3D TV

“3D” describes a variety of technologies used to create realistic three-dimensional or stereoscopic images on a display. 3D displays can be either “active”- requiring viewers to wear special glasses that are electronically synchronized to the display, “passive”- requiring viewers to wear special glasses that use polarizing technology and do not require electronics, or “glasses-free” (Auto-stereoscopic) displays that do not require glasses.
HDMI uses several different methods to encode the 3D images into the video signals- “top-and-bottom”, “side-by-side” and “frame-packing”. 3D signals generally require higher bandwidth than 2D signals.

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