The authors formulated a technical prediction model of auditory source width (ASW). By the model, ASW for any stimulus can be estimated by summing up 1/3 octave band ASW. It is necessary, however, to multiply weighting factor W by each 1/3 octave band ASW before summation. In this paper, the psychological experiment was performed to examine the validity of the model under the very fundamental condition that the number of adjacent 1/3 octave bands was two and each band had equal sound pressure levels. The results of the quantitative judgments of ASW confirmed the validity of the model and showed that the weighting factor depended on the frequency band and the subject. Roughly speaking, the weighting factor for 500 Hz band was larger than those for the other frequency bands under the given condition. © 1995, Acoustical Society of Japan. All rights reserved.
CITATION STYLE
Ueda, K., & Morimoto, M. (1995). Estimation of auditory source width(ASW): I. ASW for two adjacent 1/3 octave band noises with equal band level. Journal of the Acoustical Society of Japan (E) (English Translation of Nippon Onkyo Gakkaishi), 16(2), 77–83. https://doi.org/10.1250/ast.16.77
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