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Diagnosis of auditory processing disorder is essential for the implementation of appropriate therapeutic or remedial strategies. Formal diagnosis is accomplished through administration of battery of tests. APD is assessed through the use of special tests designed to assess the various auditory functions of the brain. Time compressed speech test provides information about auditory closure and is sensitive to cortical and subcortical regions. The present study aimed at developing a time compressed speech test in Telugu for normal hearing Telugu speaking children. The study also aimed at...

Phonatory stability refers to the steadiness and periodicity of vocal fold vibration, which is dependent on the laryngeal system maintaining relatively constant levels of muscular force during a sustained phonation (Ferrand 2006). The acoustic dimensions such as jitter, shimmer and harmonic-to-noise have been shown to reflect the stability of vocal fold vibration, referred to as phonatory stability. The current study was aimed at measuring phonatory stability in normal speaking children and adults. The Jitter, Shimmer and HNR values were obtained under auditorily masked and unmasked...

This book is based on the original work and investigates some of acoustic characteristics of Telugu speaking children with hearing impairment using amplification devices. The results indicate a significant difference in the Fundamental frequency (F0), Formant frequencies (F1,F2 and F3), Bandwidths (B1,B2 and B3), Vowel duration and word duration for all the vowels between normal hearing group and hearing aid group, normal hearing group and cochlear implant group and hearing aid group and cochlear implant group. These findings would help in understanding the normal and deviant acoustic...