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Word Count: 693
It all started when Thomas Edison invented the phonograph This opened up the idea of receiving and playing professionally produced entertainment at home As the years went by there have been many advances in technology and ways to transmit signals through the air waves into peoples homes After all this is what its mostly used for to get programs into peoples homes Whether it be movies commercials instructional videos music PSAs news sports Whoever creates these programs have the intention of letting somebody else watch themToday in America our current broadcast standard is a 525 line60 field per second based system called the NTSC National Television systems Committee This committee was established to insure order in the development process within the industry that would be accepted by the FCC This standard was created in the 40s and 50s Each receiver sold to the American public must conform to received the NTSC signal This signal has proved to be a durable way of transmitting information for 50 years But with todays technology a new standard has been in the works HDTVIn September 1992 NBCs WRC-TV in Washington DC became the first television station in the country to send HDTV signals over the air waves WRC-TVs general manager then stated With advanced digital high-definition television viewers will experience unmatched picture quality and superior sound resolution There are many pros and cons regarding having HDTV as the new standard Not all broadcasters are interested in HDTV at all During the transitional period broadcasters will have channel space to send NTSC signals and HDTV signals simultaneously At first the timeline for this to take place was about 7 years down the road Now experts are saying 15 years is more accurate Broadcasters are eager to see which of the major corporations will be the first to make the changeEven though a broadcast standard is a handful of years away HDTV is already being used in other ways Hospitals
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