Windowed/Overlapped Fast Fourier Transform windowed-fft~ is an abstraction wrapping a pair of fft~ objects and performing the necessary windowing and overlap to use the output for analysis. Cycling '74 MSP MSP FFT Number of FFT points The first argument specifies the number of points (samples) in the FFT. It must be a power of two. If you are unsure, use 1024. Audio signal to be transformed Audio signal to be transformed from the time domain into the frequency domain.