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by peterb
4035 days ago
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Yeah, that's what I would do. First apply an IIR low pass filter (e.g. 200 Hz), downsample, apply a window function (e.g. Hamming, but there are probably better choices) and then autocorrelate the window. The peaks in the autocorrelation should give you the beat. If you use a higher frequency you can get the sub-beats. This should work with all music types ... kick drum or no kick drum. |
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