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Analogue: Sound that has not been turned into
numbers. Analogue sound varies, while digital
sound has specific numerical values. These sockets
send audio through two channels, the left and
right.
Aspect ratio: The ratio of vertical and horizontal
sizes of a displayed image. The horizontal vs.
vertical ratio of conventional TVs. is 4:3, and that of
wide-screens is 16:9.
AUDIO OUT Sockets: Red and white sockets
on the back of the DVD System that send audio to
another system (TV, Stereo, etc.).
Bit Rate: The amount of data used to hold a
given length of music; measured in kilobits per
second, or kbps. Or, the speed at which you
record. Generally, the higher the bit rate, or the
higher the recording speed, the better the sound
quality. However, higher bit rates use more space
on a Disc.
Chapter: Sections of a picture or a music piece
on a DVD that are smaller than titles. A title is
composed of several chapters. Each chapter is
assigned a chapter number enabling you to locate
the chapter you want.
Component Video Out Sockets: Sockets on
the back of the DVD System that send high-quality
video to a TV that has Component Video In
sockets (R/G/B, Y/Pb/Pr, etc.).
Disc menu: A screen display prepared for
allowing selection of images, sounds, subtitles,
multi-angles, etc recorded on a DVD.
DivX 3.11/4.x/5.x: The DivX code is a patent-
pending, MPEG-4 based video compression
technology, developed by DivXNetworks, Inc., that
can shrink digital video to sizes small enough to be
transported over the internet, while maintaining
high visual quality.
Dolby Digital: A surround sound system
developed by Dolby Laboratories containing up to
six channels of digital audio (front left and right,
surround left and right, centre and subwoofer).
Dolby Surround Pro Logic II: It is an improved
matrix decoding technology that provides better
spatiality and directionality on Dolby Surround
programme material; provides a convincing three-
dimensional soundfield on convertional stereo
music recordings; and is ideally suited to bring the
surround experience to automotive sound. While
conventional surround programming is fully
campatible with Dolby Surround Pro Logic II
decoders, soundtracks will be able to be encoded
specifically to take full advantage of Pro Logic II
playback, including separate left and right surround
channels. (Such material also compatible with
conventional Pro Logic decoders).
DTS: Digital Theatre Systems. This is a surround
sound system, but it is different from Dolby Digital.
The formats were developed by different
companies.
JPEG: A very common digital still picture format. A
still-picture data compression system proposed by
the Joint Photographic Expert Group, which
features small decrease in image quality in spite of
its high compression ratio.
MP3: A file format with a sound data compression
system. “MP3” is the abbreviation of Motion
Picture Experts Group 1 (or MPEG-1) Audio Layer
3. By using the MP3 format. One CD-R or CD-RW
can contain about 10 times more data then a
regular CD.
Multichannel: DVDs are formatted to have each
sound track constitute one sound field.
Multichannel refers to a structure of sound tracks
having three or more channels.
Parental control: Limits Disc play according to
the age of the users or the limitation level in each
country. The limitation varies from disc to disc;
when it is activated, playback will be prohibited if
the software’s level is higher than the user-set
level.
Playback control (PBC): Refers to the signal
recorded on video CDs or SVCDs for controlling
playback. By using menu screens recorded on a
Video CD or SVCD that supports PBC, you can
enjoy interactive playback and searching.
Glossary
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