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Set over one blisteringly hot summer's night when nerves are frayed and tensions ride high, the BBC’s One Night is the story of four ordinary people whose fates are linked by a seemingly inconsequential event.
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What is High Definition television?
What is HD?
High Definition gives us clear, crisp pictures with vivid colours and up to five
times more detail than a standard television picture. The increased detail results
from an increase of up to five times as many pixels in each transmitted picture.
This improvement is most readily seen on flat-
HD television receivers have to be capable of displaying pictures containing 720 or 1080 lines as apposed to the 625 lines used in a standard picture. There is a marginal improvement on pictures displayed using older TV sets with 625 lines. The BBC has opted for the best system available and transmits in the 1080 line format.
The BBC is making more and more programmes in HD but not all of its popular output is available yet. Some programmes are also broadcast with surround sound that is provided by adding additional audio streams. Most BBC HD programmes are subtitled and some have audio description.
The BBC also broadcasts outside broadcasts in HD. Recent examples are the Wimbledon tennis coverage and the Electric Proms.
The BBC provides its services in HD with no additional charge. Freeview will provide HD services at some point in 2010.
ITV provides HD services through Freesat where The Bill, Lewis and Law & Order have been broadcast in HD. They also have broadcast UEFA football and the Cup Final in high definition.
Effects of HD on production
The BBC is having to invest in new sets because HD TV is five times sharper than
standard TV and shows up the short-
Homepage ►What is High Definition Television Television?
