Table 5.

Norms for the AB BTE HRTF.

AB BTE		Percentile
	Condition	5	10	20	25	30	40	50	60	70	75	80	90	95	S.D.
Binaural	Noise Front	−4.1	−4.4	−4.6	−4.7	−4.8	−5.0	−5.1	−5.3	−5.4	−5.5	−5.6	−5.9	−6.1	0.6
	Noise Side	−9.3	−9.8	−10.5	−10.8	−11.0	−11.4	−11.8	−12.2	−12.6	−12.9	−13.1	−13.8	−14.4	1.6
Monaural	Noise Front	−1.3	−1.8	−2.5	−2.8	−3.0	−3.4	−3.8	−4.2	−4.6	−4.9	−5.1	−5.8	−6.4	1.6
	Noise Sideipsilateral	2.1	1.7	1.2	1.1	0.9	0.6	0.3	0.1	−0.2	−0.4	−0.6	−1.0	−1.4	1.1
	Noise Sidecontralateral	−7.1	−7.5	−7.8	−8.0	−8.1	−8.3	−8.5	−8.7	−9.0	−9.1	−9.2	−9.6	−9.9	0.8
	Noise Sidecontralateral- Noise Front	−2.8	−3.3	−3.9	−4.2	−4.4	−4.8	−5.1	−5.5	−5.9	−6.1	−6.3	−7.0	−7.5	1.4
	Head shadow	−7.5	−7.9	−8.3	−8.5	−8.6	−8.9	−9.1	−9.3	−9.6	−9.7	−9.9	−10.3	−10.7	1.0
Binaural Benefit	Spatial Release from Masking	−4.1	−4.7	−5.3	−5.5	−5.7	−6.1	−6.5	−6.9	−7.3	−7.5	−7.7	−8.3	−8.9	1.4
	ITD Spatial Release from Masking	−1.5	−2.1	−2.8	−3.1	−3.4	−3.8	−4.2	−4.7	−5.1	−5.4	−5.6	−6.4	−7.0	1.7
	ILD Spatial Release from Masking	−2.0	−2.3	−2.7	−2.8	−2.9	−3.2	−3.4	−3.6	−3.8	−4.0	−4.1	−4.5	−4.8	0.8
	Summation	0.9	0.4	−0.3	−0.5	−0.7	−1.1	−1.5	−1.8	−2.2	−2.4	−2.7	−3.3	−3.8	1.4
	Squelch	−0.1	−0.7	−1.5	−1.8	−2.1	−2.6	−3.0	−3.5	−4.0	−4.2	−4.5	−5.3	−6.0	1.8
	ITD Squelch	1.8	1.2	0.5	0.2	−0.0	−0.5	−0.9	−1.3	−1.8	−2.0	−2.3	−3.1	−3.7	1.7
	ILD Squelch	2.6	2.1	1.4	1.1	0.9	0.5	0.1	−0.3	−0.7	−1.0	−1.2	−1.9	−2.5	1.6

All values are in dB.