```Date: Dec 12, 2012 10:41 PM
Author: Tanner Handa
Subject: Re: Matlab

bartekltg <bartekltg@gmail.com> wrote in message <kabhvn\$qq8\$1@node1.news.atman.pl>...> W dniu 2012-12-13 03:52, Tanner Handa pisze:> > bartekltg <bartekltg@gmail.com> wrote in message> > > so how would I be able to make my happy birthday song sound better to> > make the sounds shorter??> > This is what I have and now when i do t = linspace(0, 0.5, 0.5 *> > freqsamp); it make the frequencies really high pitched.> > I don't see difference in tone between> > t = linspace(0,1,freqsamp);> a = (sin(1.5*pi*220*t) + sin(1.5*pi*440*t));> > and> > t2= linspace(0,0.5,freqsamp/2);> a2 = (sin(1.5*pi*220*t2) + sin(1.5*pi*440*t2));> > > sound(a, freqsamp),sound(a2, freqsamp)> > > > > clear> > freqsamp = 10000;> > t = linspace(0,1,freqsamp);> > Add 'note length'> > nl = 0.4;> > t = linspace(0,nl,nl*freqsamp);> > > > a = sin(1.5*pi*220*t) + sin(1.5*pi*440*t);> > b = sin(2*pi*220*t) + sin(2*pi*440*t);> > c = sin(2.5*pi*220*t) + sin(2.5*pi*440*t); d = sin(3*pi*220*t) +> > sin(3*pi*440*t); e = sin(4*pi*220*t) + sin(4*pi*440*t);> > f = sin(4.5*pi*220*t) + sin(4.5*pi*440*t);> > g = (sin(5*pi*220*t) + sin(5*pi*440*t))/1.5; h = sin(5.5*pi*220*t) +> > sin(5.5*pi*440*t);> > i = sin(6*pi*220*t) + sin(6*pi*440*t);> > j = sin(6.5*pi*220*t) + sin(6.5*pi*440*t);> > OK, I think.> But you can create function to do this:> > a= foo (t, 1.5);> b= foo (t, 2) ;> ...> g= foo(t,5)/1.5;> ...> > > > sound(a, freqsamp) %HA      %3> > sound(a, freqsamp) %ppy     %3> > And there is very long pause between sounds.> You want to play whole song.> > sound ( [a,a,b,a,f,e,a,a,b,a,g,f], freqsamp );> > But now you haven't any pause. Create short 'pause'> (vector of silent;) I mean zeros) and add between every note.> Better: add this to function foo.> > > bartekltgIm not sure what foo is doing. This isn't working when I try to program this in MATLAB. I believe I understand everything else though.
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