No such thing as a small change | |
PerlMonks |
Re: Finding local maxima/minima in noisy, pediodic databy mpeg4codec (Pilgrim) |
on Oct 12, 2009 at 20:56 UTC ( [id://800799]=note: print w/replies, xml ) | Need Help?? |
Push the data through a low-pass filter:
Tweak the alpha to get at the desired frequency band.
In Section
Seekers of Perl Wisdom
|
|