The test was administered to 10 volunteers. Eight subjects were male;
two were female; each individual took the test twice. A pair of AKG
K240 headphones was used. Each individual was given two
guides that showed various angles. One was
positioned on the desk in front of the subject and served as an aid
for judging azimuth, and the other was positioned at ear level and
served as an aid for judging elevation. Throughout the test a single
burst of white noise was used as the
sound source. It was modified using either the
hrtf implementation or the
spherical implementation as discussed
previously. The test was self administrating; the test components
and their descriptions can be found below:
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