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JRM Vol.23 No.3 pp. 434-442
doi: 10.20965/jrm.2011.p0434
(2011)

Paper:

Heart Rate and Respiratory Rate Measurement Using Body-Sound

Hiroyasu Miwa

Digital Human Research Center, National Institute of Advanced Industrial Science and Technology (AIST), AIST Waterfront 3F, 2-3-26 Aomi, Koto-ku, Tokyo 135-0064, Japan

Received:
September 30, 2010
Accepted:
April 22, 2011
Published:
June 20, 2011
Keywords:
body-sound, sensor, heart rate, respiratory rate
Abstract

Daily stress management is essential for preventing mental illness. We have therefore been developing physiological signal sensors for measurement of multiple stress markers. The present study focused on “body-sound,” i.e., sound generated inside the human body, which included high amounts of information on physical condition. The prototype body-sound sensor we developed consisted of stethoscopes, amplifier microphones, an A/D converter and a PC. We measured body-sound in the neck and trunk. Then, we selected heart rate and respiratory rate as common stress markers. By comparing body-sound at different measurement positions, we developed new sensing system simultaneously measuring heart and respiratory rate with a body-sound sensor at the neck. Finally, we evaluated proposal performance by comparing body-sound and the electrocardiogram and respiratory waveform, confirming that our proposal could measure both heart and respiratory rate.

Cite this article as:
Hiroyasu Miwa, “Heart Rate and Respiratory Rate Measurement Using Body-Sound,” J. Robot. Mechatron., Vol.23, No.3, pp. 434-442, 2011.
Data files:
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