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Table 1

Mean optimal and achievable channel separation with standard deviation (μ ± σ) for the evaluated subset layouts, presented in Figure 5, and the full layout. The broadband values were calculated for a frequency range of 90 Hz–20 kHz.

Layout Optimal
Achievable
Broadband
300 Hz–2 kHz
4–16 kHz
Broadband
300 Hz–2 kHz
4–16 kHz
μ ± σ (dB) μ ± σ (dB) μ ± σ (dB) μ ± σ (dB) μ ± σ (dB) μ ± σ (dB)
2-loudspeaker 40.9 ± 19.9 52.5 ± 6.4 41 ± 19.7 18.2 ± 9.8 16.8 ± 5.1 16.3 ± 10.2
4-loudspeaker 49.2 ± 15.7 57.7 ± 7.2 52.5 ± 12.4 19.8 ± 8.5 19.4 ± 4.7 19.3 ± 6.8
8-loudspeaker 57.8 ± 15.2 63 ± 7.1 62.1 ± 10.7 23.8 ± 8.4 21.2 ± 5 23 ± 6.2
16-loudspeaker 63.1 ± 13.1 64 ± 7.7 68.1 ± 6.6 26.6 ± 8.1 24.3 ± 4.6 26.4 ± 5
32-loudspeaker 70.7 ± 14.6 67.4 ± 10.6 75.2 ± 6.4 29.9 ± 9.3 27.1 ± 5.2 31.4 ± 6.6
68-loudspeaker 74.7 ± 15.5 67 ± 10 79.8 ± 6.4 32.3 ± 8.8 26.8 ± 4.8 34.1 ± 5.8

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