Modulation is when you control or adjust something, like when you lower your voice to a loud whisper in order to make what you're saying more dramatic and mysterious.

The noun modulation has several meanings, including a change of key in music or of the sound of a person's voice. It almost always involves some kind of deliberate modification or slight change, like an actor adjusting his pitch or volume depending on the role he's playing or the mood of the scene. The Latin root, modulationem, has a musical meaning: "rhythm, singing and playing, or melody."

Definitions of modulation

n the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)

Type of:
alteration, revision
the act of revising or altering (involving reconsideration and modification)

n a manner of speaking in which the loudness, pitch, or tone of the voice is modified

Type of:
delivery, manner of speaking, speech
your characteristic style or manner of expressing yourself orally

n rise and fall of the voice pitch

intonation, pitch contour
intonation pattern
intonations characteristic of questions and requests and statements
drone, droning, monotone
an unchanging intonation
a regular and monotonous rising and falling intonation
Type of:
inflection, prosody
the patterns of stress and intonation in a language

n a musical passage moving from one key to another

Type of:
musical passage, passage
a short section of a musical composition

n (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase

show 5 types...
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AM, amplitude modulation
modulation of the amplitude of the (radio) carrier wave
FM, frequency modulation
modulation of the frequency of the (radio) carrier wave
PM, phase modulation
modulation of the phase of the carrier wave
pulse modulation
modulation that imposes a signal on a train of pulses
pulse-time modulation
modulation of the time between successive pulses
Type of:
communication by means of transmitted signals

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