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Dictionary of Technical Terms - Q
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M N O P Q
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A designator used to name one of the color
components of the NTSC composite video signal. The formula for
deriving Q from red, green, and blue is .21R - .52G + .31B. The Q
term also designates a color component of an M-Format component
video signal.
A 90 degrees (one quarter cycle) phase difference
between two signals.
An option to GVG switchers that splits the screen
into four sections, each section containing a different video
source.
Inaccuracies in the digital representation of an
analog signal. These errors occur because of limitations in the
resolution of the digitizing process.
The noise (deviation of a signal from its original
or correct value) which results from the quantization process. In
serial digital video, a granular type of noise that occurs only in
the presence of a signal.
The process of sampling an analog waveform to
convert its voltage levels into digital data.
See idling current.
A B
C D E F G
H I J K L
M N O P Q
R
S T U V W
X Y Z
Num
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