F2-F1 for backness in vowel space? (Shinichi Tokuma )

Subject: F2-F1 for backness in vowel space?
From:    Shinichi Tokuma  <tokuma@xxxxxxxx>
Date:    Thu, 7 Feb 2008 13:36:54 +0900

Dear list My colleague is involved in a project on vowel production in motherese, and would like to describe the acoustic characteristics of the vowels by plotting the formant frequencies on a 2-dimensional plane (the usual vowel-quadrilateral-like plane, with [height] and [backness] in the dimensions). Particularly, he would like to represent the [height] and [backness] in auditory space. The question he has is regarding the scale of the axes. My colleague found Diehl, Traunmuller et al proposed that F1-F0 in Bark is the best acoustic correlate to represent the perceptual [height] (the y-axis), but for the perceptual [backness] (x-axis) he hasn't found a good one except F2-F1, which Ladefoged mentions in a paper and in his textbook. Are there any scales/measures that are out there in the literature for the perceptual [backness] of vowels? Any suggestion would be welcome. Thank you. Shin Tokuma =========================== Dr Shinichi Tokuma Chuo University, Tokyo JAPAN tokuma@xxxxxxxx

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