Real-time estimation of aerodynamic features for ambulatory voice biofeedback | Zendy

Andrés F. Llico | Zendy; Matías Zañartu | Zendy; Agustín González | Zendy; George R. Wodicka | Zendy; Daryush D. Mehta | Zendy; Jarrad H. Van Stan | Zendy; Robert E. Hillman | Zendy

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Real-time estimation of aerodynamic features for ambulatory voice biofeedback

Author(s) -

Andrés F. Llico,

Matías Zañartu,

Agustín González,

George R. Wodicka,

Daryush D. Mehta,

Jarrad H. Van Stan,

Robert E. Hillman

Publication year - 2015

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.4922364

Subject(s) - biofeedback , accelerometer , computer science , ambulatory , aerodynamics , acceleration , sound pressure , acoustics , audiology , physical medicine and rehabilitation , medicine , engineering , telecommunications , physics , classical mechanics , aerospace engineering , operating system

The development of ambulatory voice monitoring devices has the potential to improve the diagnosis and treatment of voice disorders. In this proof-of-concept study, real-time biofeedback is incorporated into a smartphone-based platform that records and processes neck surface acceleration. The focus is on utilizing aerodynamic measures of vocal function as a basis for biofeedback. This is done using regressed Z-scores to compare recorded values to normative estimates based on sound pressure level and fundamental frequency. Initial results from the analysis of different voice qualities suggest that accelerometer-based estimates of aerodynamic parameters can be used for real-time ambulatory biofeedback.

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