The Transmitted Signal
Television transmission is the process of sending the video, audio, and synchronizing signals from a transmitting facility to a receiver. In trying to get a package from one city to another, one would arrange for a truck, train or airplane to be the carrier of that package to its destination. What happens in radio and television is similar in that specific frequencies are designated as the carriers for radio and television signals. The signal that carries the information is directed out into the air so that receivers tuned to the frequency of the carrier can pick up the signal. Once it picks up the signal, the receiver can extract the information from the carrier.
Modulating the Signal
To put this information ...
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