Digital Projection E-Vision Laser 4K Series, Руководство пользователя

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page 113
Digital Projection E-Vision Laser 4K Series
Reference Guide
APPENDIX D: GLOSSARY OF TERMS
Rev A June 2017
OSD (on-screen display)
The projector menus allowing you to adjust various settings.
Overlapping region
See blend region .
PAL (Phase Alternate Line)
The television system used in the UK, Australia and other countries - 625 lines transmitted at 50 interlaced fields per second.
Pillarboxing
Black margins at the left and right of the image. Pillarboxing appears when a narrower image is packed into a wider frame without changing
the aspect ratio .
Pixel
Short for
Picture Element
. The most basic unit of an image. Pixels are arranged in lines and columns. Each pixel corresponds to a micromirror
within the
DMD™
; resolutions reflect the number of pixels per line by the number of lines. For example, a
1080p
projector contains 1080
lines, each consisting of 1920 pixels.
Pond of mirrors
Area around the periphery of the DMD™ containing inactive mirrors. The pond of mirrors may cause artifacts, for example during the edge
blending process.
Pr, Pb
Color difference signals used with ‘ Y ’ for analog Component Video inputs. They provide information about the signal color. Not to be
confused with Cr, Cb .
Primary colors
Three colors any two of which cannot be mixed to produce the third. In additive color television systems the primary colors are red, green and
blue.
Notes