COGNITIVE FUNCTION EVALUATION DEVICE, COGNITIVE FUNCTION EVALUATION SYSTEM, COGNITIVE FUNCTION EVALUATION METHOD, AND PROGRAM

摘要

Provided is a cognitive function evaluation device (100) comprising: an acquisition unit (110) for acquiring voice data representing a voice uttered by a subject (U) being evaluated; a computation unit (120) for extracting a plurality of vowels from the voice data acquired by the acquisition unit (110), and for each of the plurality of vowels, computing a feature value based on the frequency and amplitude of one or more formants obtained from the spectra of the vowels; an evaluation unit (130) for evaluating the cognitive function of the subject (U) from the feature values computed by the computation unit (120); and an output unit (140) for outputting the result of the evaluation carried out by the evaluation unit (130).