tomwalters@0: % method of class @
tomwalters@0: %function s=sum(sig,t_start,t_stop) 
tomwalters@0: %   INPUT VALUES:
tomwalters@0: %  	sig: @signal
tomwalters@0: %	t_start: start time (default: 0)
tomwalters@0: % 	t_stop: sum until here (default: signal-length)
tomwalters@0: %
tomwalters@0: %   RETURN VALUE:
tomwalters@0: %		s: sum of the signal in that region
tomwalters@0: %
bleeck@3: % This external file is included as part of the 'aim-mat' distribution package
bleeck@3: % (c) 2011, University of Southampton
bleeck@3: % Maintained by Stefan Bleeck (bleeck@gmail.com)
bleeck@3: % download of current version is on the soundsoftware site: 
bleeck@3: % http://code.soundsoftware.ac.uk/projects/aimmat
bleeck@3: % documentation and everything is on http://www.acousticscale.org
bleeck@3: 
tomwalters@0: 
tomwalters@0: function s=sum(sig,t_start,t_stop)
tomwalters@0: 
tomwalters@0: if nargin < 2
tomwalters@0:     t_start=getminimumtime(sig);
tomwalters@0: end
tomwalters@0: if nargin < 3
tomwalters@0:     t_stop=getmaximumtime(sig);
tomwalters@0: end
tomwalters@0: 
tomwalters@0: intstart=time2bin(sig,t_start)+1;
tomwalters@0: intstop=time2bin(sig,t_stop);
tomwalters@0: 
tomwalters@0: 
tomwalters@0: if intstart<1
tomwalters@0:     intstart=1;
tomwalters@0:     disp('signal::sum: starttime too small');
tomwalters@0: end
tomwalters@0: if intstop>getnrpoints(sig)
tomwalters@0:     intstop=getnrpoints(sig);
tomwalters@0:     disp('signal::sum: intstop too big!');
tomwalters@0: end
tomwalters@0: 
tomwalters@0: % if intstart>intstop
tomwalters@0: %     error('signal::sum: stoptime < starttime');
tomwalters@0: % end
tomwalters@0: 
tomwalters@0: 
tomwalters@0: s=sum(sig.werte(intstart:intstop));