Parse (extract) DTMF in Python -

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If I have a record audio file (MP3), there is no way to record DTMF tone pure In Python?

(If the python is not available then Java is also OK. This issue is that it should be able to run in Google Appengine)

First you have to decode the MP3 in the uncompressed format of raw samples at a bit bit depth and sampling rate. Then you look for frequencies that make every DTMF tone. Although FFT can be used for this, the algorithm of guns is the Gortezel algorithm, which uses the fact that you know which frequencies you take before making changes:

In it Some free python codes are present, using a Gortel to detect DTMF, although I have not tried to do it myself, take a look at:


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