Title page for ETD etd-11112010-150548

Type of Document Master's Thesis
Author Sajan, Richie
Author's Email Address rsajan1@lsu.edu, richie.sajan@gmail.com
URN etd-11112010-150548
Title A Portable Phonatory Feedback Device for Patients with Speech Disorders
Degree Master of Science in Mechanical Engineering (M.S.M.E.)
Department Mechanical Engineering
Advisory Committee
Advisor Name Title
de Queiroz, Marcio Committee Chair
Kunduk, Melda Committee Member
Wang, Wanjun Committee Member
  • voice volume monitor
  • vocal abuse
  • hypophonia
  • dysarthria
  • Parkinson's disease
  • feedback
  • phonatory
  • portable
  • vocal intensity
Date of Defense 2010-11-05
Availability unrestricted
Vocal intensity-related speech disorders such as dysarthria and vocal nodules can limit quality of life and reduce the patientís ability to interact with family, socialize, or pursue employment. Behavioral speech therapies exist to address these issues but have limited effectiveness because they are expensive and clinic-based. The ability to monitor vocal intensity outside of the clinical setting will greatly aid in the treatment of these speech disorders, enabling patients to make quicker progress by reinforcing techniques learned in the clinic. The Voice Volume Monitor (VVM) is a portable and cost-effective therapeutic aid designed for this purpose, providing real-time feedback regarding speech volume to the user. Initial testing of a prototype with patients at the Our Lady of the Lake Voice Center has shown positive results.
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