How Is a Digital Signal Transmitted to Your TV?
As of 2009, all American television stations switched to digital programming. The change has vastly affected the quality of programming by offering pictures that are clearer than ever before.
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Function
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The purpose of a digital signal is to provide a clearer picture for television programs. Because companies have switched to a digital versus analog signal, the need for home satellite systems are dwindling.
Features
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There are many components that go into the transmission of a digital signal. The major parts within the system are the distribution center, the program source, satellites and a home receiver.
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The Facts
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The digital signal is first transmitted from the program source, or studio, through the air waves to your cable provider. Your cable provider then sends signals to a satellite. This satellite then beams the signals to the cable receiver in your home. The receiver interprets the signals and sends the information to your television.
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References
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