Add to ORKGThis presentation will focus on a study of inter-generational vowel differences among speakers of Toronto Cantonese. The data comes from hour-long sociolinguistic interviews from the Heritage Language Variation and Change in Toronto Project. Results show inter-generational maintenance of phonological contrasts across eight contrastive monophthongs and are consistent with previous research showing that heritage speakers are better able to produce all of the phonological distinctions in their two languages than are adult L2 speakers. What may contribute to perceptions of a heritage speaker “accent” are low-level phonetic differences that may be influenced by early acquisition of two languages