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Table 2 Results of the elevation angle of arrival based on hardware implementation

From: N-dimensional N-microphone sound source localization

θ Real angle (degrees) θ Proposed method results for angle of arrival (degrees) Absolute value of error (degrees)
−10 −10.18 0.18
−5 −5.16 0.16
0 0.05 0.05
15 14.15 0.15
30 29.91 0.09
45 45.19 0.19
60 60.13 0.13
75 75.11 0.11
90 89.82 0.18