Teensy 4.1, 8K or better FFT

anyvias

New member
Hi, I'm trying to make a function that reads adc value and get output value of each point from 8K FFT or better (16K FFT).
Does teensy4.1 have enough performance to do this?
 
Absolutely it does, but you might have to search around for code, the standard audio library supports smaller slower processors too and only has 256 and 1024 FFTs to be portable across the range of Teensy's - they don't all have a meg of RAM.
 
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