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Planning a Blended Projection System

Before setting up a blend, several factors need to be considered:

  • Overall screen dimensions and aspect ratio

  • Number of projectors required

  • Projector resolution and brightness

  • Available lenses and throw distances

  • Projector positioning and available space

  • Required image overlap

  • Video processing and signal distribution

  • Final content resolution

The overlap between projectors is an important part of the calculation. Simply adding the horizontal resolutions of the projectors together does not give the final usable resolution, because some pixels are shared between adjacent images.

Proper planning helps ensure the projected images can be aligned, blended, and displayed at the intended size.