Table 1.

Means and standard deviations (in parentheses) of spectral peak and duration distributions for stimulus categories A and B in the nondegraded and degraded conditions (psychophysical and physical units).

Stimulus category	Nondegraded		Degraded
	A	B	A	B
Spectral peak (ERB)	20.00 (0.31)	17.00 (0.31)	16.80 (0.31)	15.50 (0.31)
Spectral peak (Hz)	1739 (8)	1196 (8)	1166 (8)	984 (8)
Duration (DUR)	47.70 (1.31)	52.53 (1.31)	47.70 (1.31)	52.53 (1.31)
Duration (ms)	118 (1.14)	191 (1.14)	118 (1.14)	191 (1.14)