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Matlab code for fft of audio signal

Matlab code for fft of audio signal
  1. How do I write FFT code in MATLAB?

How do I write FFT code in MATLAB?

F = fft(f, n)

This form of the command is to compute DFT (Discrete Fourier Transform) of 'f' using a FFT (Fast Fourier Transform) algorithm and results the frequency domain n-point DFT signal 'F'. BY default F possess same size as that of f.

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