two images or video streams are layered together) into the shot. When a background isn’t available-like a fictional, alien, historic, futuristic, or even just hard-to-access location-the green screen comes to the rescue.Īfter the footage is shot, the compositors take over. It’s used in film production (also in news and weather reports) to simply place the desired background behind the subject, actor, or anchor.

Zoom call has one of its most popular features the Virtual Background, which allows you to display an image or video as your background during a meeting in a Zoom Room.Ī green screen basically lets you drop in whatever background images you want behind the actors and/or foreground. This allows you to layer video sources. It is a visual effects (VFX) technique where two images or video streams are layered-i.e. Real-time chroma keying enables you to turn certain colored areas into transparent. This screen is usually blue or green, hence the chroma key is often referred to as a ‘blue screen’ or ‘green screen’ effect. A green screen is used to film objects in front of a flat-screen of a single color.

Live stream green screen