Detecting Nonlinear Acoustic Properties of Snoring Sounds using Hilbert-Huang Transform

Tsuyoshi Mikami, Satoshi Ueki, Hirotaka Takahashi, Kazuya Yonezawa

2015

Abstract

Since snoring is known to be related to sleep apnea syndrome, many medical/physiological researchers have focused on the biomechanism of snoring and the acoustic properties. Snoring sounds are the mixture of the nonlinear oscillation sounds of the oropharyngeal soft tissues and the airflow noises during inhalation. In conventional studies, however, such properties have not been paid attention to, because there were no suitable methods for the analysis of nonlinear and nonstationary time series data. In this paper, we adopt Hilbert-Huang Transform (HHT) to clarify the nonlinear and nonstationary properties in a nasal snoring sound. As a result, two types of frequency fluctuation are found in the Hilbert-Huang spectrum.

References

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Paper Citation


in Harvard Style

Mikami T., Ueki S., Takahashi H. and Yonezawa K. (2015). Detecting Nonlinear Acoustic Properties of Snoring Sounds using Hilbert-Huang Transform . In Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2015) ISBN 978-989-758-069-7, pages 306-311. DOI: 10.5220/0005279803060311


in Bibtex Style

@conference{biosignals15,
author={Tsuyoshi Mikami and Satoshi Ueki and Hirotaka Takahashi and Kazuya Yonezawa},
title={Detecting Nonlinear Acoustic Properties of Snoring Sounds using Hilbert-Huang Transform},
booktitle={Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2015)},
year={2015},
pages={306-311},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005279803060311},
isbn={978-989-758-069-7},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2015)
TI - Detecting Nonlinear Acoustic Properties of Snoring Sounds using Hilbert-Huang Transform
SN - 978-989-758-069-7
AU - Mikami T.
AU - Ueki S.
AU - Takahashi H.
AU - Yonezawa K.
PY - 2015
SP - 306
EP - 311
DO - 10.5220/0005279803060311