h95 | R Documentation |
Formant frequency, f0 and duration information for vowels collected from 139 speakers in the Hillenbrand et al. (1995) data. Speaker numbers have been modified to be uniquely identifying numbers. Data has been simplified so that only "steady state" formant frequency measures are given. Missing F2 values (n = 10) and F3 values (n = 41) have been imputed using the imputeformants() function included in this package.
A data frame with 1668 observations on the following 9 variables:
sex A factor indicating speaker sex.
vowel The vowel category in x-sampa.
f1 A numeric vector indicating the vowel F1 in Hz.
f2 A numeric vector indicating the vowel F2 in Hz.
f3 A numeric vector indicating the vowel F3 in Hz.
f0 A numeric vector indicating the vowel f0 in Hz.
dur A numeric vector indicating the vowel duration in ms.
speaker A numeric vector indicating a uniquely identifying speaker number.
type A factor with levels b g m and w representing speaker type: boy, girl, man and woman.
The data was created from data provided on Dr. Hillenbrand's personal website:
http://homepages.wmich.edu/~hillenbr/voweldata.html
Hillenbrand, J.M., Getty, L.A., Clark, M.J., and Wheeler, K. (1995). "Acoustic characteristics of American English vowels," Journal of the Acoustical Society of America, 97, 3099-3111.
data(h95)
vowelplot (h95$f1, h95$f2, h95$vowel, logaxes = 'xy', ellipses = TRUE,
xsampa = TRUE)
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