Abstract
The paper examines the general notion that place of articulation of vowels and plosives are primarily cognized by the formant frequencies and the transitions thereof respectively. A brief status report on the objective classification of vowels based on formant frequencies is presented including an experimental study of relevant parameters of formant frequencies for machine classification of plosives from correctly spoken VCV syllables by native speakers. The paper contains details of the test for cognitive assessment of the aforesaid general notion. For this normal speech signals are altered using digital tools. The test bed is Bangla isolated vowels and plosives in nonsense VCV syllables. 30 native educated listeners are used. The result of the listening test is reported which shows that, in general, neither the frequencies (for vowel cognition) nor the transitions of the first two formants (for plosives) are necessary or sufficient for the cognition of the places of articulation.
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Datta, A.K., Mukherjee, B. (2012). On the Role of Formants in Cognition of Vowels and Place of Articulation of Plosives. In: Ystad, S., Aramaki, M., Kronland-Martinet, R., Jensen, K., Mohanty, S. (eds) Speech, Sound and Music Processing: Embracing Research in India. CMMR FRSM 2011 2023. Lecture Notes in Computer Science, vol 7172. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31980-8_17
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DOI: https://doi.org/10.1007/978-3-642-31980-8_17
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