Formants Analysis of American, Australian and British Accents

J. Chupan, M. Asadinia, and S. Ghorshi (Iran)


Accent, cross entropy, formants and vocal tract.


This paper compares and quantifies the differences between formants of speech across accents. The cross entropy information measure is used to compare the differences between the formants of vowels of three major English accents British, American and Australian. An improved formant estimation method, based on a linear prediction model feature analysis and a hidden Markov model of formants, is employed for estimation of formant trajectories of vowels and diphthongs. The impact of vocal tract length on accent is also examined. Comparative analysis of formant space of the three accents indicates that these accents are mostly conveyed by the first two formants.

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