In cinema technology, a standardized technical process for digital film projection has already existed for years: digital cinema or D-Cinema. To prevent film projection from being dominated by proprietary, incompatible solutions, several major Hollywood studios founded the Digital Cinema Initiative( DCI) in 2002.
With D-Cinema, the DCI Initiative has created a uniform, open and manufacturer-independent standard for digital film projection.
The DCI standard created by the DCI Initiative covers the entire distribution and projection area and defines data formats, resolutions, projection techniques, stereoscopic reproduction, color space, copy protection and rights management. Thus, for resolution, the 2K standard, the 4K standard and the 8K standard are defined, where xK refers to the number of horizontal pixels. In the 2K standard 2K-DCI the resolution is 1,920 x 1,080pixels with an aspect ratio of 16:9. The 4K standard 4K-DCI has a four times higher resolution and thus a resolution of 3,840 x 2,160 pixels, the 8K standard 8K-DCI one of 8,192 X 4,320 pixels. The Digital Cinema Initiative (DCI) has specified the DCI-P3 color space as the color space, which is roughly equivalent to the Adobe RGB color space.