PD-14DSX Updates & Drivers PD-14DSX System Program ( Ver.1.03 ) SMF Player for Windows This is an application for playing back Standard MIDI Files that can be used in place of a full-featured sequencer or librarian program. You will need a MIDI interface on your computer to use this program. SMF Player for macOS Big Sur 11 or later For macOS Big Sur 11 and later, please use this. SMF Player for macOS 10.13 - macOS 14.x SMF Player for macOS / OS X PD-14DSX License Documentation of Open Source Software