The future of TV as seen in Super Hi-Vision – NHK
... Also known as Ultra HDTV, 8K, or just plain 7680 x 4320, Super Hi-Vision is NHK's proposed future high-definition TV format. To give you an idea of what those names and numbers amount to, a "Full HD" 1080p picture would take up just a sixteenth of a Super Hi-Vision screen. Last month the broadcaster demonstrated the format running on the world's largest plasma TV, a 145-inch behemoth from Panasonic that would entirely cover many living room walls. Viewing Super Hi-Vision content on the screen is a surreal experience — any closer than six feet or so and it's almost too much information to take in. ...
Super Hi-Vision has been successfully broadcast at 184Mbps using a dual-channel terrestrial signal, and NHK also demonstrated an IP transmission system that employs eight hardware H.264 encoders for use at live events. This will be put to the test during this year's Olympic Games in London, with NHK and the BBC collaborating on public Super Hi-Vision screens to be set up in Japan, the UK, and the US. ...
The format supports up to 22.2-channel surround audio, and NHK is working on ways to produce content complex enough to justify such a system. These range from a single-point microphone that can capture audio from 22 directions to a "reverberation device" that can control 3D sound. It's difficult to imagine significant uptake of 22.2 sound in the home, but it's pretty amazing to actually hear. ...
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