Cerebrum evaluation device

A - Human Necessities – 61 – B

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A61B 5/16 (2006.01) A61B 10/00 (2006.01)

Patent

CA 2560529

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.

Il est prévu un dispositif d~évaluation du cerveau pour évaluer l~état du cerveau d~une personne examinée en analysant un signal de parole de la personne examinée en utilisant un traitement de signal chaologique faisant appel à la périodicité du signal. Le dispositif d~évaluation d~activité comporte : une base de données d~informations statistiques contenant des valeurs d~indice chaologique de signaux de parole d~une pluralité de personnes examinées ; une unité d~acquisition de signal de parole pour acquérir un signal de parole ; une unité de calcul de valeur d~indice chaologique pour calculer une valeur d~indice chaologique du signal de parole en faisant appel à la périodicité du signal de parole acquis ; une unité d~évaluation de l~état du cerveau de la personne examinée en fonction de la valeur d~indice chaologique calculée par référence à la base de données d~informations statistiques ; et une unité de sortie pour sortir le résultat évalué par l~unité d~évaluation.

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