D defs.my
Entry 2 senses Webster, 1913

modulated

· IPA /mˈɔdʒjuːleɪtɪd/
01 adj. Having either amplitude, intensity, frequency, or phase altered at intervals to represent information to be transmitted; -- of the carrier …
  1. 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.(Electronics)
  2. 2.
    altered in volume as well as tone or pitch.