Ulead DVD WORKSHOP 2 -, User Manual

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114 ULEAD DVD WORKSHOP USER GUIDE
Appendix C: Glossary
Analog
A signal that continuously varies in fre-
quency or quantity, rather than dis-
crete units (1 and 0) 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.
Buffer underrun
This occurs when the computer system
fails to deliver data quickly enough to
the CD writer for it to burn the data
properly.
Burn
The process of writing or recording
content to a CD or DVD.
Button
An object assigned (linked) to an
attribute which, when clicked, performs
a specific function. Buttons are com-
monly used to play an assigned chap-
ter or move to the next or previous
one.
Capture Plug-ins
Programs included in DVD Workshop
that allow your video camera to com-
municate with your computer.
Chapter
A scene or image taken from a title
that is used in creating menus and
serves as a movie’s key frame or entry
point.
Create Menu - Blank
A menu type that allows you to create
your own menu page, giving you con-
trol over all the necessary elements of
a menu, such as background, images,
and buttons. You can design your own
menu from scratch or choose attributes
from available presets.
Create Menu - Template
A menu template type that allows you
to set the background and buttons of
the menu. You choose attributes from
available presets, and chapters are
added manually.
Create Menu - Wizard
A menu type that allows you to create
a menu based on titles. All the neces-
sary elements, including automatic
scene selection, are already included.
Codec
Abbreviation for COmpression/DECom-
pression. To process video, the com-
puter uses a special algorithm or
program called a codec.
Compression
The process of making a file smaller by
removing redundant data. Nearly all
digital video is compressed in some
way or another through a codec.
Device Control
A software driver that allows your com-
puter to control video sources like the
camcorder or VCR.