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How to record analog data through a microphone jack using MATLAB

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Sunghan Kim
Sunghan Kim 2013-7-25
Is it possible to record analog data by plugging in a 1/4" phone jack wire into a laptop's microphone jack (1/8") using MATLAB? The analog data has been filtered and amplified by another system.
The situation is that using my laptop (with MATLAB) I would like to display and store a certain type of analog signal that is coming out of an expensive medical device through a 1/4" analog phone jack wire.
-- SK

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Honglei Chen
Honglei Chen 2013-7-27
You can use dsp.AudioRecorder to do this. There is an example in the reference page
http://www.mathworks.com/help/dsp/ref/dsp.audiorecorderclass.html
HTH

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