DOLBY HEADPHONE

DIGITAL SIGNAL PROCESSING CHIPS; INTEGRATED CIRCUITS; DVD VIDEO PLAYERS; DVD AUDIO PLAYERS; SET TOP CABLE BOXES; SATELLITE RECEIVERS; TELEVISION RECEIVERS; DIGITAL TELEVISION RECEIVERS; COMPUTERS; VIDEO GAME CONSOLES; AUDIO AND VIDEO SURROUND SOUND CONTROLLERS; AUTOMOBILE SOUND SPEAKERS; MULTIMEDIA SPEAKERS; AND PORTABLE AUDIO EQUIPMENT, NAMELY, CASSETTE PLAYERS AND RECORDERS, AND COMPACT-DISC PLAYERS