tomwalters@0: % method of class @signal
tomwalters@0: % 
tomwalters@0: %   INPUT VALUES:
tomwalters@0: %  
tomwalters@0: %   RETURN VALUE:
tomwalters@0: %
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 val=rms(sig)
tomwalters@0: %usage: val=rms(data)
tomwalters@0: %
tomwalters@0: %returns rms of given vector
tomwalters@0: %another way would be val=norm(data)/sqrt(length(data))
tomwalters@0: % David R R Smith   22/05/02
tomwalters@0: 
tomwalters@0: data=getvalues(sig);
tomwalters@0: val=(mean(data.^2)).^0.5;
tomwalters@0: