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Digital Projection HIGHlite Cine 330 3D Series
Reference Guide
APPENDIX C: GLOSSARY OF TERMS
Rev E August 2014
Blanking (video signal)
The section of the video signal where there is no active video data.
Not to be confused with
blanking (projection)
.
Brightness (electronic control)
A control which adds a fixed intensity value to every pixel in the display, moving the entire range of displayed intensities up or down, and is
used to set the black point in the image (see
Contrast
). In
S-Video
and
Component Video
signals, brightness is the same as
luminance
.
Brightness (optical)
Describes how ‘bright’ an image that is projected onto a screen appears to an observer.
C
See
Chrominance
.
Chrominance
Also known as ‘
C
’, this is the component, or pair of components, of an
S-Video
or
Component Video
signal which describes
color
difference
information.
Cold mirror
A mirror that preferentially reflects or transmits infra-red light. In a projector, a cold mirror is used to reflect the visible component of the lamp
beam into the illumination optics and transmit the unwanted infrared radiation into an absorber.
Color difference
In
S-Video
or
Component Video
signals, the difference between specified colors and the
luminance
component. Color difference is zero for
monochrome images.
Color gamut
The spectrum of color available to be displayed.
Notes
Notes
