Correlation analysis of the physiological factors controlling fundamental voice frequency

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Abstract
A technique was developed to obtain a quantitative measure of correlation between electromyographic (EMG) activity of various laryngeal muscles, subglottal air pressure and the fundamental frequency of vibration of the vocal folds (FO). Data were collected and analyzed on 1 subject, a native speaker of American English. An analysis of this type provided a useful measure of correlation between the physiological and acoustical events in speech and yielded detailed insights into the organization and nature of the speech production process. A model was suggested of FO control involving laryngeal state functions that seemed to agree with present knowledge of laryngeal control and experimental evidence.

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