There are many names for keying and while some are more accurate than others most people today jump between, chroma keying, keying, and Blue or green screen compositing all are fairly much exactly the same thing.

• 键控有很多名字和直到今天多数人用越来越精确的词来连接形容，像，色度键控，键控，以及蓝或绿幕合成方法，全部算是接近正确的，其实是相同的事情。