Create vowel

This command generates vowel‑like Sounds from the input values or by selecting from a list of preset vowels. The list of vowels and their average frequency values have been extracted from the formant table Peterson & Barney 1952.

Two synthesis methods are available:

Parts of this script were adapted from the file "VowelEditor.cpp" of the Praat source code, and from the script by Tom Wempe and Paul Boersma "Appendix K - Vowel generator", included in "Rauber, A. (2006). Perception and production of english vowels by brazilian efl speakers"