Kurzbeschreibung
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A DVD player is a device that plays discs produced under both the DVD-Video and DVD-Audio technical standards, two different and incompatible standards. It was invented in 1994. Most hardware DVD players have to be connected to a television; there also exist portable devices which have an attached LCD screen and stereo speakers. Portable DVD players are often used for long road trips and other travel.