She had to raise her voice above a rising background murmur.

Reaching over to the computer link, Selar muted the music to a background murmur.

Out of the background murmur, she heard a high-pitched twittering.

The background murmurs of the excited men added to my numb state.

The noise level had dropped to a background murmur.

At first Sam's voice was a constant background murmur, and then she fell silent for so long that it drew his attention.

There was a background murmur, but no one spoke up.

And he could hear the background murmur of traffic from the boulevard a kilometer or so away.

Engines sounded everywhere in the quiet of the streets, a background murmur.

The words melted into a background murmur as he went down the hall.