Directivity of human talkers

A.C.C. Warnock, W.T. Chu, J.-C. Guy


The directivity of human talkers radiating more energy forward than to the side or the rear was investigated. The directivity was important to increase speech privacy when planning open office layouts. The sound fields around 20 male and 20 female talkers were completely examined in the analysis. Results of the analysis showed no significant differences in directivity between male and female talkers despite a difference in average spectra.


Acoustic field measurement; Acoustic fields; Microphones; Speech; Human talkers

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