Abstract
In a previous investigation, Whitehead et al. [J. Acoust. Soc. Am. Suppl. 1 64, S51 (1978)] speculated that significantly reduced air‐flow rates for intervocalic fricatives produced by some hearing‐impaired speakers may have been the result of air wastage on the initial vowel. In the present investigation, the volumes of air expended during production of the initial vowel in VCV syllables by ten normally hearing females, ten moderately to severely hearing‐impaired females with intelligible speech and ten profoundly hearing‐impaired females with semi‐intelligible speech were calculated and compared with the average volume velocities for the intervocalic fricatives. The results indicated that the semi‐intelligible hearing‐impaired speakers produced the initial vowels with significantly greater air volumes than the other two groups of speakers. Further, for the semi‐intelligible speakers, significant negative correlations indicated the existence of a relationship between the volume of air expended on the initial vowel and the average volume velocity for the intervocalic fricative. Such a relationship did not appear to exist for the other groups of speakers. [Work supported by U. S. Department of Education.]
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