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equal auditory steps along F1/F2

Dear List members,

I am designing an experiment and I need to synthesize an array of vowels separated by equal perceptual magnitudes. That is to say, I need vowels that sample the acoustic vowel space in equal auditory steps along the continua F1 and F2.
Furthermore, I would like to justify such a magnitude, instead of just doing a Hz to ERB/MEL/Bark etc. conversion, for instance.
I would appreciate any comment and suggestions about the relevant literature.

Best regards,

'Life is short but wide'

Heriberto Avelino Ph. D.
Department of Linguistics
1203 Dwinelle Hall,
University of California at Berkeley
Berkeley, CA 94720-2650
Phone: (510) 642-2757
Fax: (510) 643-5688