But in the moments of their audibility they are very distinct.
It has been affirmed that 10 miles or thereabouts is its maximum range of audibility.
The whine of the distant machine rose in pitch until it passed the limit of audibility.
The symphony was ending, the final triumphant pæan soaring up and up, beyond the limit of audibility.
The thing screamed—a high, thin sound almost past the range of audibility.
Then, abruptly, the sound broke off into deathly silence as the limit of audibility was passed.
Carefully made resistances for such a purpose are sold under the name of “audibility meters.”
He laughed within a sixteenth of a note of the audibility permitted by the laws governing employees.
Beyond them two others carried on an argument that rose to audibility only now and then.
The first rumble rose to audibility and made the ship shiver.