Abstract
In the compensatory form of loudness tracking, S keeps a loudness level constant in the face of programmed changes; in the pursuit form, he duplicates the loudness changes by manipulating an external source. Five subjects were required to track three tape-recorded programs presented in eight test conditions, including both modes (compensatory and pursuit) and three channel types of reception (monotic, diotic, dichotic). The responses were obtained by dial-writing techniques and a paper-tape voltage recorder. Analysis of variances based on 120 tracings revealed the overall superiority of the compensatory mode (averaged momentary error 2.2 db) vs the pursuit mode (3.3 db). High accuracy and consistency obtainable in auditory tracking suggest its use for the purposes of suprathreshold audiometry and for human engineering tasks in compensatory and pursuit displays.
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