Here is a Java Program to
Determine the duration of a Midi audio file
import java.io.File; import java.net.URL; import javax.sound.midi.MidiSystem; import javax.sound.midi.Sequence; import javax.sound.midi.Sequencer; public class Main { public static void main(String[] argv) throws Exception { Sequence sequence = MidiSystem.getSequence(new File("midiaudiofile")); sequence = MidiSystem.getSequence(new URL("http://hostname/midiaudiofile")); // Create a sequencer for the sequence Sequencer sequencer = MidiSystem.getSequencer(); sequencer.open(); sequencer.setSequence(sequence); double durationInSecs = sequencer.getMicrosecondLength() / 1000000.0; } }