modulate

US /ˈmɑː.dʒə.leɪt/
UK /ˈmɑː.dʒə.leɪt/
"modulate" picture
1.

to vary the strength, tone, or pitch of one's voice or a sound

:
•
He learned to modulate his voice for public speaking.
•
The singer could modulate her pitch with great precision.
:
adjustregulatevaryaltertune
2.

to alter the amplitude or frequency of an oscillation or wave

:
•
The radio transmitter modulates the carrier wave.
•
Engineers use circuits to modulate signals for transmission.
:
demodulateoscillatetransmit
:
module