threshold of intelligibility for speech

threshold of intelligibility for speech

[¦thresh‚hōld əv in‚tel·ə·jə‚bil·əd·ē fər ′spēch]
(psychology)
The sound intensity level at which 50% of the words, nonsense syllables, or sentences used in the articulation test are correctly identified.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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