Her voice was quiet at first, and rapidly got louder.

But the knocking did not go away - it only got louder.

The music got louder with every step I took.

He glanced around nervously, probably because her voice had gotten louder.

Attractive people pour into the room and the noise gets louder each second.

The buzzing got louder He felt as if his brain was about to explode.

The hit parade was on, and the drumbeat just got louder.

Despite this, the crowd, mainly in their 20's, seemed to get louder every time a new cast member pushed through the door.

Walked alongside it as we came closer to the lights, the rumbling getting louder all the time.

As the voices got louder I still couldn't work out whether they were angry or that was just the way they talked.