<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:14pt"><div><span>Dear Carlos</span></div><div style="color: rgb(0, 0, 0); font-size: 19px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal; "><span>FFT filters are basically FIR filters with the difference that filtering is not done in the time domain, is done in frequency domain. This filter response is much faster if the FIR filter has a high order (large number of coefficients).</span></div><div style="color: rgb(0, 0, 0); font-size: 19px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal; "><span>Here, more explanations about that:</span></div><div style="color: rgb(0, 0, 0); font-size: 19px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;
"><span>http://www.qsl.net/d/dl4yhf///////speclab/filters.htm</span></div><div style="color: rgb(0, 0, 0); font-size: 19px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal; "><span>Best</span></div><div style="color: rgb(0, 0, 0); font-size: 19px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal; "><span>Carlos</span></div><div style="color: rgb(0, 0, 0); font-size: 19px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal; "><span>ULB-Erasme </span></div><div><br></div> <div style="font-family: 'times new roman', 'new york', times, serif; font-size: 14pt; "> <div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; "> <div dir="ltr"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">De:</span></b> Carlos CEVALLOS
<ccevallo@ulb.ac.be><br> <b><span style="font-weight: bold;">Para:</span></b> eeglablist@sccn.ucsd.edu <br> <b><span style="font-weight: bold;">Enviado:</span></b> Martes, 5 de marzo, 2013 9:21 A.M.<br> <b><span style="font-weight: bold;">Asunto:</span></b> [Eeglablist] FIR FFT<br> </font> </div> <br><div id="yiv24548632"><style><!--
#yiv24548632
_filtered #yiv24548632 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;}
#yiv24548632
#yiv24548632 p.yiv24548632MsoNormal, #yiv24548632 li.yiv24548632MsoNormal, #yiv24548632 div.yiv24548632MsoNormal
{margin:0cm;margin-bottom:.0001pt;font-size:11.0pt;font-family:"Calibri", "sans-serif";}
#yiv24548632 a:link, #yiv24548632 span.yiv24548632MsoHyperlink
{color:blue;text-decoration:underline;}
#yiv24548632 a:visited, #yiv24548632 span.yiv24548632MsoHyperlinkFollowed
{color:purple;text-decoration:underline;}
#yiv24548632 span.yiv24548632EmailStyle17
{font-family:"Calibri", "sans-serif";color:windowtext;}
#yiv24548632 .yiv24548632MsoChpDefault
{font-family:"Calibri", "sans-serif";}
_filtered #yiv24548632 {margin:70.85pt 70.85pt 70.85pt 70.85pt;}
#yiv24548632 div.yiv24548632WordSection1
{}
--></style><div><div class="yiv24548632WordSection1"><div class="yiv24548632MsoNormal">Good Day</div><div class="yiv24548632MsoNormal"> </div><div class="yiv24548632MsoNormal">I am going crazy about this, and I can not figure out what would be the main difference between using the FIR filtering or the FFT alternative, is it just computation resources or is there anything else?</div><div class="yiv24548632MsoNormal"> </div><div class="yiv24548632MsoNormal">The question may be dumb but I have been trying to answer this by myself and can not come across a conclusive nor coherent answer. Thanks in advance, and looking forward for your replies</div><div class="yiv24548632MsoNormal"> </div><div class="yiv24548632MsoNormal">Best</div><div class="yiv24548632MsoNormal"> </div><div class="yiv24548632MsoNormal" style=""><span style="font-size: 12pt; font-family: Arial, sans-serif; color: black; ">Carlos CEVALLOS</span></div><div
class="yiv24548632MsoNormal" style=""><span style="font-size: 12pt; font-family: Arial, sans-serif; color: black; ">Laboratory of Neurophysiology and Movement Biomechanics Faculty of Movement Science (FSM, N.5.109) Université Libre de Bruxelles Campus ERASME - CP 640 808, Route de Lennik</span></div><div class="yiv24548632MsoNormal" style=""><span style="font-size: 12pt; font-family: Arial, sans-serif; color: black; ">1070 ANDERLECHT</span></div><div class="yiv24548632MsoNormal" style=""><span style="font-size: 12pt; font-family: Arial, sans-serif; color: black; ">Belgium</span></div><div class="yiv24548632MsoNormal" style=""><span style="font-size: 12pt; font-family: Arial, sans-serif; color: black; ">Phone : +32/2/555.33.93</span></div><div class="yiv24548632MsoNormal" style=""><span style="font-size: 12pt; font-family: Arial, sans-serif; color: black; ">Fax : +32/2/555.69.63</span></div><div class="yiv24548632MsoNormal" style=""><span
style="font-size: 12pt; font-family: Arial, sans-serif; color: black; ">Website : <a rel="nofollow" target="_blank" href="http://www.cheron.be/"><span style="color:blue;">http://www.cheron.be</span></a></span></div><div class="yiv24548632MsoNormal"> </div></div></div></div><br>_______________________________________________<br>Eeglablist page: <a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" target="_blank">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>To unsubscribe, send an empty email to <a ymailto="mailto:eeglablist-unsubscribe@sccn.ucsd.edu" 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 ymailto="mailto:eeglablist-request@sccn.ucsd.edu" href="mailto:eeglablist-request@sccn.ucsd.edu">eeglablist-request@sccn.ucsd.edu</a><br><br> </div> </div> </div></body></html>