US 84483401 A description in the following description for purposes of explanation specific nomenclature is set forth to provide a thorough understanding of the present invention however it will be apparent to one skilled in the art that these specific details are not required in order to practice the present invention in other instances well known circuits and devices are shown in block diagram form in order not to obscure the present invention unnecessarily the invention is designed to be used as part of a video postproduction editing system of the kind depicted schematically in fig3 such a video editing system employs a controller 330 which allows user control of the editing process the video editing system further comprises two or more source videotape players 300 320 two or more resequencers 305 325 a switcher 310 and a videotape recorder 315 on which the output video is recorded one resequencer is connected between each source videotape player and the switcher 310 video editing systems also typically contain a console a video monitor an audio mixer speakers and other equipment not shown 0028 fig4 shows how the editing operation depicted in fig2 works when the resequencers of the invention are in use the first six video frames on tape x are written to the output as.