Ulead VIDEO STUDIO 9 User Manual page 203

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ULEAD VIDEOSTUDIO USER GUIDE
DV
Digital Video with a capital "D" and a capital "V" stands for a very
specific format of video, just like VHS or High-8. This format can be
understood (played back, recorded) by your camcorder and also by
your computer, if you have the proper hardware (capture card) and
software (DV codec). The most exciting thing about DV is that it can
be copied from your camcorder to your computer, and then back to
your camcorder (after editing, of course) without any loss of
quality.
DVD
Digital Versatile Disc (DVD) is popular in video production
because of its quality. Not only does it guarantee superb audio and
video quality, it can also hold several times more data than VCDs
and SVCDs. DVDs make use of the MPEG-2 format, which has a
much bigger file size than MPEG-1, and can likewise be produced as
single or dual-sided, and single and dual-layered. They can be
played on stand-alone DVD players or on the DVD-ROM drive of
your PC.
Effect
In VideoStudio, an effect is a special computer generated transition
between two video clips.
Export
The process of sharing files between applications. When you export
a file, the data is usually converted into a format that is
recognizable by the receiving application. The original file remains
unchanged.
Fade
A transition effect where the clip gradually disappears or appears.
In video, the picture would gradually change to or from a solid
color; for audio, the transition would be from full volume to
complete silence or vice-versa.