FireWire - (a.k.a. Firewire) - FireWire is the term used to describe the connection between Digital Video (DV) cameras/players and DV capture cards. You need Firewire if you want to work with DV and remain lossless. As of this writing, Firewire or IEEE P1394 is the standard for transmitting compressed video data used by DV format digital videocassette recorders.