Load and Play a MIDI Sound File in Java

Submitted by donbermoy on Friday, December 26, 2014 - 21:07.

This tutorial will teach you how to create a program that will load and play a MIDI sound file in java. We all know that MIDI or Musical Instrument Digital Interface) is a sound designed for recording and playing back music on digital synthesizers that is supported by many makes of personal computer sound cards. It has .mid extension file. So, now let's start this tutorial! 1. Open JCreator or NetBeans and make a java program with a file name of playMIDI.java. 2. Import the following package library:

import java.io.*;  //used to access the File class
import javax.sound.midi.*; //used to access MidiSystem, Sequence, and Sequencer class

3. Now, you have to put your MIDI file on the same folder with the your program. Then access the MIDI file with this code:

    // From file
    Sequence sequence = MidiSystem.getSequence(new File("midifile.mid"));

midifile.mid is the filename of the MIDI filie and you can change this to your MIDI file name. 4. Create a sequencer for the sequence of the MIDI file.

    Sequencer sequencer = MidiSystem.getSequencer();
    sequencer.open();
    sequencer.setSequence(sequence);

5. To start playing your MIDI file, have this code below:

    // Start playing
    sequencer.start();

Output: When pressing the run button in your Java software, the MIDI filename will automatically play. Here's the full code of this tutorial:

import java.io.File;
 
import javax.sound.midi.MidiSystem;
import javax.sound.midi.Sequence;
import javax.sound.midi.Sequencer;
 
public class playMIDI {
  public static void main(String[] argv) throws Exception {
    // From file
    Sequence sequence = MidiSystem.getSequence(new File("midifile.mid"));
 
    // Create a sequencer for the sequence
    Sequencer sequencer = MidiSystem.getSequencer();
    sequencer.open();
    sequencer.setSequence(sequence);
 
    // Start playing
    sequencer.start();
  }
}

For more inquiries and need programmer for your thesis systems in any kind of programming languages, just contact my number below. Best Regards, Engr. Lyndon Bermoy IT Instructor/System Developer/Android Developer/Freelance Programmer Mobile: 09488225971 Landline: 826-9296 E-mail:[email protected] Add and Follow me on Facebook: https://www.facebook.com/donzzsky Visit and like my page on Facebook at: https://www.facebook.com/BermzISware

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