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Müller, Daniela; Martín Mota, Sidney (September 2009): Acoustic cues of palatalisation in plosive + lateral onset clusters. Interspeech, 6.-10. September 2009, Brighton, UK.
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Palatalisation of /l/ in obstruent + lateral onset clusters in the absence of a following palatal sound has received a considerable amount of attention from historical linguistics. The phonetics of its development, however, remains less wellinvestigated. This paper aims at studying the acoustic cues that could have led plosive + lateral onset clusters to develop palatalisation. It is found that onset clusters with velar plosives favour palatalisation more than labial + lateral clusters, and that a high degree of darkness diminishes the likelihood of palatalisation to take place.