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Glossary
#
16:9-Format:
Also called widescreen. Television format where the width-to-
height ratio of the display area is 16:9 instead of 4:3. When broadcast for
television, part of the picture is broadcast in black (black bars on top and bottom
of the picture) to make it compatible with the traditional 4:3 format. The first
line of the TV picture contains additional code that instructs any 16:9 television
to enlarge the picture (see also "4:3 format")
4:3 format:
This is the traditional television format. The width-to-height ratio of
the display area is 4:3.(see also "16:9 format")
A
Aspect ratio:
The width-to-height ratio of one pixel. Some video formats must
have this ratio in order to display the picture properly. If the aspect ratio is 1, the
pixel will be square. If the aspect ratio is not 1, the pixel will be rectangular.
When rectangular pixels are used without adjustment, circles are displayed as
ovals. This distortion can be eliminated by factoring in the aspect ratio. (see also
"Pixel")
AVI:
Abbreviation for "Audio Video Interleaved", the standard format for
digital video on PCs. (see also "Video for Windows")
B
BMP:
Abbreviation for "BitMaP". Microsoft Windows standard format for
pixel graphics.
C
Client:
A system (computer or program) in a network or on the Internet that
requests files or services. The system (computer or program) that provides the
files or services is called a server. The client can request a data transfer or a print
job from the server.
CoDec:
Acronym for Compressor/Decompressor, compresses (packs) and
decompresses (unpacks) image data.
Composite Video:
The encoding of color and brightness information into a
single signal. (see also "S-Video")
Content:
Content is the information contained in a message or a Web site that
does not consist of structures or formats. This term applies to all media,
including texts, data and images to audio information and videos.
Summary of Contents for MEDIACENTER
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