How Does a DVD Player Work  How does a DVD player work? DVD
players take data stored on a disc and convert it to video and
audio output that you can watch on your TV. The process isn't as
incomprehensible as you might think.  Ever watched a record
player work? If you've ever watched an old-style record player
work, you've already got a basic understanding of how DVD
players work. In a record player, a needle reads data from a
groove engraved on a vinyl disc and translates it to music data.
DVD players are just like that, only they use modern technology.
Instead of a vinyl record, you have a plastic-coated aluminum
disc. Instead of a needle reading the disc, you've got a laser.
In theory, though, the modern DVD's functionality resembles that
of an old vinyl record.  Start with a DVD and DVD player.
Understanding how a DVD player works begins with a DVD and a DVD
player. A DVD is an aluminum disc with a plastic coating that
holds digital data, which a DVD player translates into video and
audio. The DVD player c