TABLE 5. FORMANT RELATIVE AMPLITUDES in decibels re F₁ of /O/

Vowel	F	RP	Gen.Am.	RP: F1-F2
/i/	1	-1	-4	31
	2	-33	-24
	3	-37	-28
/I/	1	+5	-3	24
	2	-19	-23
	3	-26	-27
/E/	1	-2	-2	14
	2	-16	-17
	3	-24	-24
/æ/	1	-6	-1	5
	2	-11	-12
	3	-24	-22
/A/	1	-4	-1	6
	2	-10	-5
	3	-35	-28
/Q/	1	0		6
	2	-6
	3	-35
/O/	1	0	0	10
	2	-10	-7
	3	-42	-34
/U/	1	+4	-1	14
	2	-10	-12
	3	-36	-34
/u/	1	+2	-3	24
	2	-22	-19
	3	-41	-43
/V/	1	-2	-1	9
	2	-7	-10
	3	-30	-27
/3/	1	-2	-5	17
	2	-15	-15
	3	-31	-20

Gen.Am. data from Peterson and Barney [37] includes men, women, and children,
while RP data is based on men speakers only.