<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Karlo,<div><br></div><div>all EEGLAB filters have 0 phase shifts because they use the filtfilt function of Matlab which filters data in the forward direction and then in the backward direction.</div><div><br></div><div>Arno</div><div><br><div><div>On 22 Jan 2013, at 07:50, karlo gonzales wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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<div><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt"><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Hi,</div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><br></div><div style="background-color: transparent;"><font face="arial, helvetica, sans-serif" size="2">I need you advice for filtering EEG signal(sampling rate=1k) in frequency band (1-4Hz) and (30-50Hz), with zero-phase shift. </font></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 13px; font-family: arial, helvetica, sans-serif; font-style: normal;"><font face="arial, helvetica, sans-serif" size="2">Thanks in advance,</font></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 13px; font-family: arial, helvetica, sans-serif; font-style: normal;"><font face="arial, helvetica, sans-serif" size="2">karlo</font></div></div></div>_______________________________________________<br>Eeglablist page: <a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>To unsubscribe, send an empty email to <a href="mailto:eeglablist-unsubscribe@sccn.ucsd.edu">eeglablist-unsubscribe@sccn.ucsd.edu</a><br>For digest mode, send an email with the subject "set digest mime" to <a href="mailto:eeglablist-request@sccn.ucsd.edu">eeglablist-request@sccn.ucsd.edu</a></blockquote></div><br></div></body></html>