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kyin gab

How to detect dialed signals dtmf

Asked by kyin gab
on 30 Nov 2012


If given Fs(sampling frequency) and t(period for each signal), How can I detect the dialed numbers in a dtmf signal using fft.




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1 Answer

Answer by Wayne King
on 30 Nov 2012


seen it many times. I am a beginner and honestly, MatLab did not help matters there.

Thank you.

It appears the above moved. One Simulink based example is now at

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