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