tomwalters@0: % method of class @signal
tomwalters@0: % function sig=generateclicktrain(sig,frequency,[amplitude])
tomwalters@0: %   INPUT VALUES:
tomwalters@0: %       sig: original @signal with length and samplerate 
tomwalters@0: %       frequency: frequency of the clicktrain (Hz)
tomwalters@0: %       amplitude: amplitude [1]
tomwalters@0: % 
tomwalters@0: %   RETURN VALUE:
tomwalters@0: %       sig:  @signal 
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 sig=generateclicktrain(sig,frequency,amplitude)
tomwalters@0: 
tomwalters@0: if nargin < 3
tomwalters@0:     amplitude=1;
tomwalters@0: end
tomwalters@0: 
tomwalters@0: name= sprintf('Clicktrain %5.2f Hz',frequency);
tomwalters@0: 
tomwalters@0: df=floor(getsr(sig)/frequency);
tomwalters@0: to=time2bin(sig,getlength(sig));
tomwalters@0: clicks=1:df:to; % start at the sampletime
tomwalters@0: 
tomwalters@0: sig=setbinvalue(sig,clicks,amplitude);
tomwalters@0: