Hi How can i do analysis sound for a frequency range. for example we have a sound that enrgy spread between 3000 hz to 4000 , now i want analysis this sound by aurduinofft library from 3000 to 4000 hz and samples 128 And analysis show 3000 3015 3030 3045 3060 ..... 4000 I dont want start…

A hard question about fft

gfvalvo October 5, 2021, 2:32pm 2

You have to start from 0. But, you don't have to pay attention to the bins that are outside your range of interest.

What's the sampling frequency?

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