speech detection threshold

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speech awareness threshold

the lowest sound intensity at which speech can be detected.

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
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If SDDC were to bill against the TAC, the Air Force would have to make provisions for the rising cost of transportation and an increased budget for the SDT fund.
Running on Mason's batteries and fueled by the imaginations of its dancers, SDT is sure to continue its break out from the regional mold, as it continues to explore, as Mason says, "the edge between humor and pathos.
SDT is a leading designer and manufacturer of ultra-low-power semiconductor solutions for hearing aids and portable, battery-powered DSP applications, and a leading provider of advanced high density interconnect technologies used in custom miniaturized packages.
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The SDT dance package is subject to availability and members should quote their membership number.
Thursday saw Vivod SDT, one of my personal favourites -- that was until the original trial moved down from its wonderful site high above Llangollen.
They served no legitimate commercial purpose, involved huge sums and sometimes promised ``absurd returns'', said Timothy Dutton QC for the SDT.
Previously a division of Gennum Corporation, SDT has a 37-year history of innovation in developing leading-edge miniaturized audio processors.
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Chesapeake Granite Wash Trust (NYSE: CHKR-Free Report) also with a yield over 23% has taken a similar trajectory to SDT since its IPO.