Until recently, virtual reality was the preserve of the gaming crowd but producers say the technology is on the cusp of a boom which could change forever the way television is made. Leading the charge is visual effects studio CBS Digital, which has developed "Parallax," a VR system which could potentially do away with on-location filming altogether. The company has laser-scanned endless parts of the United States, overlaying the geometry with hi-res images to produce fully explorable, 3D virtual sets into which real actors can be embedded.



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