% method of class @signal
%function nr=getnrchannels(sig) 
%   INPUT VALUES: the signal
%  	
%   RETURN VALUE:
%	this is here for compatibility to the frame class
% 
% This external file is included as part of the 'aim-mat' distribution package
% (c) 2011, University of Southampton
% Maintained by Stefan Bleeck (bleeck@gmail.com)
% download of current version is on the soundsoftware site: 
% http://code.soundsoftware.ac.uk/projects/aimmat
% documentation and everything is on http://www.acousticscale.org


function nr=getnrchannels(sig)
nr=1;	% almost per definition