modulate
v.v. to change the way you speak or sing to make it more interesting. In electronics, it means changing a signal to carry information.
v. to vary the pitch, tone, or volume of a voice or musical instrument; in electronics, to impress a signal onto a carrier wave. Often used in the context of communication or signal processing.
The singer learned to modulate her voice to sound more emotional.
The technician had to modulate the radio signal to ensure the data could be transmitted over long distances without interference.
By modulating the intensity of the light source, the researchers were able to create a series of pulses that corresponded to the binary code of the transmitted data.
From Latin modulor (“to measure, regulate, modulate”) + -ate (verb-forming suffix), from modulus (“measure”); see modulus. Compare module. By surface analysis, modul(e) + -ate.