While the technology is generally called green screening by most people, it is actually called chroma keying and it can be ...

[Fred Emmott] had about 30 inches behind his desk to work with, and shares what it took to make a green screen work reliably ... screens were done before the digital age.

If you know anything about how films are made then you have probably heard about the “green screen” before ... an actor filmed in front of a green background. Using video editing software ...