Higher pitch in BT is not universal: acoustic evidence from Quiche Mayan.

@article{Ratner1984HigherPI,
  title={Higher pitch in BT is not universal: acoustic evidence from Quiche Mayan.},
  author={Nan Bernstein Ratner and Clifton Lowell Pye},
  journal={Journal of child language},
  year={1984},
  volume={11 3},
  pages={
          515-22
        }
}
  • N. Ratner, C. Pye
  • Published 1 October 1984
  • Psychology, Medicine
  • Journal of child language
Although higher pitch has been described as a universal feature of babytalk (BT) registers worldwide, analysis of a sample of three Quiche Mayan-speaking mothers addressing their infant children indicated that their BT register does not utilize this feature. Quiche mothers either make no pitch distinction in speech to young children, or actually lower pitch slightly in comparison with their Adult–Adult interaction style. A comparison group of American mothers raised pitch 35–70 Hz when… 

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