Table 1.

Threshold values (relative FDL, in semitones and % frequency change, and absolute FDL) for each subject is shown at each reference frequency, along with mean and standard deviation (SD). Testing order and sensation level for each reference frequency are also shown.

Musical scale		A3	A4	A5	A6	A7	A8	A9	A10
Frequency (Hz)		220	440	880	1760	3520	7040	14080	28160
FDL (semitones)	M4Y	3.11	2.84	1.72	1.10	0.47	0.43	0.42	0.55
	M13W	2.78	2.49	2.37	1.92	0.35	0.45	0.66	1.30
	M55Y	2.63	2.05	1.26	1.01	0.42	0.42	0.66	1.44
	M59A	3.65	3.19	2.31	1.53	0.25	0.48	0.57	1.18
	mean	3.04	2.65	1.92	1.39	0.37	0.45	0.58	1.12
	SD	0.45	0.49	0.53	0.42	0.09	0.03	0.11	0.39
FDL (%)	M4Y	19.7	17.9	10.5	6.6	2.8	2.5	2.5	3.2
	M13W	17.4	15.5	14.7	11.7	2.0	2.6	3.9	7.8
	M55Y	16.4	12.6	7.6	6.0	2.4	2.5	3.9	8.7
	M59A	23.5	20.2	14.3	9.2	1.5	2.8	3.4	7.1
	mean	19.2	16.5	11.8	8.4	2.2	2.6	3.4	6.7
	SD	3.1	3.3	3.4	2.6	0.6	0.2	0.7	2.4
FDL (Hz)	M4Y	43.2	78.6	92.0	115.5	97.0	178.9	346.8	913.4
	M13W	38.3	68.1	129.3	206.4	71.9	184.7	548.4	2202.5
	M55Y	36.1	55.5	66.6	105.8	85.8	172.5	548.1	2439.1
	M59A	51.6	89.0	125.7	162.1	51.7	198.3	473.2	1987.0
	mean	42.3	72.8	103.4	147.4	76.6	183.6	479.1	1885.5
	SD	6.9	14.4	29.7	46.4	19.5	11.0	95.1	673.8
Testing order	M4Y	3	1	2	4	5	6	7	8
	M13W	4	1	2	3	6	5	7	8
	M55Y	3	2	1	7	6	4	5	8
	M59A	6	5	2	3	1	4	7	8
SL (dB)		40	40	40	40	40	40	40	50