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Digital Projection E-Vision Laser WQ120 Series
APPENDIX D: GLOSSARY OF TERMS
Rev A May 2018
HDCP (High-bandwidth Digital Content Protection)
An encryption scheme used to protect video content.
HDTV (High Definition Television)
A television system with a higher
. It can be transmitted in various formats, notably
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
measured in
Hs + Vs
Hue
The graduation (red/green balance) of color (applicable to
Interlacing
A method of updating the image. The screen is divided in two
, one containing every odd horizontal line, the other one containing the
even lines. The fields are then alternately updated. In analog TV interlacing was commonly used as a way of doubling the refresh rate without
consuming extra bandwidth.
LED (Light Emitting Diode)
An electronic component that emits light.
Notes