Comments on “Perception of the Range of a Sound Source of Unknown Strength” [H. R. Hirsch, J. Acoust. Soc. Am. 43, 373–374 (1968)]

The relative error to be expected in human range perception is quite large, even under good conditions, and should be considered in designing the experiment suggested by Hirsch in his Letter to the Editor entitled “Perception of the Range of a Sound Source of Unknown Strength” [J. Acoust. Soc. Am. 43 373–384 (1968)]