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Rockbox mail archiveSubject: Re: DSP: low pass filterRe: DSP: low pass filter
From: Magnus Holmgren <lear_at_algonet.se>
Date: Sun, 14 Aug 2005 17:55:34 +0200 Tomas wrote: > Ok, then the next problem is... how to make a lowpass filter if I have > an FFT? (I've found some other FFT sources too) What you get out of an FFT is a set of amplitudes for a set of equal-sized frequency ranges. So just check the right bunch of amplitudes. Wikipedia should explain the basics... Magnus _______________________________________________ http://cool.haxx.se/mailman/listinfo/rockbox Received on 2005-08-14 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |