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Audio-Spectrum-Analyzer/fft.c at master · Feral24/Audio ...
https://github.com/Feral24/Audio-Spectrum-Analyzer/blob/master/fft.c
//-----Start of borrowed code from Bruce Land-----// // ===== // FFT function: void FFTfix (int fr[], int fi[], int m) // Adapted from code by: // Tom Roberts 11/8/89 and Malcolm Slaney 12/15/94 [email protected] // fr[n],fi[n] are real,imaginary arrays, INPUT AND RESULT. // size of data = 2**m // This routine does foward transform only: begin
The Top 2 Audio Fft Generative Music Open Source Projects ...
https://awesomeopensource.com/projects/audio/fft/generative-music
Awesome Open Source. Combined Topics. audio x. fft x. generative-music x. ... Blockchain 📦 70. Build Tools 📦 111. Cloud Computing 📦 79. Code Quality ...
Any Open Source Fast Fourier Transform C ... - Stack …
https://stackoverflow.com/questions/5794322/any-open-source-fast-fourier-transform-c-implementation
Other than FFTW, Ooura's code is either the fastest, or nearly the fastest, cross-platform FFT library. It runs about twice as fast as the KISS FFT library, which remains popular for some inexplicable reason. Ooura's code takes two-level CPU caches into account, which works well with most modern processors.
FFT Source Code - FFTW Home Page
http://www.fftw.org/links.html
Jörg's "Ugly" Page: Jörg Arndt has gathered a menagerie of FFT links and source code, including much of the software that we used in our benchmark. (Somewhat chaotically organized.) An FFT Page maintained by Steve Kifowit, focusing primarily on Fortran code. D. J. Bernstein has written an optimized C FFT for the Pentium and UltraSPARC. (Its output is …
Example FFT in C - Lloyd Rochester
https://lloydrochester.com/post/c/example-fft/
C Header of the FFT. To perform an FFT we have two helper functions called rearrange and compute. The rearrange function will rearrange the elements in the array corresponding butterfly stages. The compute function does all computation once the signals are put through rearrange. // file fft.h #ifndef EXAMPLE_FFT #define EXAMPLE_FFT // The arrays …
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