CEREBRUM EVALUATION DEVICE

摘要

There is provided a cerebrum evaluation device for evaluating the state of the cerebrum of an examinee by analyzing a speech signal of the examinee by using chaological signal processing utilizing the periodicity of the signal. The cerebrum evaluation device evaluates the state of the cerebrum according to the speech signal uttered by the examinee. The cerebrum evaluation device includes: a statistic information database containing chaological index values of speech signals of a plurality of examinees; a speech signal acquisition unit for acquiring a speech signal; a chaological index value calculation unit for calculating a chaological index value of the speech signal by the chaological signal processing utilizing the periodicity of the speech signal acquired; an evaluation unit for evaluating the state of the cerebrum of the examinee according to the calculated chaological index value by referencing the statistic information database; and an output unit for outputting the result evaluated by the evaluation unit.