chroma key


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chroma key

n.
A technique in video and photography editing in which portions of an image containing a preselected color, such as a bluescreen background, are replaced with material from a separate image using an electronic color filter.

[chroma + key, to chromakey; see key1.]
References in periodicals archive ?
ARKit 3 allows users to create AR-enhanced videos without the need for a chroma key background or a green screen.
"Once we got into the software, we saw how we could record using green screen and chroma key, and then seamlessly edit that."
It offers internal media for stills and motion graphics, a new ATEM Advanced Chroma Key in 8K, a multi rate 12G-SDI for HD, Ultra HD and native 8K, built in 156 channel Fairlight audio mixer, free software control panel, compatible with all ATEM hardware control panels.
One feature that has helped bring down cost is the green screen or the "chroma key." "In the past, you had to build a huge set just for the background scenery on an action scene or, like in the 1940s and 1950s, just head to a studio and get the background painted on a big chart.
For example, if the talent is walking around the green screen and the light conditions change in the virtual set, InfinitySet can tell the real lights on the green studio to change accordingly, and also remotely alter the chroma key settings to maintain the best quality, even when using external hardware.
A combination of Boris Continuum Complete Chroma Key Studio and Avid's Spectramatte were used to key in living room backgrounds for the confessional type interviews that were shot in front of a green screen.
Mickey Gibson, Hamilton A The 1984 video used chroma key technology - Q How long did Mull of Kintyre stay at No1?
The vMix software can turn your ordinary PC into a complete television studio with switching, streaming, recording, graphics, titles, chroma key, virtual sets and multi-camera instant replay in SD, HD and beyond!
The system features a user-friendly interface with a powerful chroma key and functions using up to three camera feeds without the need for camera sensors, cutting costs and installation time.
In producing videos, I try to find the right tool, the right program for the particular job at hand, rather than letting the software itself guide my process (although that has accidentally occurred--for instance, I once discovered that a bad chroma key could yield a kind of painterly gesture).
The technique, called chroma key, is used by video editing software to select one color in the original video clip or picture (in this case green) and make it transparent so the image placed "behind" it comes through.
But now, with advances that have proven both economical and time-saving, the technology, called "chroma key" in TV antiquity, has become ubiquitous.