| Presentation | 2009-11-19 The measurement of the detecting the sound signals in the human body for prediction of sleep in sleep-wake state (The 2nd report) Masanori AKITA, Yoichi MIDORIKAWA, Tatsuya KANECHIKA, Masakazu SAKAGUCHI, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In recent, several examinations are done to detect sleepiness for the safety of the driving car or other industry machines. For detecting some cues of the fatigue of the human body or sleepiness, brain waves and the finger plethysmogram are often used which express the flow of the brood. The sensors detecting the movement of the body are also used. However, the systems using these parameters are fairly large and complicated. And further experiments are required for the precise detection of the sleepiness. We tried to measure the sounds in the human body for detecting the sleepiness in previous report. In this experiment, NAM microphone system is used for measuring the sounds. The signals are analyzed into the cepstral coefficients and the feature parameters are defined using these coefficients. The feature parameters are compared with the signals obtained from the piezoelectric sensors, which is effective to detect the sleep in sleep-wake state. Relationship between the time variations of the feature parameters and sleepiness are reported. But the measuring experiments are limited and the results are ambiguous. In this report, the measuring experiments of the human body are done 9 times using 3 examinees. The measuring points of the sounds in human body are changed and the usage of cepstral parameters constructing the features parameters of the sounds in human body is also changed. Experimental results are described in this report. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Prediction of sleep in sleep-wake state / NAM microphone / Piezoelectric sensor / Cepstrum |
| Paper # | EA2009-80 |
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| Conference Information | |
| Committee | EA |
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| Conference Date | 2009/11/12(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Engineering Acoustics (EA) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | The measurement of the detecting the sound signals in the human body for prediction of sleep in sleep-wake state (The 2nd report) |
| Sub Title (in English) | |
| Keyword(1) | Prediction of sleep in sleep-wake state |
| Keyword(2) | NAM microphone |
| Keyword(3) | Piezoelectric sensor |
| Keyword(4) | Cepstrum |
| 1st Author's Name | Masanori AKITA |
| 1st Author's Affiliation | Faculty of Engineering, Oita University() |
| 2nd Author's Name | Yoichi MIDORIKAWA |
| 2nd Author's Affiliation | Faculty of Engineering, Oita University |
| 3rd Author's Name | Tatsuya KANECHIKA |
| 3rd Author's Affiliation | Faculty of Engineering, Oita University |
| 4th Author's Name | Masakazu SAKAGUCHI |
| 4th Author's Affiliation | Faculty of Engineering, Oita University |
| Date | 2009-11-19 |
| Paper # | EA2009-80 |
| Volume (vol) | vol.109 |
| Number (no) | 286 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |