The fast Fourier transform (FFT) is an algorithm for efficiently computing the DFT. It reduces the computational complexity from O(N^2) to O(N log N), making it extremely useful for real-time applications.
The fast Fourier transform (FFT) is an algorithm for efficiently computing the DFT. It reduces the computational complexity from O(N^2) to O(N log N), making it extremely useful for real-time applications.