DVD (also known as "Digital Versatile Disc" or "Digital Video Disc") is a popular optical disc storage media format. Its main uses are video and data storage. Most DVDs are of the same dimensions as compact discs (CDs) but store more than six times as much data.
DVD-Video discs respectively refer to properly formatted and structured video content. It uses MPEG-2 for video compression, with AC-3, DTS or MPEG audio for multi-channel audio support.
To decode DVD, you will need both GPL MPEG-2 Decoder, and AC-3 Decoder.
A streaming technology developed by RealNetworks for transmitting live video over the Internet. RealVideo uses a variety of data compression techniques and works with both normal IP connections as well as IP Multicast connections.
More information is available on RealNetwork web site.
To convert other video formats to RealMedia, you will need River Past RealMedia Booster Pack in addition to your video software.
River Past Video Cleaner