Broadcasting - History

History

The term broadcast was first adopted by early radio engineers from the Midwestern United States, treating broadcast sowing as a metaphor for the dispersal inherent in omnidirectional radio signals.Broadcasting is a very large and significant segment of the mass media.

Originally all broadcasting was composed of analog signals using analog transmission techniques and more recently broadcasters have switched to digital signals using digital transmission.

  • Analog audio vs. HD Radio
  • Analog television vs. Digital television
  • Wireless

The world's technological capacity to receive information through one-way broadcast networks more than quadrupled during the two decades from 1986 to 2007, from 432 exabytes of (optimally compressed) information, to 1.9 zettabytes. This is the information equivalent of 55 newspapers per person per day in 1986, and 175 newspapers per person per day by 2007.

Read more about this topic:  Broadcasting

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Famous quotes containing the word history:

    Whenever we read the obscene stories, the voluptuous debaucheries, the cruel and torturous executions, the unrelenting vindictiveness, with which more than half the Bible is filled, it would be more consistent that we called it the word of a demon than the Word of God. It is a history of wickedness that has served to corrupt and brutalize mankind.
    Thomas Paine (1737–1809)

    Let it suffice that in the light of these two facts, namely, that the mind is One, and that nature is its correlative, history is to be read and written.
    Ralph Waldo Emerson (1803–1882)

    The whole history of civilisation is strewn with creeds and institutions which were invaluable at first, and deadly afterwards.
    Walter Bagehot (1826–1877)