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Formant frequency information for vowels averaged across 60 male and female speakers.
data (y96)
A data frame with the following columns:
sex
- A factor indicating speaker sex.
vowel
- The vowel category in x-sampa.
f1
- A numeric vector indcating the vowel F1 in Hz.
f2
- A numeric vector indcating the vowel F2 in Hz.
f3
- A numeric vector indcating the vowel F3 in Hz.
Yang, B. (1996). A comparative study of American English and Korean vowels produced by male and female speakers. Journal of Phonetics, 24. 245-261.
#data(y96) #vowelplot (y96$f1, y96$f2, y96$vowel, logaxes = 'xy', xsampa = TRUE)
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