Example image of eyePlorer eyePlorer map for 'VHS': Videotape format war Open standard Movie studio Optical disc Retailing Blu-ray Disc DVD United States 2008 December 31 Bandwidth (signal processing) Chrominance Frequency modulation Helical scan Hertz NTSC Luma (video) Original equipment manufacturer Baseband Compact Cassette Signal-to-noise ratio Dolby noise-reduction system Compact Disc Dynamic range Multiplexing Sound recording and reproduction Audio mixing Home recording Master recording Multi-track Live Aid NICAM Henry F. Phillips Incandescent light bulb Light-emitting diode Magnetic tape Videocassette recorder PAL Betamax M Tape transport U-matic Panasonic Corporation S-VHS ADAT D-VHS Camcorder VHS-C JVC Backup