BMECH_COMBINE(fld1,fld2,method,fl1exclude,fl2exclude) will combine data from 2 separate zoo files. ARGUMENTS fld1 ... folder for first data set. Files saved to fld1 fld2 ... folder for second data set method ... determines if you want to upsample the signal with the lower frequency ('up'), if you want to downsample the signal with the highest frequency ('down'), or leave them the same 'none'. Default is down if frequencies are different. fl1exclude ... Files names to ignore from fld1. Default none, {} fl2exclude ... File names to ignore from fld2. Default none, {} Example You may have collected data using 2 separate systems. As each signal was colected by a different system, you have 2 sets of zoo data per trial. This file will create a sigle zoo file containing all the channels in the first folder fld1 NOTES - make a copy of "folder 1" this is where all your data will be combined - please make sure correct trials are combined. Files in each folder should follow the same number sequence. - You can check the zoosystem SourceFile to make sure process was completed correctly