A sound had attracted his attention, from the outer door.

Another sound had attracted his attention, a noise behind him.

So deep was he in meditation that a new sound did not at first attract his attention.

His sounds attracted the deputies, and they suddenly started in among the trees.

He was still doing this when a faint sound behind him attracted his attention.

He looked around, wondering if the sound had attracted attention.

The sound of the shots had not yet attracted people from the street.

That much sound would attract attention in the nearby house.

However, any sound within the correct range will attract it, even a person humming.

I went on thinking, like this, for ten minutes or so; then the sound of a bell inside the building attracted my attention.