Sitting up, he could hear a faint noise, strange and high.
At the end of an hour, he heard a faint noise, which increased.
At last I heard a faint noise from the entrance.
A faint noise came from the thing, but nothing else seemed to result.
There was a faint noise, and he turned back to face her.
It's rather like hearing a faint noise from your car.
He had heard a faint noise somewhere in the distance.
Then he heard a faint noise above them, and looked up himself.
Then all of them heard a noise, faint but clear.
I could only hear the faint noise of the engine at first.