The overhead lightspheres glowed brightly, probably powered by a site generator, but the gentle, almost inaudible hum was just as she remembered.

Instead, there was a low hiss, the faint crackle of static, and an almost inaudible hum that made Caitlin's teeth ache.

As he did so, the choir seemed to sigh and swell, then fell back to its almost inaudible hum.

The ship's engines idled low in the background, an almost inaudible hum, driving the generators.

The house was silent around her, except for the almost inaudible hum of electricity that said the house was wired and everything was working.

It stopped.and now there was only the sound of the rain hissing on those boards, and the almost inaudible hum of Gilbert's machine.

"Testing, commo check," he subvocalized without opening his mouth or making more than a softly inaudible hum.

The trooper gazed admiringly at the luxurious, two-wheeled monster; listened appreciatively to its almost inaudible hum.

The engine room was a place of stillness and peace, save for the almost inaudible hum of the drive, running at half a million Gauss flux-density.

Its almost inaudible hum grew in intensity as the crystals shook faster and faster.