<div dir="ltr">Dear EEGLAB list,<div><br></div><div>I'm currently struggling with the eegfilt function. I have following trial which I want to low pass filter:</div><div><br></div><div><a href="https://dl.dropboxusercontent.com/u/2635172/singleTrial.mat">https://dl.dropboxusercontent.com/u/2635172/singleTrial.mat</a><br>
</div><div><br></div><div>I filter it using following command</div><div>newTrial = eegfilt(trial, 500, 0, 10, 0, 16, 0);<br></div><div><br></div><div>Unfortunatley, I get following warning:<br></div><div><div>Warning: Using firls to estimate filter coefficients. We recommend that you use fir1 instead, which</div>
<div>yields larger attenuation. In future, fir1 will be used by default! </div></div><div><br></div><div>Also, if I compare the mean standard deviation of mean(std(trial)) and mean(std(newTrial)) I get 8.97283262607351 and 3.52360238407558 respectively. The trial actually loses energy. Is there a way to counteract this energy removal?</div>
<div><br></div><div>Regards,</div><div>David</div><div><br></div><div><br></div></div>