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I have a successful FFT visualizer up and running, but I notice that with all the audio I test it with, the right half of the spectrum (roughly) is almost never being used, and it makes the thing look tacky. I am surprised to find there's not a straightforward method in the FFT object (to my awareness) for specifying the highest and lowest frequencies I'm interested in. Is there a feasible way to accomplish this? I am attempting to filter the results in other ways with no success.
Edit: I should also mention that I am getting linear averages, not accessing actual bands, and other components rely on the number of averages in an array being an exact value.