The following publications are possibly variants of this publication:
- Vowels and tones in infant directed speech: hyperarticulation for both, but different developmental patternsNan Xu, Denis Burnham, Christine Kitamura. interspeech 2007: 1877-1880 [doi]
- Seeing lexical tone: Head and face motion in production and perception of Cantonese lexical tonesDenis Burnham, Eric Vatikiotis-Bateson, Adriano Vilela Barbosa, João Vítor Menezes, Hani C. Yehia, Rua Haszard Morris, Guillaume Vignali, Jessica Reynolds. speech, 141:40-55, 2022. [doi]
- Tone and vowel enhancement in Cantonese infant-directed speech at 3, 6, 9, and 12 months of ageNan Xu Rattanasone, Denis Burnham, Ronan G. Reilly. jphonetics, 41(5):332-343, 2013. [doi]
- The duration analysis of the checked tones in Cantonese speechXiaoying Xu, Jianhua Tao, Ling Zhang, Yingchao Lu. iscslp 2010: 440-445 [doi]