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The fast Fourier transform is an efficient algorithm to compute the discrete Fourier transform (DFT) and its inverse.
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Use Cases of FFT in Signal Processing [duplicate]
My understanding is that a classical use case for fft is to remove "noise" (ex. high frequencies that are not supposed to be in the original). …
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Reducing one frequency in song
Based on my research so far, the song should be broken down into chucks, FFT it, reduce the target frequency ranges, iFFT it, and stitch the chunks back together. … how to convert back from the FFT output to audio, and how to restitch. …