quiet down

You’re trying to quiet down the noise and trying to block out all of the voices.

But by mid-evening Sunday, he added, “Things are pretty much quieting down, for the most part. ... The good news is, without a lot of storm activity, perhaps aviation-related tactics can be resumed.”

"By the time the National Guard even came, mostly everything had quieted down."

A few minutes later, Sunny Lee, the university’s dean of students, asked the crowd to quiet down.

“Shut up!” said Robert, glaring at the other boys, who all quickly quieted down.