There was no cheering, only a loud hum of murmuring.

A loud hum emerged from the machine as it processed Seven's request for at least five minutes.

The sound was only outdone by the loud hum of the refrigerator coming from the other room.

Only then did he break the news about seventh grade, sending a loud hum through the crowd.

We had started our rolling approach when a loud hum approached the stern out of the night.

Immediately, he could hear a loud hum as the system struggled to stop their acceleration.

We no longer saw him but could still hear his continual hum, loud or soft.

Lessa was aware of a loud hum within the Hall.

With an increasingly loud hum, the dome came through the floor.

There's a loud hum coming from the stereo; you'd better unplug it quickly.