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Healthc Inform Res > Volume 7(2); 2001 > Article
Journal of Korean Society of Medical Informatics 2001;7(2):105-111.
DOI: https://doi.org/10.4258/jksmi.2001.7.2.105    Published online June 30, 2001.
The Heart Sound Data Analysis, Management System using the Wireless Stethoscope
Jae Woo Shin, Joo Sung Lee, Young Ro Yoon
Department of Biomedical Engineering, Yonsei University, Korea.

This paper is about the system using a wireless stethoscope to analysis the FFT and the time-frequency for a heart sound and to manage the collected data for a web-based system. We reformed a wireless stethoscope, connected to PC interface and added the analysis function. In result, we combined merits of an existed wireless system to be convenient for measuring the heart sound and to be available for many listener to ausculate the heart sound simultaneously, and an existed wired system to supply the various analysis functions. The heart sounds data was made into the database to search or refer to the patient data. It is possible to search and refer by the web-browser to the recorded heart sound file, the analyzed file by FFT and the STFT time-frequency method.

Key Words: Stethoscope, Heart Sounds, Time-Frequency Analysis
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