Abstract
Both auditory intensity and reverberation have previously been shown to be sufficient to produce systematically varying judgments of perceived distance when several values of the variable are presented repeatedly to the same observer. Such studies do not, however, indicate clearly whether these cues are functioning in an absolute or in a relative manner. An absolute cue to auditory distance would require that two groups presented with different values of the variable in question should report different values of perceived distance. Two experiments are reported in which intensity variation and reverberation are examined. The results showed that auditory intensity differences over a range of 20 dB did not serve as an absolute cue to auditory distance, but could serve as a strong cue to changes in such distance. A comparison of data obtained in a normally reverberatory setting (Experiment 1) and an anechoic chamber (Experiment 2) indicated that the state of reverberation could serve as an absolute cue, with greater reverberation being associated with greater perceived distances. Some of the results were discussed in terms of the possibility that the specific distance tendency (a concept developed to handle some phenomena in visual space perception) might have applicability to the study of auditory perceived distance as well.
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The cooperation of the Department of Mechanical and Aerospace Engineering of North Carolina State University in lending the use of their anechoic chamber is gratefully acknowledged.
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Mershon, D.H., King, L.E. Intensity and reverberation as factors in the auditory perception of egocentric distance. Perception & Psychophysics 18, 409–415 (1975). https://doi.org/10.3758/BF03204113
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DOI: https://doi.org/10.3758/BF03204113