Hearing one or two voices F0 and vowel segregation in younger and older adults

Tara Vongpaisal, Kathy Pichora-Fuller

Abstract


The effects of age on the ability to detect differences in the fundamental frequency (FO) of vowels and the use of this cue to identify simultaneous vowels is discussed. Older listeners with good hearing in the speech range experience relatively little difficulty understanding one talker in a quiet listening environment. Compared to normal hearing listeners, hearing impaired listeners are less able to detect difference in FO and support the hypothesis of loss periodicity coding as a characteristic of auditory aging. It is found that the reduced ability of older adults to detect difference in FO could reduce their ability to use this cue in segregating voices.

Keywords


Audition; Cognitive systems; Error analysis; Feedback; Frequency modulation; Information analysis; Speech processing; Harmonic structures; Listeners; Older adults; Vowel segregation

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