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Purpose

In this study, the authors aimed to determine the relationship between relative fundamental frequency (RFF) and listener perception of vocal effort in individuals with varying degrees of vocal hyperfunction.

Method

Thirty women diagnosed with voice disorders commonly associated with vocal hyperfunction and 10 healthy women provided speech samples that were used to obtain parameters of RFF. Twelve listeners judged the speech samples for overall severity and vocal effort (VE) using rating scales.

Results

Significant but relatively weak negative correlations were found between perceptual measures and offset RFF parameters. Although offset RFF was increased in healthy participants relative to speakers with voice disorders, no differences were seen in RFF as a function of severity of VE in individuals with voice disorders.

Conclusions

Although a statistically significant correlation between offset RFF and …