Abstract:Psychometric functions of vowel detection and vowel identification were measured in multi-talker babble for young normal-hearing listeners. A four-interval forced-choice procedure was used to examine the accuracy of vowel detection in babble with speech level presented from 0- to +15-dB sensation level relative to vowel detection thresholds obtained with method of limits. The accuracy of vowel detection was significantly influenced by vowel category and sensation level. The threshold of vowel detection for eac… Show more
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