THE PROFILE OF FUNDAMENTAL FREQUENCY CHANGES IN NORMAL PERSIAN-SPEAKING INDIVIDUALS 9-50 YEARS OLD

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GHORBANI ALI; SAFARIAN A.; TORABINEZHAD F.; AMIRI SHAVAKI Y.; KEYHANI MOHAMMAD REZA

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Journal: Auditory and Vestibular Research Journal Year:2010 | Volume:19 | Issue:2 (34) Page(s): 57-64

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Title

THE PROFILE OF FUNDAMENTAL FREQUENCY CHANGES IN NORMAL PERSIAN-SPEAKING INDIVIDUALS 9-50 YEARS OLD

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Keywords

PROFILE OF VOICE CHANGESQ3

FUNDAMENTAL FREQUENCYQ2

VOICEQ3

PERSIAN-SPEAKINGQ2

Abstract

Background and Aim: The VOICE of human being changes during lifetime with different patterns in males and females. In addition to assessment of changes due to aging, some studies examined the VOICE changes among various languages and ethnical groups. This study is performed to evaluate the FUNDAMENTAL FREQUENCY changes in normal 9-50 year-Old Persian (Farsi) speaking individuals. Methods: In this cross-sectional study, 320 VOICE samples in normal VOICEless environment were recorded. The mean of FUNDAMENTAL FREQUENCY of vowels and counting is measured by Dr Speech software (real analysis program). Data analysis was performed by MANOVA test and the profiles of their changes were plotted.Results: The profile of mean of FUNDAMENTAL FREQUENCY changes was different in males and females. The mean of FUNDAMENTAL FREQUENCY was equal in both genders until 13 years old and the samples of VOICE had low pitch (Mean: higher than 200 Hz). MFF after 13 years old significantly decreased in males specially in vowels (p<0.001). The changes in vowels and counting were similar. The mean of FUNDAMENTAL FREQUENCY in both genders, between 20-40 years old had relative constancy.Conclusion: The mean of FUNDAMENTAL FREQUENCY changes of vowels and counting in females and males result from diverse dimensions of larynx and other anatomical differences. Significant changes of mean of FUNDAMENTAL FREQUENCY in both genders after 13 years old result from puberty in males. The proportional consistence of mean of FUNDAMENTAL FREQUENCY between 20-40 years old is probably due to the uniformity of body in this age range.

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APA: Copy

GHORBANI, ALI, SAFARIAN, A., TORABINEZHAD, F., AMIRI SHAVAKI, Y., & KEYHANI, MOHAMMAD REZA. (2010). THE PROFILE OF FUNDAMENTAL FREQUENCY CHANGES IN NORMAL PERSIAN-SPEAKING INDIVIDUALS 9-50 YEARS OLD. AUDITORY AND VESTIBULAR RESEARCH, 19(2 (34)), 57-64. SID. https://sid.ir/paper/106225/en

Vancouver: Copy

GHORBANI ALI, SAFARIAN A., TORABINEZHAD F., AMIRI SHAVAKI Y., KEYHANI MOHAMMAD REZA. THE PROFILE OF FUNDAMENTAL FREQUENCY CHANGES IN NORMAL PERSIAN-SPEAKING INDIVIDUALS 9-50 YEARS OLD. AUDITORY AND VESTIBULAR RESEARCH[Internet]. 2010;19(2 (34)):57-64. Available from: https://sid.ir/paper/106225/en

IEEE: Copy

ALI GHORBANI, A. SAFARIAN, F. TORABINEZHAD, Y. AMIRI SHAVAKI, and MOHAMMAD REZA KEYHANI, “THE PROFILE OF FUNDAMENTAL FREQUENCY CHANGES IN NORMAL PERSIAN-SPEAKING INDIVIDUALS 9-50 YEARS OLD,” AUDITORY AND VESTIBULAR RESEARCH, vol. 19, no. 2 (34), pp. 57–64, 2010, [Online]. Available: https://sid.ir/paper/106225/en

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