See also:

• Science: Math: Analysis: Transform Calculus  (6)
• Science: Technology: Electronics: Signal Processing  (122)

FFT Page: Some FFT subroutines in FORTRAN. fast Fourier transform, FFT, split radix FFT, discrete Fourier transform, split

fftpack: - A package of Fortran subprograms for the fast Fourier transform of periodic and other symmetric sequences.

FFTW: - Fast free C FFT library; includes multi-dimensional, real-complex, and parallel transforms.

Jens J. Nielsen's Home Page: - Arbitrary length FFT C-source, 3D gravity simulator, quantization of FIR filter coefficients. C source.

Joerg's FXT Page: - Source code and links for many different FFT implementations and related information.

Row-oriented Multidimensional Fast Transform Library (RMFTL): - Power-of-two real and complex FFT software that is faster, and more accurate, than conventional iterative implementation of one-dimensional FFTs. Based on a proprietary algorithm.

Sigview - FFT Analysis Software: - A real-time spectral analysis application with spectral analysis tools, statistical functions and visualization system. It can analyse data from WAV files or sound input from microphone or CD player. Shareware.