modulation

The act or process of modulating.

The state of being modulated.

A passing or transition from one key or tonality to another.

The result of such a transition.

A change in stress, pitch, loudness, or tone of the voice; an inflection of the voice.

An instance of such a change or an inflection.

The harmonious use of language, as in poetry or prose.

The variation of a property of an electromagnetic wave or signal, such as its amplitude, frequency, or phase.