scaling factors
Posted: Tue Jun 22, 2010 11:56 am
I compared the data obtained via Matlab/EEGLAB from the BDF files and the data coming from the "Downsample.vi" for the EXi channels and found a difference by factor 10000 (probably 8196 ?).
What is the exact reason for that and where does the scaling happen in the full Actiview version ? I need comparable data for the investigations I have done offline and which I will do online using modified Actiview.
I ve found a scaling by 8196 caused by the variable ElecGain, but that appears to me as if it only affects the displaying. Is there sth. similar affecting the savings as well ?
What is the exact reason for that and where does the scaling happen in the full Actiview version ? I need comparable data for the investigations I have done offline and which I will do online using modified Actiview.
I ve found a scaling by 8196 caused by the variable ElecGain, but that appears to me as if it only affects the displaying. Is there sth. similar affecting the savings as well ?