Do Geminated Consonants in English Really Undergo Degemination?
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Abstract
The general assumption of two identical consonants in a sequence is that the preceding consonant tends not to surface in normal speech. Accordingly, in the area of English teaching, ESL learners are directed to pronounce the geminated consonants as a singleton. We challenge this previous claim about partial deletion of the geminated consonants in English, namely degemination, with phonetic evidence. First, we investigate the phonetic implementation of geminated consonants in English by means of acoustic data produced by native speakers of English. Acoustic data shows that the length of geminated consonants [bb, dd, pp, tt, mm, nn, ss, ] is as long as the combined length of single consonants in onset and coda positions, indicating the degemination process does not occur in the gemianted consonants. It contradicts the previous claims. Second, we examine prosodic effects on geminated consonants. Not only are segments influenced by neighboring segments, but the phonetic realization can also vary depending on their prosodic positions in which they appear. The result shows that the length of geminates at the phrase boundary is longer than at the word boundary, suggesting that geminates in higher prosodic levels are produced with greater articulatory magnitude.
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