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Intensity Perception. III. Resolution in Small‐Range Identification

 

作者: C. T. Pynn,   L. D. Braida,   N. I. Durlach,  

 

期刊: The Journal of the Acoustical Society of America  (AIP Available online 1972)
卷期: Volume 51, issue 2B  

页码: 559-566

 

ISSN:0001-4966

 

年代: 1972

 

DOI:10.1121/1.1912878

 

出版商: Acoustical Society of America

 

数据来源: AIP

 

摘要:

In most previous experiments on the ability to identify sound intensity, the stimulus set has been chosen such that the range of intensities is many times larger than the value of the “just‐noticeable difference” in intensity that has been derived from the results of intensity discrimination experiments. In such cases, the resolution obtained in the identification experiment is much worse than would be expected merely on the basis of the pairwise discriminability of the stimuli. In this paper, we report the results of a study designed to explore the prediction [Durlach and Braida, J. Acoust. Soc. Amer.46, 372–382 (1969)] that this discrepancy between identification and discrimination does not occur if the range of intensities employed in the identification experiment is sufficiently small. Generally speaking, the results of this study support the prediction.

 

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