Apple DVD Studio Pro 4 - Manual (Page 649)

button navigation The actions that occur when a viewer presses a remote control’s arrow
buttons. You can manually configure each button’s navigation settings or use the
DVD Studio Pro Auto Assign feature to automatically set the navigation of all buttons on
a menu at once. It is important to set the navigation so that viewers can logically get
from the current button to the desired one.
buttons over video Interactive buttons that appear over a video stream by way of a
subtitle stream. Used to provide the viewer with viewing options while watching a title’s
main program. Also known as interactive subtitles and interactive markers.
button states Each button on a menu can be in one of three states: normal, selected,
and activated. In the normal state, the button displays its inactive condition. All buttons
on a menu except one are in the normal state. A button is selected when the viewer
navigates to it. Only one button at a time can be in the selected state. The selected button
becomes activated when the viewer presses the remote control’s Enter button. Depending
on the button type, highlights or layers are used to indicate each button’s state.
chapter Places in a track where you can connect to. Commonly used to identify scenes
for a chapter index menu. You can assign up to 99 chapters in each track.
clip The term used to describe a video or audio asset, especially after it has been added
to a track. See also
assets .
color mapping When working with overlay graphics, the process of assigning a color
and opacity setting to colors used in the overlay graphic. You assign separate colors and
opacities for all three button states (normal, selected, and advanced). See also
overlay .
compile See build .
constant bit rate (CBR) encoding A video MPEG encoding method that uses the same
bit rate for the entire video file. Its primary advantage is that you can reliably predict the
resulting file size. Its disadvantage is that all video scenes, whether still or with a lot of
motion, are treated the same. See also
variable bit rate (VBR) encoding .
Content Scrambling System (CSS) Provides digital-based copyright protection for an SD
DVD’s contents. See also
Copy Generation Management System (CGMS) , Macrovision .
Copy Generation Management System (CGMS) Used to set whether an SD DVD can
have unlimited copies made, a single copy made, or no copies made. Allowing no copies
to be made activates the CSS and Macrovision settings. See also
Content Scrambling
System (CSS) , Macrovision .
Cutting Master Format (CMF) A format that provides the information needed by
replication facilities to add advanced features to a DVD, such as support for copy protection
and dual-layer discs. The cutting master format can be applied to DLTs and authoring
DVD-Rs, but not general DVD-Rs.
649 Glossary