filtering real time signal

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I have recorded real time signal using audio recorder in Matlab. Now i want to filter this signal using butterworth filter.
I don't know,how to interface real time signal with the butter command. Is this possible?
could you please help me out.
Thank you

Posted 2-Apr-13 21:21pm

Kavita Goswami

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Kenneth Haugland · Answer 1 · 2013-04-02T21:26:00

Solution 1

Well a Butterworth filer is a fir filer, so a simple buffer that stores 6 or 7 last values will give you the filtered output live.

Posted 2-Apr-13 21:26pm

Kenneth Haugland