modulation

US /ˌmɑː.dʒəˈleɪ.ʃən/
UK /ˌmɑː.dʒəˈleɪ.ʃən/
1.

sự uốn giọng

the exertion of a modifying or controlling influence on something.

:
endorphins in the body are responsible for the modulation of pain sensation
2.

sự uốn giọng

variation in the strength, tone, or pitch of one's voice.

:
excellent voice modulation