Abstract
According to previous theoretical work on intensity perception, two stimuli are matched in loudness if and only if their intensities divide the respective dynamic ranges of the stimuli proportionately in terms of number of JNDs [R. R. Riesz, J. Acoust. Soc. Am. 5, 211–216 (1932); J. S. Lim, W. M. Rabinowitz, L. D. Braida, and N. I. Durlach, J. Acoust. Soc. Am. 62, 1256–1267 (1977)]. This paper reports the results of new experiments designed to test this prediction using a common set of subjects and comparable experimental conditions. Intensity discrimination data and loudness‐matching data were obtained on four subjects over essentially the whole dynamic range for three types of stimuli: a 1000‐Hz tone, a 1000‐Hz tone partially masked by noise, and a flat wide‐band noise. Generally speaking, the empirical loudness matches were found to agree with the loudness matches predicted by the theory on the basis of the discrimination data. [Work supported by NIH and NSF.]
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