It made for a sort of white noise that didn't disturb us at all.

But that had been a very different sort of noise.

She must do this with very great care, not spill it or make any sort of noise.

The sort of noise you imagine coming from a torture chamber.

"I guess we could rig it up to make some sort of noise," he said.

You usually hear all sorts of noise in places like this.

All around him there was a sort of grey noise.

It wasn't the sort of noise he had expected to hear beside a lake, somehow.

There was nothing, just a faint sort of windy noise on the line.

A popular source, for example, is some sort of electrical noise.