So the number of segments in the color wheel and the wheel speed directly affects the refresh rate of each colour channel per frame. If my understanding is correct, the underlying reason for the RBE is the fact that with DLP technology each pixel´s R,G,B channels are not displayed simultaneously but sequentially.
But what does that exactly mean? Is a 6x speed wheel from two different manufacturers running at the same speed? How does DLP work with LED projectors, which don´t have colour wheel, because several people have reported to have perceived rainbow artifacts. However, it seems that manufacturers advertise the projectors as having 4x or 6x speed color wheel, or having a RGBRGB wheel instead of RGB one, etc.
That´s understandable, given that RBE is a subjective issue and many people can´t perceive.
RAINBOW COLORWELL HOW TO
So while trying to figure out which DLP projectors, if any, could be better, and how to improve my experience, I have not been able to find an objective measure of how much RBE a projector may produce. This is quite annoying when watching movies with subtitles, as your eyes are constantly moving up and down and the subtitles have usually high contrast, which increases the chances of perceiving the RBE. I don´t notice it that much due to the motion in the video itself but when my eyes move rapidly across the image. I´ve recently discovered that I´m heavily affected by the rainbow effect 'RBE' produced by DLP projectors.
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