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Digital Projection INSIGHT 4K Dual LED & Quad Series
APPENDIX E: GLOSSARY OF TERMS
HDCP (High-bandwidth Digital Content Protection)
Notes
An encryption scheme used to protect video content.
HDTV (High Definition Television)
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.
Interlacing
A method of updating the image. The screen is divided in two fields, 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.
Interleaving
The alternation between left and right eye images when displaying 3D.
LED (Light Emitting Diode)
An electronic component that emits light.
Reference Guide
Rev B June 2016
page 69
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