"modulations" in the noun sense
1. transition, modulation
a musical passage moving from one key to another
electronics) the transmission of a signal by using it to vary a carrier wave changing the carrier's amplitude or frequency or phase
3. intonation, modulation, pitch contour
rise and fall of the voice pitch
4. modulation, inflection
a manner of speaking in which the loudness or pitch or tone of the voice is modified
the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)
Source: WordNet® (An amazing lexical database of English)
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