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S-Video
A Video signal which has the luminance component and color component separated to provide better image quality.
Refers to images that consist of two independent signals: Y (luminance signal) and C (color signal).
SXGA
A type of video signal with a resolution of 1,280 (horizontal) ^ 1,024 (vertical) dots that is used by IBM PC/AT-compatible computers.
Sync.
The signals output from computers have a specific frequency. If the projector frequency does not match this frequency, the resulting images are
not of a good quality. The process of matching the phases of these signals (the relative position of the crests and the troughs in the signal) is
called Synchronization. If the signals are not synchronized, flickering, blurriness, and horizontal interference occur.
Tracking
The signals output from computers have a specific frequency. If the projector frequency does not match this frequency, the resulting images are
not of a good quality. The process of matching the frequency of these signals (the number of crests in the signal) is called Tracking. If Tracking is
not carried out correctly, wide vertical stripes appear in the signal.
VGA
A type of video signal with a resolution of 640 (horizontal) ^ 480 (vertical) dots that is used by IBM PC/AT-compatible computers.
XGA
A type of video signal with a resolution of 1,024 (horizontal) ^ 768 (vertical) dots that is used by IBM PC/AT-compatible computers.
Glossary
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