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Table 3 Results for proposed 3D sound source localization method (Section 7) using noise reduction procedure

From: N-dimensional N-microphone sound source localization

Real location ( m) Proposed method results ( m) Absolute error ( m)
x y z x y z x y z
1 10 5 1.9 9.2 4.1 0.9 0.8 0.9
2 10 5 2.9 9.2 4.3 0.9 0.8 0.7
3 10 5 2.2 10.7 5.6 0.8 0.7 0.6
4 10 5 3.2 10.7 5.8 0.8 0.7 0.8
5 10 5 5.5 9.5 5.8 0.5 0.5 0.8
6 10 5 6.5 10.5 4.5 0.5 0.5 0.5
7 10 5 7.7 10.8 4.4 0.7 0.8 0.6
8 10 5 8.6 10.8 4.4 0.6 0.8 0.6
9 10 5 9.8 9.1 4.2 0.8 0.9 0.8
10 10 5 9.5 9.4 5.9 0.5 0.6 0.9
10 15 5 10.6 15.7 5.5 0.6 0.7 0.5
10 20 5 10.7 19.2 5.6 0.7 0.8 0.6
10 25 5 9.2 23.9 5.7 0.8 1.1 0.7
10 30 5 10.5 31.7 4.3 0.5 1.7 0.7
10 9 5 10.8 9.7 5.8 0.8 0.7 0.8
10 8 5 9.3 8.7 5.8 0.7 0.7 0.8
10 1 5 10.6 6.5 5.9 0.6 0.5 0.9
10 6 5 9.5 6.6 4.1 0.5 0.6 0.9
10 5 5 10.5 4.5 4.2 0.5 0.5 0.8
10 4 5 10.6 3.4 5.7 0.6 0.6 0.7
10 3 5 9.3 3.6 5.5 0.7 0.6 0.5
10 2 5 10.8 ±2.8 5.8 0.8 0.8 0.8
10 1 5 10.1 ±0.2 4.3 0.1 0.8 0.7
10 −1 5 10.6 ±0.4 4.1 0.6 0.6 0.9
10 −2 5 10.5 ±2.7 5.6 0.5 0.7 0.6
10 −3 5 10.4 −2.8 5.5 0.4 0.2 0.5
10 −4 5 9.7 −3.7 5.5 0.3 0.3 0.5
10 −5 5 9.4 −5.2 5.9 0.6 0.2 0.9