用于语音识别语音增强方面的matlab工具包

				function a = set(a,varargin)				% SET Set SPECTRUM properties and return the updated object								% $Id: set.m 113 2006-06-14 12:40:22Z mairas $								property_argin = varargin;				while length(property_argin) >= 2,				    prop = property_argin{1};				    val = property_argin{2};				    property_argin = property_argin(3:end);				    switch prop				    case 'frequency'				        a.frequency = val;				    case 's'				        a.s = val;				    otherwise				        error('invalid property for spectrum')				    end				end