This new keyer also features foreground, background and edge adjustment controls, and chroma correction tools for spill and flare suppression so you can fine tune the key. The advanced keyer features adjustable on-screen controls for selecting and sampling a region of color from the image. Advanced Chroma Keyer Introducing the new ATEM Advanced Chroma Keyer!Īll ATEM switchers feature built in chroma, luminance, linear and pattern keyers, however the new advanced ATEM 4 M/E Broadcast Studio 4K model now features a new next generation advanced chroma keyer that lets you pull incredibly clean keys for truly professional, broadcast quality live compositing.