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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