Mercurial > hg > aimmat
annotate aim-mat/tools/genton.m @ 4:537f939baef0 tip
various bug fixes and changed copyright message
author | Stefan Bleeck <bleeck@gmail.com> |
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date | Tue, 16 Aug 2011 14:37:17 +0100 |
parents | 20ada0af3d7d |
children |
rev | line source |
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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; |