Acoustic articulatory evidence for quantal vowel categories: The feature [low]
Journal of The Acoustical Society of America(2007)
摘要
The goal of this study is to determine whether acoustic coupling between the first subglottal resonance F1sub (about 600 Hz) and the F1 frequency for vowels creates a region near 600 Hz in which the F1 prominence shows an irregularity. Such a finding would provide evidence for a defining quantal articulatory‐acoustic relation for the distinctive feature [low]. The time course of F1 in relation to F1sub was examined for certain diphthongs and several monophthongs produced by a number of speakers of English using Chi’s data [X. Chi and M. Sonderegger, J. Acoust. Soc. Am. 115, 2540–2550 (2004)]. For the diphthongs, a discontinuity in F1 or a dip in amplitude of the F1 prominence was observed as it passed through F1sub, while for the monophthongs, F1 was usually above F1sub for [+low] vowels and below F1sub for [‐low] vowels. A preliminary further study of data from the literature on F1 for vowels from various languages showed that the boundary between F1 values of [+low] vowels and those of [‐low] vowels agrees with the average value of F1sub obtained from the laboratory study with English. [Supported by NIH Grant No. DC00075.]
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