Abstract
The construction and calibration of a device for the angular localization of white noise is described. The apparatus has been used to measure directional hearing abilities in the horizontal plane in 30 normally-hearing subjects using white noise. A standard graph of the results of the tests has been prepared, showing the limits within which 95 per cent of the localizations were made. This diagram will serve as a basis for comparison when examining the angular localization of noise in patients with hearing loss.

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