DVD Player

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. A DVD player has to complete these tasks: Additionally, most DVD players allow users to play audio CDs (CDDA, MP3, etc.) and Video CDs (VCD). A few include a home cinema decoder (i.e. Dolby

Digital, Digital Theater Systems (DTS)). Some newer devices also play videos in the MPEG-4 ASP video compression format (such as DivX) popular in the Internet, as well as the RMVB video compression format. Most hardware DVD players have to be connected to a television set; there are also some small portable devices which have an LCD screen attached. Portable DVD players that are capable of playing DVDs. Most have an LCD screen and stereo speakers and are usually powered by lithium ion batteries. Portable DVD players are often used for long road trips and travel. As of 2005, retail prices for such a device, depending on its optional features (such as digital sound or video output), start between 30 and 80 USD/Euro. They are usually cheaper than VCRs. As of 2002 the largest producer of DVD players is China; in 2002 they produced 30 million