https://江南体育贴吧techplanet.today/feed/tag/cinemascope <![CDATA[cinemascope | 江南体育贴吧TechPlanet]]> 2022 - 04 - 23 - t08:34:00 + 0 <![CDATA[4K不是真的4K]]> https://江南体育贴吧techplanet.today/50584 雅各Enderson 你知道4K通常不是真正的4K吗?尽管许多电子公司都在宣传屏幕、游戏机和流媒体支持4K,但实际上并没有真正的标准来定义“4K”到底是什么意思。这只是个词,是造出来的。
You see, 4K is called "4K" because it refers to resolutions that are approximately 4,000 pixels across. The most common resolution that's advertised as "4K" is 3,840 pixels horizontally by 2,160 pixels vertically, which is what you typically see on TVs and computer monitors often marked as Ultra HD or UHD.
So this resolution isn't quite 4,000 pixels across, but the 4K used in movie production, called DCI 4K, measures 4,096 x 2160. So the aspect ratio is about 1.9:1, a little wider than the typical 1.78:1 we're used to on TVs and your typical computer monitor. You might know that aspect ratio by its other name, 16 x 9.
But DCI 4K isn't the only movie 4K, as it's primarily used for shooting the film. By the time you get to the...
2022 - 04 - 23 - t08:34:00 + 0
页在0.81562089920044中生成
Baidu
map