Defined by Microsoft, AVI stands for Audio
Video Interleave. It is a special case of the RIFF
(Resource Interchange File Format). AVI is the most common format for audio/video
data on the PC.
AVI is Microsoft's response to Apple's QuickTime
technology. Early AVI files were limited on choice of video and audio codecs,
quality, and resolution. However, with the introduction of DirectShow, AVI became
a very flexible and powerful architecture. Some newer codecs including DivX
and XviD enable AVI files to have similar
or even better quality than DVD.
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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