Auditory perception of impulsiveness and tonality in vocal fry
Vinod Devaraj, Imme Roesner, Florian Wendt, Jean Schoentgen, Philipp Aichinger · 2024
In this study, we examined the relationship between the parameters of voice production and the perceptual aspects of vocal fry, which is a voice quality present in both healthy and disordered voices.Two perceptual experiments were conducted to investigate the impact of the fundamental frequency, open quotient, and glottal area pulse skewness on the perception of vocal fry in synthetic vowels.Thirteen listeners participated in the experiments and rated binary fry (yes/no) and attributes such as impulsiveness, tonality, and naturalness on 7-point Likert scales.The results indicate that a low fundamental frequency primarily triggers the perception of vocal fry, although the open quotient also plays a role, and narrower glottal area pulses slightly increase the probability of perceived fry.The perceived tonality is inversely related to perceived impulsiveness.