Differential Sensitivity to Auditory Feedback Delay Intervals: A Preliminary Study Differential sensitivity to delay interval change (jnd) was assessed for six subjects at 12 standard delay times ranging from 30 msec to 360 msec. The speaker’s self-generated speech signal (/da/) and its return via delayed auditory feedback constituted the interval boundaries. Mean absolute jnd’s varied in magnitude from 15.45 msec ... Research Article
Research Article  |   September 01, 1968
Differential Sensitivity to Auditory Feedback Delay Intervals: A Preliminary Study
 
Author Affiliations & Notes
  • John H. Saxman
    University of Wisconsin, Madison, Wisconsin
Article Information
Research Articles
Research Article   |   September 01, 1968
Differential Sensitivity to Auditory Feedback Delay Intervals: A Preliminary Study
Journal of Speech, Language, and Hearing Research, September 1968, Vol. 11, 595-599. doi:10.1044/jshr.1103.595
History: Received November 27, 1967
 
Journal of Speech, Language, and Hearing Research, September 1968, Vol. 11, 595-599. doi:10.1044/jshr.1103.595
History: Received November 27, 1967

Differential sensitivity to delay interval change (jnd) was assessed for six subjects at 12 standard delay times ranging from 30 msec to 360 msec. The speaker’s self-generated speech signal (/da/) and its return via delayed auditory feedback constituted the interval boundaries. Mean absolute jnd’s varied in magnitude from 15.45 msec to 19.66 msec and were found to be independent of the standard delay times. The relative sensitivity (ΔD/D) to delay change decreased rapidly at the shorter delay times, then leveled off to a fairly gradual slope beginning at approximately 150 msec.

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