| Paper: | ITT-P2.9 | ||
| Session: | Emerging DSP Applications | ||
| Time: | Thursday, May 18, 10:00 - 12:00 | ||
| Presentation: | Poster | ||
| Topic: | Industry Technology Track: Biomedical | ||
| Title: | An Ultra-Low Power Subband-Based Electronic Stethoscope | ||
| Authors: | Julie Johnson, David Hermann, Melody Witter, Etienne Cornu, Robert Brennan, AMIS Canada, Canada; Alain Dufaux, AMIS Switzerland, Switzerland | ||
| Abstract: | Electronic stethoscopes are able to offer signal amplification and other benefits over traditional stethoscopes. However, many electronic stethoscopes rely on a personal computer for their signal processing, which reduces portability and requires a relatively large amount of power. This paper presents a low power, portable electronic stethoscope system that is based on a signal processing approach using an over-sampled filterbank. This system is implemented on an ultra-low resource DSP system. The stethoscope incorporates multiple filtering modes as well as audio record and playback (full and half speed) functionality. | ||
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