Vowel formant analysis in genetically-related and unrelated speakers in Brazilian Portuguese

The present data derives from a Ph.D. research on the inter-speaker discriminatory potential of vowel formant frequencies in comparisons involving genetically-related and non-genetically related speakers.The data comprises of vowel formant values (F1-F4) both in Hertz and Bark (z1-z4).Vowels are classified as front, central, or back; the segments' duration is also included (DUR).