SMC219Y1 Chapter Notes - Chapter 6: Nielsen Audio, Vin Scully, Narrowcasting
30 Oct 2012
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Document Summary
Biagi chapter 6 - radio: riding the wave. Radio is everywhere, but what we hear today is diff and diff in meaning than heard decades ago. Today they are an accessory rather than a once necessary technology. Telegraph telephone wireless telegraphy (radio signals) Radio waves were hertzian waves when he discovered it. 4 pioneers of radio broadcast: (1) wireless breakthrough: guglielmo marconi. Msg should travel without wire thus invented wireless messaging (2) experimental broadcasts: reginald aubery fessenden (canadian) Fessenden"s 1906 experiment is the first voice and music broadcast (3) detecting radio waves: lee de forest. 1907: he perfected a glass bulb called the audion, which could detect radio waves. Audion became the foundation of modern broadcasting (4) radio for the people: david sarnoff. To bring music into home by wireless. He made rca nation"s primary radio distributor. Congress passed the radio act of 1912 to license people wanting to broadcast or receive msgs.
