The phrase "audibility thresholds" is correct and usable in written English.
It can be used in contexts related to sound perception, hearing studies, or audio engineering to refer to the minimum sound level that can be heard by a listener.
Example: "The study aimed to determine the audibility thresholds of various frequencies in different age groups."
Alternatives: "hearing thresholds" or "sound detection levels".
Estimated inharmonicity coefficients (bold solid line with dots) for the whole Clavinet keyboard range against audibility thresholds (solid line) and confidence bounds (dashed lines) evaluated in [29].
The estimate of the B coefficient for the whole keyboard is shown in Figure 6 and plotted against inharmonicity audibility thresholds as reported in [29].
The analysis shows a slight change in time of the pitch, which, however, is perceptually insignificant, with a variation of at most 1 to 2 cents, while audibility thresholds are usually much higher [33].
From this comparison, it is clear that inharmonicity in the low keyboard range exceeds the audibility threshold and its confidence curve, meaning that its effect should be clearly audible by any average listener.
Wind farm ILFN was found to exceed the audibility threshold at distances up to 4 km from the wind farm and to undergo large variations in magnitude with time.
where d is a distance between distributions (for example the Kolmogorov-Smirnov distance, denoted by dKS in the following), dpercept is a perceptual distance between audio signals and dth is the audibility threshold for this distance.
Despite murmurs and tones are easily distinguished, weak murmurs and below audibility threshold easily disappear in background sound.
Again and again the strings hovered at the threshold of audibility; woodwinds danced alongside vocal lines, with brasses providing a countermanding heft.
As they played near the threshold of audibility, your listening grew sharp and broad, folding the room's ambience and outdoor street sounds into the piece.
These vibrations, like those of all noises, extend outward in all directions from the source, gradually decreasing to zero or to below the threshold of audibility.
