- MSP includes an
`fft~`object that computes the FFT of an input signal. - The input signal can be complex, in which case the imaginary part of the input signal is connected to the right inlet.
- The result of the FFT operation is normally complex, with the real and imaginary parts being output from the left and right outlets, respectively.
- By default, a 512-point FFT is computed. Optional arguments control the FFT size, the FFT ``hop'' or period in samples (the number of samples of input between successive FFT computations), and ``phase'' (described as an offset from the beginning of the period when the FFT is computed).
- MSP also has an
`ifft~`object that computes the inverse FFT (or IFFT) from a complex pair of inputs. - Note that the
`cartopol~`object converts a cartesian complex number representation (*a*+*jb*) to a polar representation ().

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