Black MIDI Wiki
Midiplayer3 for BLACK MIDI is a visualized MIDI player similar to Synthesia. It is a fast lightweight program that uses temporary files instead of memory caches to play large MIDI files.



  • Open source.
  • Visualized and easy to use.
  • Enable to change volume, speed, chord and pitch.
  • Very fast to seek.
  • Enable to change MIDI device.
  • Always give the right output (e.g. piano pedal).
  • Use Longmsg event to accelerate output to midi driver.
  • Requires only few memory space when use file (less than 100M).
  • Uses unique color to display chord.
  • Display individual colors through track/channel.
  • separate MIDI events play and graphic draw by different threads.


  • Only available on the Windows Platform.


  • The loading speed is about 1 million notes per second.
  • Requires 1 GB space for about 8 million notes to load.