AUDIO/VIDEO SIGNAL PROCESSING AND DISTRIBUTION EQUIPMENT, NAMELY SINGLE AND DUAL CHANNEL DIGITAL APPARATUS FOR STORAGE, FILE SORTING AND ASSEMBLY, RETRIEVAL, AND PLAYBACK OF MULTIPLE TWO OR FOUR FIELD TV IMAGES, COMPUTER PROGRAMS, CONTROL UNIT WITH COMPUTER INTERFACE, REMOTE CONTROL PANEL; COMPUTER HARD DRIVE, HIGH DENSITY FLOPPY DRIVE, KEYBOARD, STATUS DISPLAY AND FRAME BUFFERS; AND INTERCONNECT UNITS FOR EXPANDING TO ADDITIONAL EXTERNAL STORAGE AND NETWORKING MULTIPLE SYSTEMS