I would like to record the device from the microphone and then be able to calculate beats per second of the recorded audio, whether Is this possible and how? Is there an open source project that I can see?
To record music from a microphone, use and store the sample (enough for a few seconds) should be there).
Finding beets is a trickier, but there is a good explanation, but if you have no background in signal processing then it will not be easy.
You may also have to use original libraries to implement FFTs well.
See also related questions:
Good luck!
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