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Digital Projection E-Vision Laser 4K Series
Reference Guide
APPENDIX D: GLOSSARY OF TERMS
Rev A June 2017
Gamma
A nonlinear operation used to code and decode luminance. It originates from the Cathode Ray Tube technology used in legacy television
sets.
Ghosting
An artifact in 3D image viewing. Ghosting occurs when an image intended for one eye is partially seen by the other eye.
Ghosting can be removed by optimizing the dark time and sync delay.
HDCP (High-bandwidth Digital Content Protection)
An encryption scheme used to protect video content.
HDTV(HighDenitionTelevision)
A television system with a higher resolution than SDTV and EDTV. It can be transmitted in various formats, notably 1080p and 720p.
Hertz (Hz)
Cycles per second.
Horizontal Scan Rate
The rate at which the lines of the incoming signal are refreshed. The rate is set by the horizontal synchronization from the source and
measured in Hertz.
Hs + Vs
Horizontal and vertical synchronization.
Hue
The graduation (red/green balance) of color (applicable to NTSC).
Notes
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