Perceptual assessment of fricative-stop coarticulation.
| Number | 336 |
|---|---|
| Year | 1981 |
| Drawer | 6 |
| Entry Date | 06/15/1999 |
| Authors | Repp, B. H., & Mann, V. A. |
| Contact | |
| Publication | Journal of the Acoustical Society of America, 69, 1154-1163. |
| url | http://www.haskins.yale.edu/Reprints/HL0336.pdf |
| Abstract | The percept dependence of stop consonants on preceding fricatives [Mann and Repp, J. Ascoust. Soc. Am. 69, 548-558 (1981)] was further investigated in two experiments employing both natural and synthetic speech. These experiments consistently replicated our original finding that listeners, report velar stops following [s]. In addition, our data confirmed earlier reports that natural fricative noises (excerpted from utterances of [sta], [ska], [shta], and [shka) contain cues to the following stop consonants; this was revealed in subjects’ identifications of stops from isolated fricative noises and from stimuli consisting of these noises followed by synthetic CV portions drawn from a [ta]-[a] continuum. However, these cues in the noise portion could not account for the contextual effect of fricative identify ([sh] versus [s]) on stop perception (more “k” responses following [s]). rather, this effect seems to be related to a coarticulatory influence of a preceding fricative on stop production: Subjects’ responses to excised natural CV portions (with bursts and aspiration removed) were biased towards a relatively more forward place of stop articulation when the CVs had originally been preceded by [s]; and the identification of a preceding ambiguous fricative was biased in the direction of the original fricative context in which a give CV portion had been produced. These findings support an articulatory explanation for the effect of preceding fricatives on stop consonant perception. |
| Notes |
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