“Sounds of the World’s Languages” by Ladefoged and Maddieson would be a good place to start, particularly for formant frequencies…
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Dear colleagues, Can anyone point me to information about consistent physical differences between languages such as English, German, French and Italian regarding (i) formant frequencies of specific vowels, (ii) the shape of the vocal tract and (iii) the glottal open quotient? Richard Parncutt, University of Graz, parncutt at uni-graz dot at |