Table 4.

Norms for the AH HRTF.

AH		Percentile
	Condition	5	10	20	25	30	40	50	60	70	75	80	90	95	S.D.
Binaural	Noise Front	−3.1	−3.5	−3.8	−4.0	−4.1	−4.3	−4.5	−4.7	−5.0	−5.1	−5.2	−5.6	−5.9	0.8
	Noise Side	−9.9	−10.3	−10.8	−11.0	−11.1	−11.4	−11.7	−12.0	−12.3	−12.4	−12.6	−13.1	−13.5	1.1
Monaural	Noise Front	−2.6	−2.9	−3.3	−3.4	−3.6	−3.8	−4.0	−4.2	−4.5	−4.6	−4.7	−5.1	−5.4	0.8
	Noise Sideipsilateral	−0.9	−1.3	−1.8	−2.0	−2.1	−2.4	−2.7	−2.9	−3.2	−3.4	−3.6	−4.1	−4.4	1.1
	Noise Sidecontralateral	−7.1	−7.5	−8.0	−8.2	−8.3	−8.6	−8.9	−9.2	−9.5	−9.6	−9.8	−10.3	−10.7	1.1
	Noise Sidecontralateral−Noise Front	−2.9	−3.3	−3.9	−4.1	−4.2	−4.6	−4.9	−5.2	−5.5	−5.7	−5.9	−6.4	−6.8	1.2
	Head shadow	−4.0	−4.5	−5.1	−5.3	−5.5	−5.8	−6.2	−6.5	−6.9	−7.1	−7.3	−7.9	−8.3	1.3
Binaural Benefit	Spatial Release from Masking	−5.2	−5.6	−6.0	−6.2	−6.4	−6.7	−6.9	−7.2	−7.5	−7.7	−7.8	−8.3	−8.7	1.1
	ITD Spatial Release from Masking	−2.2	−2.5	−2.9	−3.0	−3.1	−3.4	−3.6	−3.8	−4.0	−4.1	−4.3	−4.6	−4.9	0.8
	ILD Spatial Release from Masking	−2.3	−2.8	−3.4	−3.7	−3.9	−4.3	−4.6	−5.0	−5.4	−5.6	−5.8	−6.5	−7.0	1.4
	Summation	1.3	0.8	0.3	0.0	−0.2	−0.5	−0.8	−1.2	−1.5	−1.7	−2.0	−2.5	−3.0	1.3
	Squelch	−0.9	−1.4	−1.9	−2.1	−2.3	−2.6	−2.9	−3.2	−3.5	−3.7	−3.9	−4.4	−4.8	1.2
	ITD Squelch	2.6	2.1	1.6	1.4	1.2	0.9	0.6	0.3	0.0	−0.2	−0.4	−0.9	−1.4	1.2
	ILD Squelch	0.9	0.6	0.2	0.0	−0.1	−0.4	−0.6	−0.9	−1.1	−1.3	−1.4	−1.9	−2.2	1.0

All values are in dB.