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,
MPEG audio for multi-channel audio support.
To decode DVD, you will need both GPL
MPEG-2 Decoder, and AC-3
XviD is the name of a popular new video
codec being developed as an open source project by volunteer programmers from
all over the world. The format was created to offer a free alternative to other
commercial video codecs, and despite being open source its quality and efficiency
has made it one of the most popular video codecs online.
XviD, as a file type, is an AVI file with video encoded with XviD codec.
To convert video to xvid, please make sure the xvid
codec is installed.
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