Abstract
To determine how familiarity with a talker's voice affects perception of spoken words, we trained two groups of subjects to recognize a set of voices over a 9-day period. One group then identified novel words produced by the same set of talkers at four signal-to-noise ratios. Control subjects identified the same words produced by a different set of talkers. The results showed that the ability to identify a talker's voice improved intelligibility of novel words produced by that talker. The results suggest that speech perception may involve talker-contingent processes whereby perceptual learning of aspects of the vocal source facilitates the subsequent phonetic analysis of the acoustic signal.
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