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Formant frequency information for vowels averaged across 50 male speakers.
data (f73)
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.
f4
- A numeric vector indcating the vowel F4 in Hz.
Fant, G. (1973). Speech sounds and features. Cambridge, MA: MIT Press.
#data(f73) #vowelplot (f73$f1, f73$f2, f73$vowel, logaxes = 'xy', xsampa = TRUE)
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