Extensive measurements were performed on a dummy head to investigate how the pinnae encode directional information. Transfer functions and impulse responses were examined to identify the features that contribute to localization. The reults suggest that near-vertical spectral edges play a major role. This finding sheds a new light on the relationship between the characteristics of the external car and the results of earlier psychophysical experiments by Blauert and by Hebrank and Wright.

Author: Han, H. L.
Affiliation: Faculty of Applied Physics, Delft University of Technology,Delft, The Netherlands
JAES Volume 42 Issue 1/2 pp. 15-37; February 1994
Publication Date: February 1, 1994

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