US Patent 7424202 Editing system and control method using a readout request

An editing system and a control method for improving efficiency of editing work. The editing system is provided with a server for storing the video data of edit material. A memory stores the video data read from the server, the memory having accessibility faster than the server. An editing terminal for reading, processing, and editing required video data from the memory based on an edit list stored in a selected file. When opening the selected file, the editing terminal makes the server read the video data required for creating the edited video based on the edit list being stored in the file and makes the memory store and keep the video data.