frequency modulation


General Science

  • noun a radio transmission method in which the frequency of the wave carrying the signal is varied according to the characteristics of the sound being broadcast

Cars & Driving

  • noun a system of broadcasting using VHF.


  • A method of modifying a sound wave signal to relay information.

Information & Library Science

Media Studies

  • noun a method of transmitting audio or visual information using radio waves, where the amplitude remains constant but the frequency varies according to the input signal.