Wearable Data Aquisition for Heartbeat and Respiratory Information

Authors:
Harao Noma;Kiroshi Kagure;Yoshitaka Nakajima;Hideo Shnimonomura;Mieko Oshaga
Affiliations:
ATR, Kyoto, Japan;ATR, Kyoto, Japan;ATR, Kyoto, Japan;Osaka Institute technology, Osaka, Japan;Osaka Institute technology, Osaka, Japan
Venue:
ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
Year:
2005

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Abstract

We are aiming at to establish the technology for measuring herartbeat and respiration without placing excessive load on subjects in daily situations. In this paper, we focus on the NAM (Non-Audible Murmur) microphone, a small skin-attached microphone developed to record NAMs. The device can simultaneously work as an accoustic sensor for sounds that are related to the user's psycologial signs. We confirm the existence of the heartbeat and respiratory information in the NAM sounds and discuss the possibility of extracting these indeices.