Table 3.

First formant frequencies (F1) and bandwidths (B1) from phonations of Exercise 1 of our study and from three other studies (PB: Peterson and Barney, 1952; CW: Childers and Wu, 1991; FL: Fujimura and Lindqvist-Gauffin, 1971).

Vowel	Average F1 (Hz)			Average B1 (Hz)
	Measured	PB	CW	Measured	FL	CW
α—female	839	850	838	138	50	272
α—male	657	730	673	96	41	154
æ—female	840	860	842	128	50	221
æ—male	688	660	645	81	40	145
i—female	407	310	379	79	76	144
i—male	343	270	303	66	59	134
u—female	428	370	410	77	64	132
u—male	374	300	342	91	54	134