Table 4.

ILDs (dB) Signals subjected to HRTFs, mic response, pre-emphasis, AGC with 3:1 compression ratio and 75% sensitivity, Opus filter bank, and output compression with parameter = 1000. Blank cells are for signals with RMS levels in the bottom 15 % of the electrical dynamic range.

					WIDEBAND
	ch 1	ch 2	ch 3	ch 4	ch 5	ch 6	ch 7	ch 8	ch 9	ch 10	ch 11	ch 12
	120 Hz	225 Hz	384 Hz	579 Hz	836 Hz	1175 Hz	1624 Hz	2222 Hz	3019 Hz	4084 Hz	5507 Hz	7410 Hz
0°	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
15°	−0.3	−0.2	0.0	0.4	0.7	0.5	0.1	0.4	0.4	0.3	0.1	0.0
30°	−0.6	−0.4	0.0	0.7	1.3	1.3	0.3	0.9	0.7	0.5	0.1	−0.3
45°	−1.0	−0.7	−0.2	0.6	1.4	2.4	1.3	0.9	1.6	0.4	0.2	0.4
60°	−1.2	−1.0	−0.5	0.2	0.7	1.8	3.2	2.5	1.1	0.8	1.7	3.0
75°	−1.3	−1.1	−0.6	−0.1	0.1	0.6	0.6	1.9	2.7	0.9	1.4	3.4
				HIGH-PASS
0°						0.0	0.0	0.0	0.0	0.0	0.0	0.0
15°						0.1	0.1	0.4	0.4	0.3	0.1	0.0
30°						0.8	0.2	0.9	0.7	0.5	0.1	−0.1
45°						2.9	1.1	0.8	1.5	0.4	0.2	0.1
60°							4.1	2.4	1.0	0.7	1.6	2.2
75°						0.9	0.6	1.8	2.4	0.7	1.2	2.7
				LOW-PASS
0°	0.0	0.0	0.0	0.0	0.0
15°	0.0	0.1	0.3	0.5	1.1
30°	0.1	0.2	0.5	0.8	1.9
45°	0.1	0.3	0.6	0.9	2.1
60°	0.2	0.3	0.6	0.9	2.1
75°	0.2	0.4	0.6	0.9	1.9