Color television transmission begins with a television camera. A mirror system breaks light from a scene into the three primary colors of light--red, blue, and green. At the same time, a microphone changes sounds into <I>audio</I> signals. Camera tubes then convert the color light images into electronic <I>video</I> signals. These signals go to the encoder, which produces a compatible color signal for transmission. The transmitter combines the audio and video signals for broadcast from the antenna.
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World Book diagram by Mas Nakagawa</P>
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