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Author/Affiliation: Naoki Hagiwara
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Open AccessArticle
4 Pages, 1,336 KB Download PDF

Difference in Speech Analysis Results by Coding

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 488–491, 2018; DOI: 10.25046/aj030555
Abstract:

Mental health disorder is becoming a social problem, and there is a need for technology that can easily check for states of stress and depression as a countermeasure. Conventional methods of diagnostic support and screening include self-administered psychological tests and use of biomarkers. However, there are problems such as burden on subjects, examination costs, dedicated…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Acoustics (ACO))
Open AccessArticle
8 Pages, 1,010 KB Download PDF

Multilingual evaluation of voice disability index using pitch rate

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 765–772, 2017; DOI: 10.25046/aj020397
Abstract:

We propose the use of the pitch rate of free-form speech recorded by smartphones as an index of voice disability. This research compares the effectiveness of pitch rate, jitter, shimmer, and harmonic-to-noise ratio (HNR) as indices of voice disability in English, German, and Japanese. Normally, the evaluation of these indices is performed using long-vowel sounds;…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 749 KB Download PDF

Validity of Mind Monitoring System as a Mental Health Indicator using Voice

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 338–344, 2017; DOI: 10.25046/aj020343
Abstract:

We have been developing a method of evaluating the mental health condition of a person based on the sound of their voice. Currently, we have applied this technology to create a smartphone application that shows the vitality and the mental activity as mental health condition indices. Using voice to measure one’s mental health condition is…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Biomedical Engineering (EBI))

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