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- W2018442877 abstract "This study evaluated the influence of open quotient (OQ), fundamental frequency (F0), and intensity on listener ratings of vocal effort for isolated synthetic vowels. Glottal waveforms (duration: 1000 ms) were synthesized using a model developed by Rosenberg [J. Acoust. Soc. Am. 49, 583–590 (1971)]. Signals were generated using six different OQs ranging from 0.2 to 0.7 at each of eight distinct F0 values. Four F0 values were in a typically male range (100–142 Hz) and four in a typically female range (178–253 Hz). The glottal waveforms were passed through formant resonators with formant frequency settings characteristic of the vowel /a/. Signals were randomly presented at 80, 83, and 86 dBA to 20 listeners who used visual analog scales to rate each sample on dimensions of vocal effort, loudness, pitch, breathiness, and naturalness. Mean vocal effort ratings showed a weak negative association with OQ (r=−0.34) and weak-moderate positive associations with F0 (r=0.45) and intensity (r=0.55). Multiple regression analysis revealed that a linear combination of the three variables accounted for 68% of the variance in vocal effort ratings. These results suggest that the perception of vocal effort relies on multiple acoustic cues." @default.
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- W2018442877 date "2008-10-01" @default.
- W2018442877 modified "2023-10-14" @default.
- W2018442877 title "Acoustic correlates of vocal effort." @default.
- W2018442877 doi "https://doi.org/10.1121/1.4782817" @default.
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