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Digital Stethoscope Design

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Title: Digital Stethoscope Design
Author: Cheung, Liam; Hin, Andy; Wood, Chris
Abstract: This paper details a new design for a digital stethoscope, which has the ability to lter out ambient noise and reduce playback speed. The design largely resembles a tradi- tional acoustic stethoscope but with a digital embedded system to handle the ltering and re- duced playback speed. Initial signal processing testing of the design has been conducted with results showing successful reduction in ambient noise and faithful replication of sound at a re- duced speed.
Date: 2010-01-25
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