IEEE1394 (Firewire) is an interface for high speed data transfer.400 Mbps is a standard of IEEE 1394a and 800 Mbps,1,6 Gbit,3,2Gbit/s speeds are standard of IEEE 1394b. With real-time data transfer, high reliability and the ease of use, IEEE1394 is an ideal interface that provides communication between computer and audio (synthesizer), video devices (video, video camcorder) etc.