The essential character of this, as of the prelude in C minor (396 K.), is modulatory.
The fabric is made up of effective changes, modulatory and rhythmic, in the material from the first part.
It abounds in modulatory changes and expresses, throughout, the note of mystical exaltation so prominent in Franck's nature.
1610s, in music, back-formation from modulation, or else from Latin modulatus, past participle of modulari. General sense from 1620s. In telecommunications from 1908. Related: Modulated; modulating.
To vary the amplitude, frequency, or some other characteristic of a signal or power source. See also amplitude modulation, frequency modulation.