Acoustic Variability of the Adult Voice Over Time Voice quality is known to fluctuate in adults over relatively short periods of time. Quantifying the degree to which the normal and pathologic voice fluctuates can be applied in various ways for clinical evaluation and treatment purposes. Quantifying true fluctuations in voice quality depends on the reliability of the specific ... Article
Article  |   December 01, 2017
Acoustic Variability of the Adult Voice Over Time
Author Affiliations & Notes
  • Jenny L. Pierce
    Department of Communication Sciences and Disorders, University of Utah, Salt Lake City, UT
  • Disclosures
    Disclosures ×
  • Financial: Jenny L. Pierce has no relevant financial interests to disclose.
    Financial: Jenny L. Pierce has no relevant financial interests to disclose.×
  • Nonfinancial: Jenny L. Pierce has no relevant nonfinancial interests to disclose.
    Nonfinancial: Jenny L. Pierce has no relevant nonfinancial interests to disclose.×
Article Information
Speech, Voice & Prosodic Disorders / Voice Disorders / Hearing & Speech Perception / Acoustics / Speech, Voice & Prosody / Part 3
Article   |   December 01, 2017
Acoustic Variability of the Adult Voice Over Time
Perspectives of the ASHA Special Interest Groups, December 2017, Vol. 2, 104-112. doi:10.1044/persp2.SIG3.104
History: Received May 31, 2017 , Revised August 12, 2017 , Accepted September 8, 2017
Perspectives of the ASHA Special Interest Groups, December 2017, Vol. 2, 104-112. doi:10.1044/persp2.SIG3.104
History: Received May 31, 2017; Revised August 12, 2017; Accepted September 8, 2017

Voice quality is known to fluctuate in adults over relatively short periods of time. Quantifying the degree to which the normal and pathologic voice fluctuates can be applied in various ways for clinical evaluation and treatment purposes. Quantifying true fluctuations in voice quality depends on the reliability of the specific acoustic measure being used. Some acoustic measures may be more reliable than others in tracking these fluctuations. This article reviews the literature to date regarding voice quality fluctuations in adults over short periods of time (i.e., days and weeks). Recommendations for future research directions are also given.

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