+Modulation is the process of varying one or more properties of a [carrier wave](/wiki/carrier_wave) with a [modulating signal](/wiki/modulating_signal) to encode information. This fundamental technique allows signals, from voice to digital data, to travel efficiently across different mediums and distances.
+## See also
+- [Demodulation](/wiki/demodulation)
+- [Radio](/wiki/radio)
+- [Frequency](/wiki/frequency)
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