tomwalters@0: % method of class @frame
tomwalters@0: % 
tomwalters@0: %   INPUT VALUES:
tomwalters@0: %  
tomwalters@0: %   RETURN VALUE:
tomwalters@0: %
tomwalters@0: % 
tomwalters@0: % (c) 2003, University of Cambridge, Medical Research Council 
tomwalters@0: % Stefan Bleeck (stefan@bleeck.de)
tomwalters@0: % http://www.mrc-cbu.cam.ac.uk/cnbh/aimmanual
tomwalters@0: % $Date: 2003/01/17 16:57:46 $
tomwalters@0: % $Revision: 1.3 $
tomwalters@0: 
tomwalters@0: function fr=highpassfilter(fr,cutoff,dbperoctave);
tomwalters@0: % usage:fr=highpassfilter(fr,cutoff,dbperoctave);
tomwalters@0: % filters all channel according to its frequency
tomwalters@0: 
tomwalters@0: 
tomwalters@0: nr_chan=getnrchannels(fr);
tomwalters@0: cfs=getcf(fr);
tomwalters@0: vals=getvalues(fr);
tomwalters@0: 
tomwalters@0: for i=1:nr_chan
tomwalters@0:     fre=cfs(i);
tomwalters@0:     val=getfiltervaluehighpass(fre,cutoff,dbperoctave);
tomwalters@0:     vals(i,:)=vals(i,:)*val;
tomwalters@0: end
tomwalters@0: 
tomwalters@0: fr=setvalues(fr,vals);