samer@1: classdef sigbase < signal
samer@1: 	properties (GetAccess=protected, SetAccess=immutable)
samer@1: 		chans
samer@1: 		fs
samer@1: 	end
samer@1: 	methods
samer@1: 		function s=sigbase(channels,rate)
samer@1: 			if nargin<2, rate=nan; end
samer@1: 			if nargin<1, channels=nan; end
samer@1: 			s.chans=channels;
samer@1: 			s.fs=rate;
samer@1: 		end
samer@1: 
samer@1: 		function c=channels(s), c=s.chans; end
samer@1: 		function c=rate(s), c=s.fs; end
samer@1: 	end
samer@1: end