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Glossary
Analog: Sound that has not been switched into
numbers. Analog sound varies, while digital sound
has speci c numerical values. These jacks 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 Jacks: Red and white jacks 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 jacks: Jacks on the
back of the DVD system that send high-quality
video to a TV that has Component Video In jacks
(R/G/B, Y/Pb/Pr, etc..)
Disc menu: A screen display prepared for
allowing a selection of images, sounds, subtitles,
multi-angles, etc. to be recorded on a DVD.
DivX 3.11/4.x/5.x/6.x: The DivX
®
code is a
patent-pending, MPEG-4 based video compression
technology, developed by DivX
®
Networks, 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, center and subwoofer.)
Dolby Digital EX: A surround sound system
developed by Dolby Laboratories containing up to
seven channels of digital audio (front left and right,
surround left and right, center front and rear
subwoofer.)
Dolby Surround Pro Logic II: It is an improved
matrix decoding technology that provides better
spatiality and directionality on Dolby Surround
program material, provides a convincing three
dimensional sound eld on conventional stereo
music recordings and is ideally suited to bring the
surround experience to automotive sound. While
conventional surround programming is fully
compatible with Dolby Surround Pro Logic II
decoders, soundtracks will be able to be encoded
speci cally 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 Theater Systems. This is a surround
sound system, but it is different from Dolby
Digital. The formats are developed by different
companies.
HDMI: High-De nition Multimedia Interface
(HDMI) is a high-speed digital interface that can
transmit uncompressed high de nition video and
digital multi-channel audio. It delivers perfect
picture and sound quality, completely free from
noise. HDMI is fully backward-compatible with
DVI.
As required by the HDMI standard, connecting to
HDMI or DVI products without HDCP (High-
bandwidth Digital Content Protection) will result
in no Video or Audio output.
HDCP (High-bandwidth Digital Content
Protection) is a speci cation that provides a
secure transmission of digital contents between
different devices (to prevent unauthorized
copyright.)
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.