A method of editing a video sequence comprising a series of clips, in which each clip is formed by video content captured between two points in time. Duration data associated with the duration of each clip is extracted from the sequence. The duration data is processed according to at least one predetermined template of editing rules to form editing instruction data, the template indicating a plurality of predetermined edited segment durations, and the editing instruction data being configured to form output edited segments from the clips The clip is then processed (edited) according to the editing instruction data to form an output edited sequence of output edited segments. Each of the output edited segments has a duration corresponding to one of the predetermined edited segment durations with at least a portion of the clip being discarded by the processing of the clip.