Table 1.

Amount of signal masking (difference between the masked threshold and the best threshold at the CF in the FTC) and parameters describing the correlation between the amount of masking and the spectrum level of the masker

Analysis-time window	Masker stimuli	Amount of masking (mean ± SD)	Slope of regression line	R²	p	n
100 msec	Reference	29.8 ± 15.4	1.1	0.49	<0.001	23
	U excitatory	35.5 ± 15.5	1.2	0.58	<0.001	23
	C excitatory	30.2 ± 15.9	1.0	0.37	0.002	23
	U high suppressive	33.0 ± 16.1	1.3	0.61	<0.001	16
	C high suppressive	27.9 ± 14.6	1.2	0.66	<0.001	16
	U low suppressive	30.2 ± 16.1	1.2	0.51	0.001	18
	C low suppressive	28.0 ± 15.6	1.3	0.57	<0.001	18
400 msec	Reference	23.2 ± 15.7	0.7	0.20	0.062	20
	U excitatory	36.2 ± 15.8	0.8	0.31	0.011	20
	C excitatory	29.0 ± 17.7	0.8	0.21	0.043	20
	U high suppressive	32.5 ± 16.3	0.9	0.25	0.047	16
	C high suppressive	27.7 ± 16.5	1.2	0.47	0.003	16
	U low suppressive	31.8 ± 15.7	0.9	0.42	0.003	19
	C low suppressive	28.4 ± 14.2	0.7	0.31	0.014	19
800 msec	Reference	20.3 ± 13.6	0.9	0.37	0.003	24
	U excitatory	29.7 ± 15.4	1.0	0.48	<0.001	24
	C excitatory	25.8 ± 15.2	0.7	0.22	0.021	24
	U high suppressive	24.7 ± 13.7	0.8	0.34	0.014	17
	C high suppressive	21.4 ± 15.7	1.2	0.58	<0.001	17
	U low suppressive	27.7 ± 18.1	1.2	0.45	0.001	21
	C low suppressive	27.2 ± 17.1	1.0	0.38	0.003	21

U, uncorrelated noise bands; C, correlated noise bands