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A bird recording was compared against an airplane take-off sample at various azimuth and elevation angles in this study. A total of 33 source positions were tested, ranging from 0° to 180° azimuth and -30° to 90° elevation angles with 30° intervals. The results showed that both perceived azimuth and elevation are significantly affected by the source frequency content. Furthermore, a significant azimuth shift towards the lateral plane was observed on the off-center axis. This effect was stronger for the elevated positions on the rear hemisphere. Additionally, the pitch-height effect was present and was most dominant on the median plane and frontal hemisphere. Last, confusion errors were present for both stimuli; however, they were significant only on the median plane.
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 Scott Dorsey |
Comment posted March 29, 2019 @ 15:51:21 UTC
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To what extent could this be the result of standing waves in the room vs. an actual psychoacoustic phenomenon? Can they even be separated, since the brain uses cues from the room acoustics? Would this effect be as pronounced in an anechoic chamber? (Respond to this comment)
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