Abstract
Previous research suggests that both young normal-hearing and older hearing-impaired listeners judge clear speech as sounding angry more often than conversational speech. Interestingly, older hearing-impaired listeners were less likely than young normal-hearing listeners to judge sentences as angry in both speaking styles, suggesting that age and/or hearing loss may play a role in judging talkers’ emotions. An acoustic cue that helps distinguish angry speech from emotionally neutral speech is increased high-frequency energy, which may be attenuated or rendered inaudible by age-related hearing loss. The present study tests the hypothesis that simulating such a hearing loss will decrease the perception of anger by young normal-hearing listeners. Sentences spoken clearly and conversationally were processed and filtered to simulate the average hearing loss of the older hearing-impaired listeners from a previous study. Young normal-hearing listeners were asked to assign each sentence to one of six categories (happiness, sadness, anger, fear, disgust, and neutral). The judgments will be combined across listeners for each sentence, creating a percentage score for each emotion. The results from judgments of filtered stimuli will be compared with those of unfiltered stimuli as well as with results from young normal-hearing and older hearing-impaired listeners from previous studies.
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