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Journalism and Communication - Essay Example
Author : marquiselebsack
Journalism & Communication
Pages 4 (1004 words)
Introduction:- The television was not invented in a one shot, rather it was an evolutionary process which began over a hundred years ago. The continuous advancement of technology and fierce competition among sellers of television drove the TV forward to produce what it is today (Bruin and Smits)…
The digital television is a much advanced system wherein users can disturbance free audio and visual signals while achieving much higher spectrum efficiency than analog televisions (WU, Hirakwa and Reimers) 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 the system continued. ...