November 2007
Intermediate to advanced
736 pages
46h 32m
English
The word television means viewing from a distance. In a broader sense, television is the transmission of picture information over an electric communication channel. It is desired that the picture picked up by television receiver be a faithful reproduction of the scene televised from a TV studio. Any scene being televised has a wide range of specific features and qualities. It may contain a great number of colours, gradations of shade, coarse and fine details; motion may be present in a variety of forms and the objects making up the scene are usually in three dimensions.
In the early 20th century, TV systems, primitive from the standpoint of the present day, were mechanical. Today, TV equipment ...
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