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...screen equipment supports CHP (Constant Height Projection) / CHD (Constant Height Display). For a better description see this tutorial http://www.highdefdige

...ratio display output for CHP (Constant Height Projection) / CHD (Constant Height Display) formats. Displays supporting this type of input are today marketed ...deos, and they can sometimes also be incorrect described (rounded) as 2.40:1 or 2.40 movies, like for some Blu-ray Disc film releases which have 1920×8