Acoustic Analysis of Voice: A Tutorial This tutorial reviews acoustic methods that have been used to characterize vocal function. The most persuasive argument for the use of acoustic measures is that all of the information used by listeners to make judgments about speech is to be found in the acoustic signal. Acoustic methods have been used ... Article
Article  |   October 2011
Acoustic Analysis of Voice: A Tutorial
Author Affiliations & Notes
  • James M. Hillenbrand
    Department of Speech Pathology and Audiology, Western Michigan University Kalamazoo, MI
  • © 2011 American Speech-Language-Hearing Association
Article Information
Speech, Voice & Prosodic Disorders / Voice Disorders / Speech, Voice & Prosody
Article   |   October 2011
Acoustic Analysis of Voice: A Tutorial
SIG 5 Perspectives on Speech Science and Orofacial Disorders, October 2011, Vol. 21, 31-43. doi:10.1044/ssod21.2.31
SIG 5 Perspectives on Speech Science and Orofacial Disorders, October 2011, Vol. 21, 31-43. doi:10.1044/ssod21.2.31

This tutorial reviews acoustic methods that have been used to characterize vocal function. The most persuasive argument for the use of acoustic measures is that all of the information used by listeners to make judgments about speech is to be found in the acoustic signal. Acoustic methods have been used clinically to differentiate normal from abnormal voices, to aid in differential diagnosis, to evaluate the relative effectiveness of different treatment approaches, and to track progress in voice therapy. The measures discussed here focus on quantifying the degree of periodicity, the shape of the spectrum, and the range of vocal intensity.

I am grateful to Michael Clark and Robert Erickson for comments on a previous draft. Preparation of this chapter was supported by NIH grant R01-DC01661.
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