Glossary - Ulead DVD MOVIEFACTORY 5 PLUS User Manual

48 ULEAD DVD MOVIEFACTORY USER GUIDE

Glossary

Analog
A signal that continuously varies in
frequency/quantity, rather than
discrete units found in digital devices.
Information from an analog source
must be converted to digital in order for
a computer to interpret it.
Aspect Ratio
The proportion of a picture's width and
height.
Burn
The process of writing or recording
content to a CD or DVD.
Button
An object assigned to an attribute
which, when clicked, performs a
specific function. Buttons are
commonly used to play an assigned
chapter or move to the next or previous
one.
Compression
The process of making a file smaller.
Nearly all digital video is compressed in
some way or another through a codec.
Device Control
A software driver that allows your
computer to control video sources like
the camcorder.
DV
Abbreviation for Digital Video, which is
a very specific format of video. DV can
be played back/recorded by your
computer if you have the proper
hardware (capture card) and software
(DV codec).
Disc image files
Files that contain the entire content of
a storage medium (e.g. CD-ROM).
Field order
The order in which a field in interlaced
video is displayed first during playback.
This can either be Lower Field First or
Upper Field First. A field is one of the
two half-frames in interlaced video.
Field order is not applicable for frame-
based videos which are displayed with
complete single frame pictures.
HDV
Abbreviation for High Definition Video.
It is the video recording format that
allows for high data compression, and
in turn allows for higher picture
resolutions. HDV can go up to 1920 x
1080 in resolution.
Introductory Video
The video clip that plays when the disc
is inserted into the player.