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Coarticulation refers to the influence of the articulation of one sound on the articulation of another sound in the same utterance. Effects of the coarticulation in an utterance have to be analyzed for developing a triphone-based speech recognition system, text-to-speech (TTS) system, etc. The conventional Fourier transform-based spectrogram fails to capture the formant transitions between two adjacent...
Inadequate velopharyngeal closure, due to structural or neurological problems, allows air to pass through the nasal cavity leading to introduction of inappropriate nasal resonances during speech production resulting in hypernasal speech. Our previous work on the acoustic analysis of hypernasal speech using group delay function for the detection of hypernasality showed stable effects of vowel nasalization...
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