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how to plot ECG using microphone component as an input device

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john roy palita
john roy palita on 19 Dec 2014
Commented: Star Strider on 19 Dec 2014
I'm a beginner in matlab and we are ask to make a GUI of ECG where the input data are real-time using microphone
how to I get real-time audio input, filter the sound and plot it?


Geoff Hayes
Geoff Hayes on 19 Dec 2014
John - what have you tried so far? If you are using the microphone, then consider using the audio recorder.
Star Strider
Star Strider on 19 Dec 2014
Are you talking about an electrocardiogram (EKG or ECG) or phonocardiogram (electronic stethoscope)?
An electrocardiogram using the sound card as input would require sophisticated instrumentation. A phonocardiogram would require only a microphone.

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