i just finished making an arduino fft library http://wiki.openmusiclabs.com/wiki/ArduinoFFT it can do anywhere from 16 to 256 points which returns 8 to 128 real frequency bins and operates in ~7ms for a 256 point fft there are multiple output functions one of which is in octaves so its pretty…

fast FFT library

system August 20, 2012, 12:47pm 4

Isn't "fast Fast Fourier Transform" a tautology?

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