UNIT 20 NOTES

UNIT 20 NOTES - Intro to Journalism Always a Bad Rap Most...

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1 Intro to Journalism Dr. Fred Blevens Unit 20: TV, A Cultural Nightmare? Always a Bad Rap Most popular medium since 1950s, but . . . Widely viewed as a cultural nightmare Polls show it the biggest influence on teen sex and violence Politicians decry it, but use it for negative advertising The upside . . . It helped expose civil rights violations In 1980s, it did that as well in Eastern Europe and China It’s where we turn to for news and information Millions experience something simulataneously How big was it? 1948: 1 percent of households at televisions 1953: 50 percent 1960s: 90 percent Today: More than 75 percent have more than one It All Started With a Disk Inventors had the idea for a long, long time Two ingredients . . . Photoelectric sensing material (a medium, like film) Technique for encoding pictures for transmission Paul Nipkow invented scanning disk in 1880s Small holes in a spiral allowed light to be scanned As it spun, each hole provided one line of a scene 1923: Vladimir Zworykin and Philo Farnsworth
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