Video recording Digital video 37 Production and direction 28 Editing 23 Television 18 Cinematography 17 Data processing 17 Video tapes 17 Video recordings 15 Digital techniques 12 Equipment and supplies 12 Image processing 11 Computer graphics 10 Recording and reproducing 10 Sound 10 Special effects 10 Digital cinematography 9 Motion pictures 8 Digital television 6 Infrared detectors 6 Multimedia systems 5 Color television 4 Data processing 4 Electronic cameras 4 Microcomputers 4 Sound effects 4 Sound motion pictures 4 Television broadcasting 4 Thermography 4 Amateurs' manuals 3