I need to create an FFT the same as this example
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Hi, I am anyisying a piece of prerecorded aduio and need to create a graph very similar to this.

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Walter Roberson
2020-5-22
see the first example of fft()
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Vaibhav Tomar
2020-5-28
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You may refer to the following link for creating the required FFT:
This illustrates the example you have mentioned above.
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