To achieve THX certification, the cinema projection booth must be accurately placed in relation to the screen for the best viewing experience. If the projection booth is not correctly positioned and installed, the projected image will have a keystone or trapezoid effect.
CORRECTLY INSTALLED PROJECTOR BOOTH
WELL-DESIGNED PROJECTION SYSTEM
In a THX Certified Cinema, the projection booth is accurately placed in relation to the screen – delivering an image with little or no distortion.
INCORRECTLY INSTALLED PROJECTOR BOOTH
PROJECTION SYSTEM DESIGN RESULTING IN DISTORTED IMAGE
Improper projection booth and screen placement results in many viewing issues, including a severe keystone or trapezoid effect. THX Certified cinemas must be designed with the most optimal framework possible for the room