MHC-GN88D 4-248-439-
12
(1)
74
GB
DVD
A disc that contains up to 8 hours of moving
pictures even though its diameter is the same as
a CD.
The data capacity of a single-layer and single-
sided DVD, at 4.7 GB (Giga Byte), is 7 times
that of a CD. Furthermore, the data capacity of
a dual-layer and single-sided DVD is 8.5 GB, a
single-layer and double-sided DVD 9.4 GB,
and a dual-layer and double-sided DVD 17 GB.
The picture data uses the MPEG 2 format, one
of the worldwide standards for digital
compression technology. The picture data is
compressed to about 1/40 of its original size.
The DVD also uses variable rate coding
technology that changes the data to be allocated
according to the status of the picture.
The audio data is recorded in Dolby Digital as
well as in PCM, allowing you to enjoy more
realistic audio presence.
Furthermore, various advanced functions such
as the multi-angle, multilingual, and Parental
Control functions are provided with the DVD.
File
Section of a picture on a data CD containing
JPEG image files.
Film based software, Video based
software
DVDs can be classified as Film based or Video
based software. Film based DVDs contain the
same images (24 frames per second) that are
shown at movie theaters. Video based DVDs,
such as television dramas or sit-coms, displays
images at 30 frames (or 60 fields) per second.
Index (CD) / Video Index (VIDEO CD)
A number that divides a track into sections to
easily locate the point you want on a VIDEO
CD or a CD. Depending on the disc, no indexes
may be recorded.
Multi-angle function
Various angles, or viewpoints of the video
camera, for a scene are recorded on some
DVDs.
Multilingual function
Several languages for the sound or subtitles in a
picture are recorded on some DVDs.
Parental Control
A function of the DVD to limit playback of the
disc by the age of the users according to the
limitation level in each country. The limitation
varies from disc to disc; when it is activated,
playback is completely prohibited, violent
scenes are skipped or replaced with other
scenes and so on.
Playback Control (PBC)
Signals encoded on VIDEO CDs (Version 2.0)
to control playback. By using menu screens
recorded on VIDEO CDs with PBC functions,
you can enjoy playing simple interactive
programs, programs with search functions, and
so on.
This system conforms to Version 1.1 and
Version 2.0 of VIDEO CD standards. You can
enjoy two kinds of playback depending on the
disc type.
VIDEO CDs without PBC functions
(Version. 1.1 discs)
Enjoy video playback (moving pictures) as well
as music.
VIDEO CDs with PBC functions
(Version. 2.0 discs)
Play interactive software using menu screens
displayed on the TV screen (PBC Playback), in
addition to the video playback function of
Version 1.1 discs. Moreover, you can play
high-resolution still pictures, if they are
included on the disc.
Glossary (continued)