Size and physiological effort in the production of signed and spoken utterances
نویسنده
چکیده
It is shown that the energy required in order to articulate manual and oral gestures at a given rate varies in proportion with the fifth power of linear body size, while the energy supply varies with its second power. This provides for a better understanding of the differences in peripheralness observed in the formant frequencies of vowels in speech articulated more or less forcefully by men, women and children.
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