3種介音是[u̯ i̯ ɯ̯]。[u̯ i̯]一般實現為輔音[w j]。[u̯]在前元音/i e ɛ/和央元音/ə a ɐ/前可存在。[i̯]在後元音/u o ɔ/和央元音/ə a ɐ/前可存在。[ɯ̯]只能在/ə/前出現。[3]:221-231
聲調
高平岱依語有6個聲調:
聲調
a̋
˥
a᷄
˦˥
á
˦
ā
˧
à
˨
a᷆
˨˩
參考
^Edmondson, Jerold A., Solnit, David B. (eds). 1997. Comparative Kadai: the Tai branch. Summer Institute of Linguistics and the University of Texas at Arlington Publications in Linguistics 124. Dallas: Summer Institute of Linguistics and the University of Texas at Arlington.
^Văn Ma, Hoàng. The sound system of the Tày language of Cao Bắng Province, Vietnam. Jerold A. Edmondson and David B. Solnit (eds.), Comparative Kadai: The Tai branch: Dallas: Summer Institute of Linguistics and the University of Texas at Arlington. 1997.