DVD-Video is a consumer video format used to store digital video on DVD discs, and is currently the dominant consumer video format in Canada, Europe and Australia.[4] Discs using the DVD-Video specification require a DVD drive and a MPEG-2 decoder (e.g., a DVD player, or a DVD computer drive with a software DVD player). Commercial DVD movies are encoded using a combination of MPEG-2 compressed video and audio of varying formats (often multi-channel formats as described below). Typically, data rate for DVD movies range from 3 Mbit/s to 9.5 Mbit/s, and the bit rate is usually adaptive.
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