```Date: Dec 12, 2012 11:21 PM
Author: Tanner Handa
Subject: Re: Matlab

"Tanner Handa" <baseballkid137@gmail.com> wrote in message <kabiok\$j8\$1@newscl01ah.mathworks.com>...> 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.> > > > > > bartekltg> > Im 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. Can you please help me out its due tomorrow.
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