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Citation Indices from GS

AllSince 2019
Citations21071184
h-index2013
i10-index6526

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:: Volume 16, Issue 2 (5 2007) ::
aud 2007, 16(2): 46-50 Back to browse issues page
Fundamental frequency, jitter, and shimmer of adult stutters` and nonstutters` voice
Mahdi Shaker Ardakani , Zahra Soleymani * 1, Farhad Torabinejad , Seyyedeh Maryam Khoddami , Mahmoud Alipour Heydari
Abstract:   (16793 Views)

Background and Aim: Objective measurement is general and acoustic measurements in particular have become a substantial aspect of stuttering assessment during the last few decades. Measurements do not replace the perceptual judgment, but they allow a more precise diagnosis, provide more evidence for therapeutic interventions, and are useful as feedback for patients in therapy. The purpose of this investigation was to compare some adult male stutterers&apos and nonstutterers&apos acoustic features.
Materials and Methods: Adult male stutterers and nonstutterers participated this case-control  study. Their fluent reading of 20 sentences in Farsi, prolongation of  vowels /a/ and /i/, and rhythmic counting from 1 to 20 were analyed with Dr. Speech software.
Results: There were no significant differences between two groups in fundamental frequency (f0) and standard deviation of f0 in three speech samples (vowels /a/ and /i/, reading 20 sentences, and rhythmic counting from 1 to 20). No significant difference were between two groups for jitter and shimmer.
Conclusion: Non significant differences between two groups are somewhat due to investigation of this parameters in fluent speech of stutterers  and nonstutterers.

Keywords: stuttering, fundamental frequency, jitter, shimmer, voice, acoustic features
Full-Text [PDF 178 kb]   (2142 Downloads)    
Type of Study: Research |
Received: 2007/06/30 | Accepted: 2007/09/9 | Published: 2013/10/7
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 16, Issue 2 (5 2007) Back to browse issues page
شنوایی شناسی - دانشگاه علوم پزشکی تهران Bimonthly Audiology - Tehran University of Medical Sciences
Creative Commons Attribution-NonCommercial 3.0

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