Development of digital stethoscope for telemedicine

被引:33
作者
Lakhe A. [1 ]
Sodhi I. [1 ]
Warrier J. [1 ]
Sinha V. [2 ]
机构
[1] Department of Biomedical Engineering, College of Engineering and Technology, Navi Mumbai, Maharastra
[2] Electronic Division, Bhabha Atomic Research Centre, Mumbai
关键词
adaptive line enhancement (ALE) technique; Auscultation; band pass filter (BPF); bluetooth; condenser microphone; digital filter; heartsound amplifier; telemedicine;
D O I
10.3109/03091902.2015.1116633
中图分类号
学科分类号
摘要
The stethoscope is a medical acoustic device which is used to auscultate internal body sounds, mainly the heart and lungs. A digital stethoscope overcomes the limitations of a conventional stethoscope as the sound data is transformed into electrical signals which can be amplified, stored, replayed and, more importantly, sent for an expert opinion, making it very useful in telemedicine. With the above in view, a low cost digital stethoscope has been developed which is interfaceble with mobile communication devices. In this instrument sounds from various locations can be captured with the help of an electret condenser microphone. Captured sound is filtered, amplified and processed digitally using an adaptive line enhancement technique to obtain audible and distinct heart sounds. © 2015 Taylor and Francis.
引用
收藏
页码:20 / 24
页数:4
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