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Digital Projection INSIGHT 4K Laser Series
Reference Guide
APPENDIX F: GLOSSARY OF TERMS
Rev C June 2016
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
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.
Interleaving
The alternation between left and right eye images when displaying 3D.
LED (Light Emitting Diode)
An electronic component that emits light.
Letterboxing
without
Lumen
A photometric unit of radiant power. For projectors, it is normally used to specify the total amount of emitted visible light.
Noise
Electrical interference displayed on the screen.
Notes