speech detection threshold


speech awareness threshold

the lowest sound intensity at which speech can be detected. Synonym(s): speech detection threshold

speech aware·ness thresh·old

(spēch ă-wār'nĕs thresh'ōld) The lowest sound intensity at which speech can be detected.
Synonym(s): speech detection threshold.

speech detection threshold

Abbreviation: SDT
The lowest level of sound intensity in decibels at which a person identifies a spoken word 50% of the time.See also: threshold