Friday, January 31, 2020

Digital Video Broadcasting Term Paper Example | Topics and Well Written Essays - 1000 words

Digital Video Broadcasting - Term Paper Example Evolution of Television:- European and North American inventors pioneered the TV. Television is a hybrid word coming from the Greek letter ‘ Tele’ meaning far, and Latin word ‘visio’ meaning sight. 1) Monochrome TVs: - These early generation televisions were mostly based on electrochemical systems. The screen had a small motor with a spinning disc and a neon lamp which gave a reddish orange picture comparable in size to a business card (Udelson). The system continued to evolve with the inception of a line system to improve the results of the TV. In 1937 the 405 line monochrome system, known then as the ‘HD’, was selected as the UK standard of television. By 1950, most European countries had the 625 scanning lines, 25 frame per second, TV system as standard. Meanwhile, plenty of experimentation was taking place in the USA, however, the Federal communications commission was not satisfied with the quality of the systems and work on development of t he system continued. In 1942, the FCC endorsed the efforts of the National television systems committee and established a standard of 525 scanning lines with 60 frames per second. (Pritchard and Gibson) 2) The advent of Color TV: - During the 1940s, various color television systems were proposed and demonstrated in the United States. The first color television was developed in the early 1950s by the national television systems committee and submitted to the federal communication commission in 1953. Color TV was not successful in the United States until a decade of its introduction. Few color TVs were sold because they were expensive and there were not many programs televised in color. Time magazine even called color TV as ‘the most resounding industrial flop of 1956’. Slowly but surely, however, color TV started to thrive when color programs started to show up in abundance.

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