The total area of the sound is about 100 km2.

She could make nothing of the last sound at all.

The quality of the picture and sound were often very poor.

It was the sense of sound I have been talking about.

What kind of sound would there be if they got him?

During this war he was known as the man of sound.

I felt the pressure of the sound on my skin.

He could still not see the source of the sound.

He had already lost his feel for appropriate level of sound.

They turned a corner and hit a wall of sound.