Digital Versatile Disc (DVD) arrived in the late 90's and went on to become the most successful consumer electronics product in history. As a result, DVD players are almost as common as televisions in modern living rooms.
The introduction of DVD players heralded the move from analogue to digital video. Unlike our old VCRs, DVD players used discs that held digital data rather than raw video. The data stored on DVD discs is encoded in a format called MPEG2, and DVD players will decode that data and then output the resulting video and audio to your television.
One key advantage that DVD players have over old VCR decks is picture quality. Compared to what you'd get from a VHS tape, DVD players are in a completely different league, with far brighter, clearer and sharper image quality.
DVD players can also playback compact discs, so there's no need to have a CD player in your living room - DVD players can do it all. DVD