All source codes listed here are licensed under Creative Commons Zero license unless otherwise explicitly stated. See README or License file in archive for details of specific program.

Source codes

DSP

Discrete Fourier Transform: Implementation of Discrete Fourier Transform in C according to definition.
Fast Fourier Transform: Implementation of Fast Fourier Transform radix-2 algorith in C. It works only for inputs whose length is a power of 2. It is not intented to be fast but readable.

Spectral sound

Simple implementation of spectral sound (for left and right side) using jack audio. See README in the archive for details.