Modulation - Definition

n 1: a musical passage moving from one key to another [syn:
transition, modulation]
2: (electronics) the transmission of a signal by using it to
vary a carrier wave; changing the carrier's amplitude or
frequency or phase
3: rise and fall of the voice pitch [syn: intonation,
modulation, pitch contour]
4: a manner of speaking in which the loudness or pitch or tone
of the voice is modified [syn: modulation, inflection]
5: the act of modifying or adjusting according to due measure
and proportion (as with regard to artistic effect)