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Anthropological Science
Anthropological Science
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18
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by Anthropological Society of Nippon
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eye 18

Electroglottography (EGG) is a low-cost, non-invasive method for documenting laryngeal sound production during vocalization. The EGG signal represents relative vocal fold contact area and thus delivers physiological evidence of vocal fold vibration. While the method has received much attention in human voice research over the last five decades, it has seen very little application in other mammals. Here, we give a concise overview of mammalian vocal production principles. We explain how...
by Anthropological Society of Nippon
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eye 7

Our understanding of the evolution of human speech has been expanded by an increased knowledge of vocal anatomy and physiology in non-human primates. Comparative approaches provide evidence supporting the primate origins of many speech faculties. The descent of the larynx enables the two-tube configuration of the supralaryngeal vocal tract (SVT) in humans; however, this configuration is also found in chimpanzees and macaques. The acoustic properties of voices produced in helium gas support the...