Revisiting the speaker discriminatory power of vowel formant frequencies
Julio Cesar Cavalcanti · Figshare · 2024
The data comprises of vowel formant and vowel duration values for two speaking styles: Dialogue and Interview.Acoustic-phonetic parameters: • F1: the first formant frequency in Hertz measured at oral vowels mid-points; • F2: the second formant frequency in Hertz measured at oral vowels mid-points; • F3: the third formant frequency in Hertz measured at oral vowels mid-points; • F4: the fourth formant frequency in Hertz measured at oral vowels mid-points; • Vowel duration: defined as the duration of oral monophthongs including the seven phonemic vowels of Brazilian PortugueseThe participants are 20 subjects, all male, Brazilian Portuguese (BP) speakers from the same dialectal area (state of Alagoas). Each speaker is coded with a letter and a different letter number, e.g., A1, A2, B1, B2, C1, C2.The "Random" column was employed to arrange the data order randomly during tests.