Vowel Manipulation, Normalization, and Plotting vowels is an R package for the manipulation, normalization, and plotting of phonetic and sociophonetic vowel formant data. vowels is the backend for the NORM website. Software Tyler Kendall <tsk3@duke.edu> Tyler Kendall and Erik R. Thomas GPL-3 2010-04-11 application/tgz http://CRAN.R-project.org/package=vowels