49
11 Glossary
A
Aspect ratio
Aspect ratio refers to the length to height
ratio of TV screens. The ratio of a standard
TV is 4:3, while the ratio of a high-de nition
or wide TV is 16:9. The letter box allows you
to enjoy a picture with a wider perspective on
a standard 4:3 screen.
D
DivX Video
DivX® is a digital video format created by
DivX, Inc. This is an of cal DivX Certi ed
device that plays DivX video. Visit www.divx.
com for more information and software tools
to convert your les into DivX video.
DivX Video-On-Demand
This DivX Certi ed® device must be
registered in order to play DivX Video-on-
demand (VOD) content. To generate the
registration code, locate the DivX VOD
section in your device setup menu. Go to
vod.divx.com with this code to complete the
registration process and learn more about
DivX video.
Dolby Digital
A surround sound system developed by Dolby
Laboratories that contains up to six channels
of digital audio (front left and right, surround
left and right, center and subwoofer.)
DTS
Digital Theatre Systems. A surround sound
system for providing 5.1 channels of discrete
digital audio in consumer electronics products
and software content. It is not developed by
Dolby Digital.
H
HDCP
High-bandwidth Digital Content Protection.
This is a speci cation that provides a secure
transmission of digital contents between
different devices (to prevent unauthorized
copyright.)
HDMI
High-De nition Multimedia Interface (HDMI) is
a high-speed digital interface that can transmit
uncompressed high de nition video and digital
multichannel audio. It delivers high quality
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.
J
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. Files are recognized
by their le extension ‘.jpg’ or ‘.jpeg.’
M
MP3
A le format with a sound data compression
system. MP3 is the abbreviation of Motion
Picture Experts Group 1 (or MPEG-1) Audio
Layer 3. With the MP3 format, one CD-R or
CD-RW can contain about 10 times more data
than a regular CD.
MPEG
Motion Picture Experts Group. A collection of
compression systems for digital audio and video.
Glossar
y
English
EN
