What is HDMI? (home theater 101)

What is HDMI? (home theater 101)

Mention Apple TV, Roku, the Xbox 360, or any garden-variety HDTV set, and the term “HDMI” will inevitably pop up—especially once the subject turns to plugging one home-video gizmo into another. So, what is “HDMI,” exactly? What does it stand...
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