Perception of Auditory Feedback Delay: Subjective Estimate of Delay Magnitude Twenty female subjects were required to select, by the method of fractionation, the delay interval judged by them to be one-half the duration of the standard delay interval with which it was paired. The signals judged were the delay intervals between the subjects' own production of the syllable /da/ and ... Research Article
Research Article  |   December 01, 1968
Perception of Auditory Feedback Delay: Subjective Estimate of Delay Magnitude
 
Author Affiliations & Notes
  • John H. Saxman
    University of Wisconsin, Madison, Wisconsin
  • Theodore D. Hanley
    University of California, Santa Barbara, California
Article Information
Research Articles
Research Article   |   December 01, 1968
Perception of Auditory Feedback Delay: Subjective Estimate of Delay Magnitude
Journal of Speech, Language, and Hearing Research, December 1968, Vol. 11, 861-868. doi:10.1044/jshr.1104.861
History: Received March 8, 1968
 
Journal of Speech, Language, and Hearing Research, December 1968, Vol. 11, 861-868. doi:10.1044/jshr.1104.861
History: Received March 8, 1968

Twenty female subjects were required to select, by the method of fractionation, the delay interval judged by them to be one-half the duration of the standard delay interval with which it was paired. The signals judged were the delay intervals between the subjects' own production of the syllable /da/ and its return via delayed auditory feedback. Ten ascending and ten descending one-half judgments were obtained for each subject at each of tie standard delay intervals of 100, 200, 400, and 800 msec. The curves for the ascending, descending, and combined ascending-descending judgments, when plotted against delay intervals in physical time, were all nearly linear with a slight positively accelerated slope. A tentative scale of subjective delay time is described and its implications for evaluating the speech response to DAF as a function of time are noted.

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