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Workshop

Review the questions and answers in this section to try to sharpen your Premiere transparency techniques. Also, take a few moments to tackle my short quiz and the exercises.

Q&A

Q1:No matter how many different key types I try, I get a “halo” effect along the edges of my keyed objects, especially in their hair. What should I do?
A1: This is endemic to this technology. Using DV camcorders and Premiere's less-than-pixel-specific keying controls means you may never get rid of those halos. Some video capture cards, such as the Canopus Storm, have a much higher quality Chroma key tool. You may notice that your local weather forecaster does not have such halos (unless you live in a tiny TV market that's behind the technology curve). Many of those stations use a keying technology from Ultimatte (www.ultimatte.com). It offers incredible flexibility and creates very clean keying in difficult situations, such as through smoke, hair, water, and glass. Ultimatte offers a Premiere plug-in for $1,495. The hardware prices start in the neighborhood of $28,000.
Q2:Why can't I see the video clip on the highest track? Isn't that how it's supposed to work?
A2: If you make any kind of transparency adjustment to a track, Premiere turns off its display. Even if you use the little eye icons to turn off a video track, a clip with any transparency, even if it's only a 1% drop in opacity, becomes invisible. You can see the clip if you do a real-time preview or an Alt/Option-scrub preview, or if you render the clip.


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