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How does Mathematica use AudioLocalMeasurements to compute the fundamental frequency? Is there any formula? I can't seem to find what method Mathematica makes use of.

Here is an example.

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You can use Cepstrum,Wiki says

It was originally invented for characterizing the seismic echoes resulting from earthquakes and bomb explosions. It has also been used to determine the fundamental frequency of human speech and to analyze radar signal returns.

In CepstrumArray:

enter image description here enter image description here

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    $\begingroup$ I think this deserves an upvote for "quefrency" alone. $\endgroup$ – Daniel Lichtblau Sep 3 '17 at 14:52
  • $\begingroup$ @partida Where is the calculation for the variable "peaks"? As is, the code does not work. Please fix. $\endgroup$ – Steve Feb 9 at 18:37
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    $\begingroup$ @Steve Sure I added it $\endgroup$ – partida Feb 10 at 14:16
  • $\begingroup$ @partida Thank you very much. I really appreciate it! :-) $\endgroup$ – Steve Feb 10 at 14:46

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