ObjectiveShifting the mean fundamental frequency (F0) of target speech down in frequency may be a way to provide the benefits of electric-acoustic stimulation (EAS) to cochlear implant (CI) users whose limited residual hearing precludes a benefit typically, even with amplification. However, previous work showed a decline in the amount of benefit at the greatest downward frequency shifts, and we hypothesized that this might be related to F0 variation. Thus, in the current study we sought to determine the relationship between mean F0, F0 variation, and the benefits of combining electric stimulation from a cochlear implant with low-frequency residual acoustic hearing.
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