
Read this: BBC News - Olympic Games coverage: HD, robotic cameras and 3D

Summary: Technology has come a long way since the last Olympics in London in 1948, broadcast in black and white. The cables will carry ultra-high definition video, which at a resolution of 7680x4320 is an astonishing 16 times the quality of HD television. The BBC will broadcast more than 2,500 hours equivalent to almost four months of high definition television over the 17-day period, covering every sport, from every venue, on every day. - bbc.co.uk
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