He could almost feel the room vibrating with the electrical hum running through them.

There was so much uncomfortable silence between the questions and answers, I could actually hear the electrical hum of the video equipment and studio lights.

She heard an electrical hum, not far away in the darkness.

An electrical hum like a thousand bee hives filled the plane's interior.

He flipped a switch and one of the huge kettledrum operating lights came to life with a low electrical hum.

Then suddenly an electrical hum began vibrating through the air.

The sound of breath and mumbling against an electrical hum.

There seemed to be a low, electrical hum coming from all over his body.

The electrical hum that pervaded the spacecraft seemed fainter here, muted.