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VOLUME 4 , ISSUE 2 ( July-December, 2014 ) > List of Articles

RESEARCH ARTICLE

Cepstral Characteristics of Voice before, during and after Menopause: A Cross-sectional Study

Radish Kumar Balasubramanium, Jayashree S Bhat

Citation Information : Balasubramanium RK, Bhat JS. Cepstral Characteristics of Voice before, during and after Menopause: A Cross-sectional Study. Int J Phonosurg Laryngol 2014; 4 (2):50-54.

DOI: 10.5005/jp-journals-10023-1082

Published Online: 01-06-2011

Copyright Statement:  Copyright © 2014; The Author(s).


Abstract

Background

Previous studies on effects of menopause on voice characteristics have not compared the voice characteristics before, during and after menopause. It is also possible that these voice changes cannot be captured by traditional acoustic measures such as frequency and amplitude perturbation measures. Hence a robust acoustic tool such as cepstrum was chosen to capture these vocal changes before, during and after menopause and hence the present study was attempted.

Method

The present study followed a cross-sectional study design. The participants consisted of 25 premenopausal women, 25 perimenopausal women and 25 postmenopausal women. Sustained production of/a/ and narration was recorded using Z tool and cepstral peak prominence (CPP) and smoothened cepstral peak prominence (CPPS) was analyzed.

Results

The results of one-way ANOVA revealed that there was a significant main effect of the group at p < 0.05 for all the cepstral measures targeted in the study. Post hoc analysis indicated that there was no significant difference between pre and perimenopausal women for all the cepstral measures at p < 0.05. However, there was a significant difference between pre and postmenopausal women and peri and postmenopausal women at p < 0.05. These results suggests that postmenopausal women had overall good voice quality than pre and perimenopausal women.

Conclusion

Results indicated that post menopausal women had increased cepstral measures when compared to pre and perimenopausal women. Further, studies are required to correlate laryngeal examination and hormonal levels with that of the voice changes before, during and after menopausal women.

How to cite this article

Balasubramanium RK, Bhat JS. Cepstral Characteristics of Voice before, during and after Menopause: A Cross-sectional Study. Int J Phonosurg Laryngol 2014;4(2):50-54.


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