class javax.sound.midi.SoundbankResource

getData, getDataClass, getName, getSoundbank

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Summary
`protected`	`Instrument(Soundbank soundbank, Patch patch, String name, Class<?> dataClass)` Constructs a new MIDI instrument from the specified `Patch`.

Method Summary
`Patch`	`getPatch()` Obtains the `Patch` object that indicates the bank and program numbers where this instrument is to be stored in the synthesizer.

Methods inherited from class javax.sound.midi.SoundbankResource
`getData, getDataClass, getName, getSoundbank`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

Instrument

protected Instrument(Soundbank soundbank,
                     Patch patch,
                     String name,
                     Class<?> dataClass)

Constructs a new MIDI instrument from the specified Patch. When a subsequent request is made to load the instrument, the sound bank will search its contents for this instrument's Patch, and the instrument will be loaded into the synthesizer at the bank and program location indicated by the Patch object.

Parameters:: soundbank - sound bank containing the instrument; patch - the patch of this instrument; name - the name of this instrument; dataClass - the class used to represent the sample's data.
See Also:: Synthesizer.loadInstrument(Instrument)

Method Detail

getPatch

public Patch getPatch()

Obtains the Patch object that indicates the bank and program numbers where this instrument is to be stored in the synthesizer.

Returns:: this instrument's patch