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<lom:langstring xml:lang="en">Singing voice directivity database: Frequency data, IQR data</lom:langstring>

  
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Frequency data (results for each pitch, vowel, and phonation mode)

Data for percentile plots (averaged metrics evaluated at the harmonics for each pitch, singer, vowel, and phonation mode)

cite with corresponding article:
https://www.mdpi.com/2624-599X/4/4/51

Brandner, M.; Frank, M.; Sontacchi, A. Horizontal and Vertical Voice Directivity Characteristics of Sung Vowels in Classical Singing. Acoustics 2022, 4, 849-866. https://doi.org/10.3390/acoustics4040051

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