[Eeglablist] pop_spectopo jagged spectrum

Maximilien Chaumon maximilien.chaumon at gmail.com
Thu Aug 27 03:22:33 PDT 2015


Running a spectopo command on a continuous dataset as follows:
spec = pop_spectopo(EEG,1,[],'EEG','noplot','on','percent',5);
I get a terrible jagged spectrum, really ugly like a saw.
I tried to get to the bottom of the problem and ended up looking at the
point where this pwelch function from signal toolbox is called. The
spectrum that comes out of it is messed up (similar to above).
So I made sure this pwelch function isn't used and it shows a much nicer
(normal) power spectrum.

Anyone had this issue already? How did you solve it?

I filed a bug: *Bug 1791*

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