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  • Title: The acoustic analysis of voice in patients with multi-channel cochlear implant.
    Author: Szyfter W, Pruszewicz A, Woznica B, Swidzinski P, Szymiec E, Karlik M.
    Journal: Rev Laryngol Otol Rhinol (Bord); 1996; 117(3):225-7. PubMed ID: 9102730.
    Abstract:
    The acoustic analysis of the voice was performed in 5 implanted patients (2 children and 3 adults). This analysis was made twice in each patient one week before the implantation and the second time at least three months later. The examination was carried out using the KAY Electronics 4300 instruments and the MDVP program. The comparison of the results showed: decreased F0 value of phonation tone after the surgery in all patients; mean values of jitter and shimmer were increased in relation to norm before and after the surgery in adults and children; the gap between harmonic signal and noise (NHR) was within norm in 2 adults, and in 1 child with prelingual deafness significantly decreased after the surgery. The acoustic analysis of voice of cochlear implant patients, especially children, may be the objective evaluation of progress in speech and hearing rehabilitation. In the process of rehabilitation tendencies pointing out to the normalization of voice especially in patients with prelingual deafness was observed.
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