<html><body><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></body></html>