Apparatus for recording video; apparatus for reproducing video; apparatus for reproduction of video images; apparatus for the transfer of film material to video; colour video processors; electronic apparatus for interfacing video apparatus; films bearing video recordings; films being optically recorded data for use with video; interactive video apparatus; interactive video instruments; video cameras; video communications instruments; video digitisers; video digitizers; video display screens; video display units; video editing apparatus; video effects apparatus; video enhancers; video films; video mixers; video multiplexing apparatus; video multiplexing apparatus for use with video camera installations; video phones; video playback apparatus; video processors; video recording apparatus; video recording instruments; video recording materials; video recordings; video recordings incorporating sound track; video records; video reproducing apparatus; videos