What is SYSEX?
SysEx is an abbreviation for System Exclusive MIDI messages. These are MIDI messages that are addressed for a particular synth, so you can send these messages and only the correct synth will respond to them. Files which contain only SysEx messages usually have a .SYX file extension. The two main uses for SysEx are 1) Make changes to a synth while a song is playing. 2) Send &/or Receive Patches, Performances, Rhythm kits, etc to and from a synth. SysEx also allows you to access most of the functions of the synth that you can access from the keyboard and buttons via MIDI messages. Here is an excerpt from a message posted to the JV/XP Mailing list on January 15th, 1999 from Steve Wahl (steve@dgii.com): MIDI is a standard way that two electonic musical devices can “talk” to each other about notes and controllers (pedals, pitch bend, etc). But, there is no way that a protocol standard can hope to define messages that control the features that make one synth different from another, especiall
