Importance of glottis landmarks for the assessment of cleft lip and palate speech intelligibility

The present work explores the acoustic characteristics of articulatory deviations near g(lottis) landmarks to derive the correlates of cleft lip and palate speech intelligibility. The speech region around the g landmark is used to compute two different acoustic features, namely, two-dimensional disc...

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Bibliographic Details
Published in:The Journal of the Acoustical Society of America 2018-11, Vol.144 (5), p.2656-2661
Main Authors: Kalita, Sishir, Mahadeva Prasanna, S. R., Dandapat, S.
Format: Article
Language:English
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Summary:The present work explores the acoustic characteristics of articulatory deviations near g(lottis) landmarks to derive the correlates of cleft lip and palate speech intelligibility. The speech region around the g landmark is used to compute two different acoustic features, namely, two-dimensional discrete cosine transform based joint spectro-temporal features, and Mel-frequency cepstral coefficients. Sentence-specific acoustic models are built using these features extracted from the normal speakers' group. The mean log-likelihood score for each test utterance is computed and tested as the acoustic correlates of intelligibility. Derived intelligibility measure shows significant correlation (ρ = 0.78, p 
ISSN:0001-4966
1520-8524
DOI:10.1121/1.5062838