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A Preliminary Study on the Effect of Bhramari Pranayama on Voice of Prospective Singers

  • Thirunavukkarasu Jayakumar
    Correspondence
    Address correspondence and reprint requests to T. Jayakumar, Department of Speech-Language Sciences, All India Institute of Speech and Hearing, University of Mysore, Manasagangothri, Mysuru, Karnataka, India, 570006.
    Affiliations
    Department of Speech-Language Sciences, All India Institute of Speech and Hearing, University of Mysore, Mysuru, Karnataka, India
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  • Amrutha Kalyani
    Affiliations
    Department of Swasthavritta and Yoga, Shri B M Kankanwadi Ayurveda Mahavidyalaya PG Studies and Medical Research Centre, KLE Academy of Higher Education and Research, Belagavi, Karnataka, India
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  • Ranjitha Kashyap Bannuru Nanjundaswamy
    Affiliations
    Department of Speech-Language Sciences, All India Institute of Speech and Hearing, University of Mysore, Mysuru, Karnataka, India
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  • Sanjeev S. Tonni
    Affiliations
    Department of Swasthavritta and Yoga, Shri B M Kankanwadi Ayurveda Mahavidyalaya PG Studies and Medical Research Centre, KLE Academy of Higher Education and Research, Belagavi, Karnataka, India
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      Summary

      Introduction

      Bhramari Pranayama (BP) is a yogic breathing technique that involves producing a vibrating constant pitch sound emulating the buzzing of bumblebee. Since BP deals with breathing and humming in the sustained pitch, it is hypothesized that it can have implications for improving voice quality in individuals. However, there is a dearth of research available to support this assumption. Further, there are no published reports on the effect of BP on voice quality in prospective singers group.

      Aim

      Current study was taken up to explore the effect induced by BP in the voice characteristics/quality of prospective singers.

      Method

      The participants included 30 healthy prospective singers in the age range of 18-35 years who were attending music schools within the state of Karnataka, India. BP regimen was demonstrated to all individuals. The voice recordings of the participants were obtained on day 0 and day 30 of BP practice. Acoustic analysis was performed to obtain AVQI and its constituent parameters and voice parameters from the MDVP program.

      Result

      Among the AVQI and its constituent parameters, Cepstral peak prominence-smoothed, Slope LTAS, and Tilt LTAS showed significant differences before and after BP. MDVP showed a significant difference in tremor measures before and after the practice of BP.

      Discussion

      Results of the present study indicated positive effects of BP on the voice characteristics of the prospective singers and it is reflected in objective acoustic outcome parameters of AVQI and MDVP. This supports the assumption that BP which involves yogic breathing will have beneficial effects on vocal physiology in turn leading to improved voice quality in these individuals. However, it is of future interest to validate these findings on larger samples and populations with different outcome measures. Also, future studies are warranted to verify the efficacy of BP in improving vocal quality and vocal efficiency of individuals with dysphonia.

      Key Words

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