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2023-12-19fft.lua: documented moduleRobin Haberkorn1-40/+145
2023-12-19fft.lua: added Hann(ing) window functionRobin Haberkorn1-2/+15
2023-12-19fft.lua: added support for Fourier analysis (FFT/IFFT)Robin Haberkorn1-0/+304
* Allows one-time analysis of arrays or short streams. * Transformation on real-time streams * Magnitude and phase extraction * Windowing (only Hamming for the time being).