Cognitive function evaluation device, cognitive function evaluation system, and cognitive function evaluation method

A cognitive function evaluation device includes: an obtainment unit configured to obtain speech data indicating speech uttered by a subject; a calculation unit configured to extract a plurality of vowels from the speech data obtained by the obtainment unit, and calculate, for each of the plurality o...

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Bibliographische Detailangaben
Hauptverfasser:	Nishiyama, Takashi, Sumi, Sadayuki, Nagumo, Ryosuke, Abe, Kengo, Matsumura, Yoshihiro, Ukeda, Takaaki
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE MUSICAL INSTRUMENTS PHYSICS SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION SURGERY
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Beschreibung
Zusammenfassung:	A cognitive function evaluation device includes: an obtainment unit configured to obtain speech data indicating speech uttered by a subject; a calculation unit configured to extract a plurality of vowels from the speech data obtained by the obtainment unit, and calculate, for each of the plurality of vowels, a feature value based on a frequency and an amplitude of at least one formant obtained from a spectrum of the vowel; an evaluation unit configured to evaluate a cognitive function of the subject from the feature value calculated by the calculation unit; and an output unit configured to output an evaluation result of the evaluation unit.