modulate

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

调节, 调整

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

:
He learned to modulate his voice for public speaking.
他学会了在公共演讲中调节自己的声音。
The singer could modulate her pitch with great precision.
这位歌手能够非常精确地调节音高。
2.

调制, 调变

to alter the amplitude or frequency of an oscillation or wave

:
The radio transmitter modulates the carrier wave.
无线电发射器调制载波。
Engineers use circuits to modulate signals for transmission.
工程师使用电路来调制信号进行传输。