Abstract
Initial curve fitting efforts having yielded similar results, data from four studies [E. Jerger, J. Acoust. Soc. Am. 29, 357–363 (1957); T. Palva and J. Karja, J. Acoust. Soc. Am. 45, 1018–1021 (1969); E. M. Weiler, M. Loeb, and E. A. Alluisi, J. Acoust. Soc. Am. 51, 638–643 (1972); and E. M. Weiler and J. D. Hood, Audiology 16, 499–506 (1977)] were combined to encompass intensities from 20 to 80 dB SL at 1 kHz. All studies used the classic method of simultaneous dichotic loudness balances (SDLB} as described by Hood [Acta. Oto‐Laryngol. Suppl. 92 (1950)] and Small [Modern Developments in Audiology, edited by J. Jerger (Academic, New York, 1963)]. A regression line was fit to the log values of stimulus intensity and log adaptation (dB). Converting to the form of Steven's power law, the resulting constant K by this approach was 0.9449 and the exponent of intensity N was 0.73953. For loudness magnitudes, N has often been reported as about 0.60.
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