A computer used to perform on-line edits and auto-assemblies. The video editor enters the EDL, a sequence of SMPTE timecode time codes corresponding to the shots and specific frames to be connected. The edit programmer then controls the video playback and re-recording decks to produce the edited video master tape according to the editor’s instructions. Depending on the sophistication of the specific unit used, the editor may have to perform some special effects manually, on prompts given by the edit programmer. Also called an edit controller