Nasometry devices are medical devices used for nasalance testing and analysis of speech sounds. Nasometry devices are useful in objective measurement of nasal properties of speech in patients with cleft palate, deviated nasal septum or other nasal abnormalities. The devices analyze the nasal properties of speech by measuring the acoustic energy distributed between the nasal and oral cavities during speech. This helps in evaluating the differences in speech between nasal and oral sounds and assists in determining the extent and nature of velopharyngeal dysfunction.
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