This study investigates the effects of lexical tone on the Voice Onset Time (VOT) of prevocalic stops in Cantonese. It builds on literature showing how various factors affect VOT without a resultant loss in phonological contrast and also ties in a body of research on tone and consonant interaction. The specific research questions addressed are (1) Does tone have an effect on VOT in Cantonese?; (2) If so, what kind of an effect does it have?; and (3) Is this effect purely an automatic articulatory consequence of F0 modulation or is this effect also mediated by lexical tone and hence a secondary cue that contributes towards maintaining phonological contrasts between different tonal categories? To address these questions, the speech of 6 native speakers (5 male and 1 female) of Hong Kong Cantonese was examined. A total of 80 tokens of words contrasting in tone and aspiration were analyzed for each speaker for a grand total of 480 tokens. Results from an ANOVA test showed that there is a statistically significant effect (p
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