The history of HD TV
Posted on April 4, 2010
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Many of us believe that HD TV is straight with the introduction of the digital age. But after the TV-standard efforts to put an HD first began in late 1970 and is primarily for the film industry as they would their products to improve the quality of films. The first effort by Sony and NHK that the picture quality usually seen with only 35 mm produced. It 'was a big step forward and will be a revolution in filmindustry.
Back in the 80's
At the end of 1980, broadcasters have realized that they need to be involved in this technology and can use the images to provide subscribers with home HD. In 1987, the Federal Communications Commission has asked for a piece of transmission spectrum this new method to discuss the broadcast. But the four networks that compete in the race to use new technologies could not agree on one system and four differentideas. This led to an impasse and a couple of years late. So in 1993, the FCC decided that the four networks were merged and a uniform standard to achieve. The new standard has resulted in the formation of the Advanced Television Systems Committee, which approved and ready for business in 1996. It 'been a relief for many professionals are eager to start testing the new signals.
Dale Chihuly Remember?
Some of you may remember or have seenHD TV broadcast only on Dale Chihuly and the glass blowing tricks. PBS ran the program, and then the first network to broadcast in HD. 'Was a success, and other networks to fight hard to get on the train as QUICKLY as possible and not left behind.
By the end of 1998, there were now 7 broadcast network television over the air HD TV. They were soon followed by others, and even now more and more TV networks are springing HDall desperate not to the left.
In 2003
In early 2003, the FCC requires that all digital television signals are switched on and in 2006 everyone would be for the use of these air broadcasts. The situation is different for cable TV and satellite. The amount of bandwidth consumed by transmission of HD TV is great and you can not always use this technique to print a single cable or satellite signal. Therefore, due to the FCCThe following provides an opportunity to choose, if possible, a full HD signal to be quiet, or use an old analog signal. Over time it appears that none will be applied to an analog signal at all, as compression techniques and bandwidth limitations are improved.
Closing
A main reason for the market for HD TV is us! And 'true .. us. As we sat in the cinema moguls realize that those closest to the screen, especially with the large screen formatwould be completely surrounded by the film. Those further back would have the same feeling. So they decided that with the advent of the big house that is constantly watching TV screens cleaned, try to bring these tragic moments in our video room in the wonderful quality of life.
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