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; computer software for playing audio files, and computer software that delivers audio sound from DVDs loaded into a computer