to modify or adapt to a specific percentage; regulate or temperament.
To change or vary the pitch, power, or tone of (one's voice or a musical instrument, like).
Electronics To vary the frequency, amplitude, period, or any other attribute of (electromagnetic waves).
Electronics to alter (electron velocity) in an electron beam.
to create, as sound, to a certain secret, or even a specific part.
To vary or inflect in a normal, customary, or music fashion.
to change the amplitude, frequency, stage, or intensity of (the service trend of a radio signal) at periods, in order to portray information become conveyed by the sign; -- an approach regularly communicate information by way of radio waves transmitted by one digital camera and received by another.