12 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-definition
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.
HDNI
High-Definition Multimedia Interface (HDPII)
is a high-speed digital interface that can
transmit uncompressed high definition video
and digital multichannel audio. It delivers high
quality picture and sound quality, completely
free from noise. HDP11 is fully backward-
compatible with DVI.
As required bythe HDP11 standard,
connecting to HDP11 or DVI products without
HDCP (High-bandwidth Digital Content
Protection) will result in no Video or Audio
output.
D
DivX®
The DivX® codec is a patent-pending,
PIPEG-4 based video compression technolog 7
developed b7 DivX®, Inc. It can shrink the file
size of digital video and still maintain the high
visual qualit 7.
Dolby Digital
A surround sound system developed by Dolb7
Laboratories that contains up to six channels
of digital audio (front left and right, surround
left and right, center and subwoofer.)
H
HDCP
High-bandwidth Digital Content Protection.
This is a specification that provides a secure
transmission of digital contents between
different devices (to prevent unauthorized
copyright.)
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 file extension
'.jpg' or '.jpeg.'
M
klP3
A file format with a sound data compression
system. PIP3 is the abbreviation of Motion
Picture Experts Group 1 (or PIPEG-1) Audio
Layer 3. With the PIP3 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.
S0 EN
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