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When is frequency-division multiplexing used?

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Frequency-division multiplexing is used in television broadcasting when audio and video signals share a single channel; in stereophonic FM radio broadcasting when two audio signals share a single channel; and in microwave transmission of long-distance telephone calls when 60 or more conversations are carried by a single microwave beam.

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Get more facts and information about multiplexing . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

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