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A 1048576-point (1MB) complex FFT takes less than one second to calculate and display on a 2.0 GHz Pentium PC with 1GB RAM. As with all DADiSP calculations, the FFT is computed with double-precision, floating point arithmetic. Because DADiSP uses a mixed radix FFT algorithm, FFTs are not limited to signals with lengths equal to a power of two.
