annotate aim-mat/tools/genton.m @ 4:537f939baef0 tip

various bug fixes and changed copyright message
author Stefan Bleeck <bleeck@gmail.com>
date Tue, 16 Aug 2011 14:37:17 +0100
parents 20ada0af3d7d
children
rev   line source
tomwalters@0 1 % tool
tomwalters@0 2 %
tomwalters@0 3 % INPUT VALUES:
tomwalters@0 4 %
tomwalters@0 5 % RETURN VALUE:
tomwalters@0 6 %
tomwalters@0 7 %
bleeck@3 8 % (c) 2011, University of Southampton
bleeck@3 9 % Maintained by Stefan Bleeck (bleeck@gmail.com)
bleeck@3 10 % download of current version is on the soundsoftware site:
bleeck@3 11 % http://code.soundsoftware.ac.uk/projects/aimmat
bleeck@3 12 % documentation and everything is on http://www.acousticscale.org
bleeck@3 13
tomwalters@0 14
tomwalters@0 15 function res=genton(nr_comps,nr_harm,f0,len)
tomwalters@0 16
tomwalters@0 17 if nargin < 4
tomwalters@0 18 len=0.3;
tomwalters@0 19 end
tomwalters@0 20
tomwalters@0 21 s1=signal(len,16000); %erster Ton
tomwalters@0 22
tomwalters@0 23 fundamental=f0;
tomwalters@0 24 fcs=nr_harm*f0;
tomwalters@0 25 bandwidth=(nr_comps-1)*f0;
tomwalters@0 26 s=sprintf('sig=genharmonics(s1,''fundamental'',''%f'',''filterprop'',[%f 1 %f 1]);',fundamental,fcs,bandwidth);
tomwalters@0 27 eval(s);
tomwalters@0 28
tomwalters@0 29 sig=scaletomaxvalue(sig,1);
tomwalters@0 30 sig=RampAmplitude(sig,0.01); % baue eine Rampe
tomwalters@0 31
tomwalters@0 32 sig=setname(sig,sprintf('Fundamental:%dHz',round(f0)));
tomwalters@0 33 res=sig;