Principal dimensions of voice production and their role in vocal expression

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Identifies key dimensions in voice production, affecting how emotions are conveyed in communication.

Voice changes are consistently produced along three dominant dimensions of voice outcome space, influencing vocal expression.
The principal components explain over 50% of the variance, highlighting respiratory-laryngeal coordination's role.
Using a three-dimensional computational model, this analysis integrates laryngeal control and voice outcome measures systematically across variations in geometry and pressure levels. The findings suggest that these dimensions have likely evolved for effective communication of personal information.

Zhaoyan Zhang (2024) studied this question.

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