المستخلص: |
The study aims at analysing hypernasality in the speech production of Iraqi Arabic speaking children with surgically treated cleft lip and palate, with special focus on acoustic properties. It attempts first to display the acoustic properties of the speech production over the three stages: pre-surgery, post-surgery, and post-therapy, and then explain improvement occurs after the surgery or therapeutic sessions. The present study is the first in Iraq dealing with the speech production of persons with cleft lip and palate (CLP) and velopharyngeal insufficiency (VPI). investigates how (CLP) and (VPI), which are congenital conditions, can significantly affect speech production, resulting in articulatory or phonatory disorders. For accurate assessment and diagnosis of spectral anomalies associated with these disorders, that are crucial for guiding intervention strategies and improving communication outcomes, the programme MATLAB is used. This software serves as a powerful tool for analyzing spectral features, facilitating the identification of abnormalities related to CLP and VPI. The study has arrived at some important findings. In the case of UCLP, ICP, and BCLP, the role of both surgical interventions and therapeutic sessions is clearly stated in the study.
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