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How Home Theater and HDTV Work by Michael Troller, Michael Miller

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Part 2. How High-Definition Television Works

How High-Definition Television Works

Figure . 

Our current NTSC television system is more than a half-century old.What was state-of-the-art in the 1950s is woefully inadequate today; today’s larger television screens and higher-resolution source material require a better way to reproduce picture and sound than what we’ve grown used to over the years.

The first step to improving the quality of our television broadcasts is to move from analog to digital transmission. Just as digital compact discs replaced analog records, digital television will replace our outdated analog broadcasting system. Digital signals don’t deteriorate as analog signals ...

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