Ben Knisley BenKnisley
BenKnisley
/ gist:4f74d5861945c67f604f4ac12601e26d
Created
April 17, 2018 14:27
— forked from sebpiq/gist:4128537
Python implementation of the Goertzel algorithm for calculating DFT terms
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| import math | |
| def goertzel(samples, sample_rate, *freqs): | |
| """ | |
| Implementation of the Goertzel algorithm, useful for calculating individual | |
| terms of a discrete Fourier transform. | |
| `samples` is a windowed one-dimensional signal originally sampled at `sample_rate`. | |
| The function returns 2 arrays, one containing the actual frequencies calculated, |