Elements, General media, Group of pictures (gop) – Apple DVD Studio Pro 4 User Manual
Page 651: Format
DVD@CCESS A feature in DVD Studio Pro that allows you to add additional interactivity
to your title when it is played on a computer. With DVD@CCESS, you can add links to
menus, tracks, and markers that can be used to open an application on the computer to
display extra content. For example, you can open the system’s web browser and direct
it to a specific URL.
DVD-R The DVD format supported by the Apple SuperDrive, using write-once discs. See
also
,
,
.
DVD-ROM A DVD with files in addition to those included on a standard DVD-Video disc.
These files can be accessed when the title is played on a computer—they are ignored by
standard set-top DVD players. The files can be almost anything you can write to a disc
such as additional graphics or software.
elements The parts of a DVD project, such as menus, tracks, stories, slideshows, and
scripts. Authoring a project involves creating the elements and connecting them together.
See also
.
encoding The process of converting video or audio to a different format. For DVD projects,
this means converting the video to an MPEG-2 file, and the audio to one of several
DVD-compliant formats.
First Play The element of a project that appears when the title begins playing. You can
assign any of your projects elements as the First Play.
format The process of writing the build files to an output device, which can be a DVD-R
drive, an DLT drive, or your system’s hard disk. See also
.
general media The DVD-R format most commonly used by DVD-R drives, including the
Apple SuperDrive. It does not support the Cutting Master Format (CMF). See also
.
General Purpose Register Memories (GPRMs) DVD players contain memory registers
that are set aside for use by DVDs while they play. Scripts in a DVD use the GPRMs to
store values used to provide special playback features, such as language customization
or random playback. See also
System Parameter Register Memories (SPRMs)
Group of Pictures (GOP) A small section of an MPEG-2 encoded video clip, built from
one I-frame and several B-frames and P-frames. Typical GOP sizes range from a few frames
to a maximum of 18 frames (NTSC) or 15 frames (PAL). Marker placement and video trims
can only occur at GOP boundaries. See also
.
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Glossary