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Formant frequency information for vowels averaged across 4 male speakers.
data (b95)
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.
Bradlow, A. R. (1995). A comparative acoustic study of English and Spanish vowels. Journal of the Acoustical Society of America 97. 1916-1924.
#data(b95) #vowelplot (b95$f1, b95$f2, b95$vowel, logaxes = 'xy', xsampa = TRUE)
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