Open Access

Table 4

Mean duration of the HRTF selection sequence reported in each experiment. HRTF selection duration as reported in similar studies have been added for reference. Methods marked provide a full ranking of an HRTF set (e.g. trajectory method), the remainder are designed for the selection of a unique best-match HRTF (e.g. active method). Indicated durations have been divided by the number of task repetitions compared to total reported duration in each experiment (e.g. 3 in exp-zagala) for accurate comparison.

Experiment Method HRTFs Duration
Exp-Parseihian Trajectory method 7 Not reported
Exp-stitt Trajectory method 7 Not reported
Exp-zagala Trajectory method 8 9.0 min
Exp-zagala Localization method 8 8.2 min
Exp-current Active method 7 4.7 min
Andreopoulou and Katz [63] Trajectory method 24 26.0 min
Andreopoulou and Katz [17] Trajectory method 7 6.5 min
Iwaya [16] Tournament method 32 15.0 min

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