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displays are 16:9 (1.78:1), also known as
“widescreen”, and 4:3 (1.33:1), also known as
“standard”.
ATSC
The Advanced Television Systems Committee was
established in the USA to oversee the transition
from the original analog broadcast system to the
current digital high-definition broadcast system.
AVC
AVC (Advanced Video Coding) is a video
compression algorithm used in the some Blu-ray
discs.
CRT
The Cathode Ray Tube is the original analog
technology used in video displays. It is rarely used
today.
Composite
An
Interlaced
analog video signal that combines
brightness (black-and-white) information together
with color information. Performance is reduced
compared to other transmission formats, as the two
video signals cannot be perfectly separated again as
required by the display device.
Compressed Audio
To allow storage of more video information on a
DVD, the digital audio soundtrack is typically
compressed to take up less room. The original
PCM
digital audio data is compressed by discarding data
that is deemed to be of less importance. Various
companies have developed proprietary schemes for
reducing the quantity of audio data while
attempting to minimize the impact on sound
quality. See also
Dolby Digital
,
DTS
, and
MPEG
Audio
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Summary of Contents for DX-5
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