TABLE IV.

Effects of Vowel Level on Q Values for Second Formant Changes in Quiet.

Vowel Level	2nd Formant	High SR	Medium SR	Low SR	Total
43 dB SPL	2000	137.8	104.7	No resp.	171.9
	1900	106.2	80.7		132.6
	1800	62.1	47.0		77.5
	1750	35.0	26.8		43.8
	1725	26.8	21.1		33.8
	1710	16.5	13.1		20.8
63 dB SPL	2000	66.9	62.3	67.8	109.2
	1900	51.6	48.0	52.2	84.2
	1800	30.3	28.2	30.5	49.4
	1750	16.8	15.7	17.3	27.5
	1725	12.5	11.9	13.5	20.6
	1710	7.7	7.3	8.3	12.7
83 dB SPL	2000	36.1	36.6	54.7	72.2
	1900	27.8	28.2	42.2	55.7
	1800	16.4	16.6	24.7	32.7
	1750	9.0	9.2	13.9	18.1
	1725	6.7	6.8	10.6	13.6
	1710	4.1	4.2	6.5	8.3