Nasals and approximants consonants are often confused with each other. Despite the distinction in the production mechanism, these two sound classes exhibit a similar low frequency behavior, and lack significant high frequency content. The present study uses a spectral representation obtained using the
zero time windowing (ZTW) analysis of speech, for the task of distinction between these two. The instantaneous spectral representation has good resolution at resonances, which helps to highlight the difference in the acoustic vocal tract system response for these sounds. The ZTW spectra around the regions of glottal closure instants are averaged to derive parameters for their classification in continuous speech.
Added on December 19, 2018
Contributed by : Individual
Product Type : Research Paper
License Type : Freeware
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Author : RaviShankar Prasad,Sudarsana Reddy Kadiri,Suryakanth V. Gangashetty,B. Yegnanarayana