University of Central Florida (UCF) SPA3011 Speech Science Practice Exam 2

When evaluating the voice characteristics of a middle-aged female, the fundamental frequency measurement is essential in determining typical vocal pitch. The average fundamental frequency for adult females typically hovers around 190-220 Hz. A fundamental frequency of 126 Hz falls significantly below this average range, indicating a lower pitch than what is typically expected for middle-aged women.

This particular measurement provides important insight into the voice quality and can reveal relevant clinical information regarding vocal health or any potential voice disorders. Lower frequencies can sometimes be associated with various factors, such as hormonal changes, vocal fold mass, or age-related changes in the larynx. Therefore, the identification of a fundamental frequency of 126 Hz indicates the voice is below average in pitch for a female in that demographic.

In contrast, the other options, which include jitter and shimmer levels, reflect different aspects of vocal quality such as stability of pitch and amplitude, but they do not directly indicate fundamental frequency or pitch. Hence, they are not relevant to determining if the fundamental frequency is below average.