This is not a very good illustration of vowel formants. I recommend http://ccrma-www.stanford.edu/~jmccarty/formant.htm Richardson TR (talk) 05:02, 25 June 2009 (UTC)
Hm, funny you mention it. I am using Praat and was looking here for some better explanation and now I see the source for this image is Praat. Perhaps you should post that link in the article discussion. Mallerd (talk) 21:03, 2 December 2009 (UTC)
