标准摘要
[中文适用范围]： 本标准规定了在审阅室和商业电影院中使用带有数字光引擎的投影仪放映电影时反射屏幕光的绝对亮度水平、白点色度和亮度均匀性。 本规范的目的是实现投影图像中的色阶和对比度，使其与母版制作过程中的预期相对应。 [外文原描述]： ISO 26431-1:2008 specifies the absolute luminance level, white point chromaticity and luminance uniformity of the reflected screen light for the presentation of motion pictures by projectors with digital light engines in review rooms and commercial cinemas. It is the purpose of ISO 26431-1:2008 to achieve the tone scale and contrast in the projected image that will correspond to that intended during the mastering process.
英文名称Digital cinema (D-cinema) quality — Part 1: Screen luminance level, chromaticity and uniformity