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General Knowledge About HDTV Broadcasting

General Knowledge About HDTV Broadcasting


    

General Knowledge About HDTV Broadcasting

by Mel Loewe

High-Definition Television, also known as HDTV, is digitally broadcast television, which has slowly replaced analog versions with higher resolution and better image quality than standard-definition TV.

This new system requires higher bandwidths, and the U. S. Federal Communications Commission alongside the TV industry, has taken steps to ensure it can be properly introduced in the United States.

Initially, economic and technological barriers made standardization of the new digital programming very difficult; however, Japan was able to successfully make the complete switch from analog broadcasting in the year 2007.

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HDTV came to the United States in the 1990s and was first introduced by the Digital HDTV Grand Alliance, a conglomeration of television companies. The first high definition broadcast occurred in 1996 in Raleigh, North Carolina and later launches followed. The TV system was first broadcast in 2004 with the launch of the HD1 channel and broadcasting of its Vienna New Year's concert.

The three main aspects of high-def TV are frame size, scanning system and frame rate, all of which are specific to this type of broadcast. This influences resolution, which is twice that of standard-def TV, allowing for greater detail.

In order to view HDTV, a high-definition television is necessary, alongside other equipment. This may include special cable box that contains a tuner and cable card slot specific to the broadcasting system. Customers need to check with their cable provider in order to determine what equipment is necessary.

The newer, more advanced high-definition system allows for video storage and recording of live broadcasts. TiVo is one of the most widely known cable boxes allowing for such recording, as well as the ability to view more than one program at the same time.

American cable companies are required by federal legislation to provide the necessary tools, tuners and cable boxes for their customers to obtain digital recording capabilities.

While online purchases of televisions and cable boxes is growing in popularity, many U. S.-based customers are continuing with the traditional method of in-store purchase for their equipment. This typically comes with in-home installation as well, allowing experts to come into a customers home to provide services.

HD-ready televisions have been starting to drop significantly in price; however, the price range remains huge and varied. Some televisions can be purchased for as little four hundred American dollars, while others are selling for as much as fifteen thousand dollars. The good news is that lower prices are also making HDTVs more available to consumers.

Although the major disadvantage of HD is its inability to work with preexisting analog equipment, the better picture quality and ease of recording has made it popular. Signals and decoding are impossible between the two systems without converters and buying more equipment. HDTV is characterized by the ability of broadcasters to produce several signals simultaneously and with the same bandwidth. It also has better picture quality, even on smaller displays, which is appealing to many viewers. As a result, more and more households and businesses are beginning to adopt this new digital system

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