A white dot pops up on a darkened, sixty-foot cinema screen. It looks like every movie you’ve ever seen projected digitally. Clear white encircled by black levels that are not only grey, but bright enough to partially illuminate the room. This test pattern represents the industry standard 2,000:1 contrast ratio at 14 foot-lamberts (fL).
Source: HDD First Look: Dolby Cinema at AMC Prime | High-Def Digest