| Noun | 1. | modulation - a musical passage moving from one key to another | |
| 2. | modulation - (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phaseelectronics - the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices transmission - communication by means of transmitted signals | |
| 3. | modulation - rise and fall of the voice pitchsingsong - a regular and monotonous rising and falling intonation | |
| 4. | modulation - a manner of speaking in which the loudness or pitch or tone of the voice is modifiedmanner of speaking, delivery, speech - your characteristic style or manner of expressing yourself orally; "his manner of speaking was quite abrupt"; "her speech was barren of southernisms"; "I detected a slight accent in his speech" | |
| 5. | modulation - the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)revision, alteration - the act of revising or altering (involving reconsideration and modification); "it would require a drastic revision of his opinion" | |