audibility threshold

audibility threshold

[‚ȯd·ə′bil·əd·ē ‚thresh‚hōld]
(acoustics)
The sound intensity at a given frequency which is the minimum preceptible by a normal human ear under specified standard conditions.
References in periodicals archive ?
On the other side of the spectrum are halls that have so much reverberation that the extra resonance (in the lower frequencies) merely raises the audibility threshold with a wash of background reverberation and negates what is coming out of the bell.