samer@0: % tee - T-junction sink, sends copies to two sub-sinks.
samer@0: function s=tee(snk1,snk2)
samer@0: 	if ~unify_channels(channels(snk1),channels(snk2))
samer@0: 		error('Channel number mismatch');
samer@0: 	end
samer@0: 	s=sinkbinop(@dup,@(c1,c2)unify_channels(c1,c2),snk1,snk2);
samer@0: end