(Screencast window, with narrator at right, subject window at left.)ĭedicated screencasting apps provide a way to capture two or more streams of video, then overlay them so that the narration window is visible in one corner or the other, out of the way of the action that’s taking place on the computer screen. It’s almost like having a live instructor telling you how to do something, and much more effective than just hearing a disembodied voice intoning words while you watch the screen. A tried-and-true format for screencasts is to capture the computer screen while a task is being performed, with a “talking head” window showing the narrator describing what’s going on (see screenshot below). Screencasts are perfect for teaching a large audience how to do something, which is why YouTube is chock-full of screencasts showing how to fix photos with various photography apps, how to use pivot tables in Excel, and a million other things. We’re offering this article as part of our buildup to the National Association of Broadcasters (NAB) show in Las Vegas, April 7-12, 2018. There are a lot of apps that can make screencasting easy, but many of them are also quite expensive! In this article, I’ll demonstrate one simple way to record your own screencasts with an app that’s already on your Mac - QuickTime Player. Have you ever been tempted to make your own screencasts? They’re usually video tutorials of some sort, showing how to perform a task on a Mac while a narrator provides explanations of what’s going on.
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