modulated \modulated\ adj. (Electronics)
1. Having either amplitude, intensity, frequency, or phase
altered at intervals to represent information to be
transmitted; -- of the carrier wave of a radio signal
transmitted from one device to another for the purpose of
conveying information. Opposite of {unmodulated}.
[Narrower terms: {frequency modulated}; {amplitude
modulated}]
[WordNet 1.5]
2. altered in volume as well as tone or pitch.
[WordNet 1.5]