A long continuous sound came from his open throat, a keening beyond pain or hope.

Soon we also could hear the loud and continuous sound of guns.

This in turn will allow the generation of continuous sounds, and sounds which change with time.

That was when he heard an odd, low, continuous squealing sound.

A circular steel loop gives out a continuous buzzing sound.

Quickly their crashing fall became an almost continuous sound.

The bleep was the alert - wait for the continuous sound, which is the summons.

At its highest speed this ticking changed into a continuous sound of trickling.

If noises are separated by very short intervals we hear them as a continuous sound.

When a continuous sound was heard from the second beam the crew knew they were above the target and began dropping their bombs.