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Appendix D: glossary of terms
1
1080p
An HDTV resolution which corresponds to 1920 x 1080 pixels (a widescreen aspect ratio of 16:9).
3
3D active glasses
Wireless battery-powered glasses with LCD shutters. Synchronization information is communicated to the glasses by means of
an infrared (IR) or radio frequency (RF) emitter which is connected to the Sync Out terminal on the projector. IR or RF pulses are
transmitted by the emitter to signal when the left eye and right eye images are being displayed. The glasses incorporate a sensor
which detects the emitter's signal and synchronises the left and right eye shutters with the projected image.
3D passive glasses
Passive glasses do not require a power source to work. Light with left-hand polarisation can pass through the left lens and light
with right hand polarisation can pass through the right-hand lens. These glasses are used in conjunction with another device
which polarizes the image, such as a ZScreen.
4
4K-UHD
The 4K-UHD resolution of 3840 x 2160 is the dominant 4K resolution used in the consumer media and display industries. This
resolution has an aspect ratio of 16:9, with 8,294,400 total pixels.
A
Adjust lines
A pattern applied to the image where its edge is to be blended with another image. Adjust lines are used to position the projectors
in the array during the edge blend process.
Anamorphic lens
A special lens which, when used with the TheaterScope aspect ratio, allows watching 2.35:1 content packed in a 16:9 source.
Reference Guide
APPENDIX D: GLOSSARY OF TERMS
Digital Projection Ltd. M-Vision WUXGA Series
Notes
Rev A January 2024
page 127
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