
Sheldon, don't make that NOISE.
It's disrespectful.
The Big Bang Theory Season 2, Episode 2

I heard a NOISE.
The Big Bang Theory Season 3, Episode 13

What's that NOISE?
The Big Bang Theory Season 11, Episode 15

Or, there could be mold.
There could be traffic NOISE.
The Big Bang Theory Season 10, Episode 7

And the absence of background NOISE may
mean they weren't calling from the street.
Money Heist Season 3, Episode 4