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Using the sound function in Matlab, we are able to create a song using sine waves with specific frequencies. Each note has certain frequency that corresponds to it and through sine waves and putting it into the sound function we are able to create a song.
 
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delta = 1/8192;<br />
 
delta = 1/8192;<br />

Revision as of 22:58, 2 December 2018

Using the sound function in Matlab, we are able to create a song using sine waves with specific frequencies. Each note has certain frequency that corresponds to it and through sine waves and putting it into the sound function we are able to create a song. delta = 1/8192;
t1 = 0:delta:1/2;
t2 = 0:delta:1;
t3 = 0:delta:1/3;
t4 = 0:delta:1/4;
t5 = 0:delta:3/4;
tf = 0:delta:2;

A5 = sin(2*pi*440*t1);
C5 = sin(2*pi*523*t1);
D5 = sin(2*pi*587*t1);
E5 = sin(2*pi*659*t1);
G5 = sin(2*pi*784*t1);

G52 = sin(2*pi*784*t2);
C62 = sin(2*pi*1047*t2);
B52 = sin(2*pi*494*t2);
E52 = sin(2*pi*659*t2);
C52 = sin(2*pi*523*t2);
B52 = sin(2*pi*494*t2);
E62 = sin(2*pi*1319*t2);
D62 = sin(2*pi*1175*t2);
B62 = sin(2*pi*988*t2);
F62 = sin(2*pi*1397*t2);
G62 = sin(2*pi*1568*t2);

FS = sin(2*pi*739.989*t1);
FS6 = sin(2*pi*1479.978*t1);

C63 = sin(2*pi*1047*t3);
D63 = sin(2*pi*1175*t3);
E63 = sin(2*pi*1319*t3);
G53 = sin(2*pi*784*t3);
A63 = sin(2*pi*880*t3);
E53 = sin(2*pi*659*t3);
B53 = sin(2*pi*494*t3);
B63 = sin(2*pi*988*t3);
F63 = sin(2*pi*1397*t3);
G63 = sin(2*pi*1568*t3);
C53 = sin(2*pi*523*t3);

G54 = sin(2*pi*784*t4);
E54 = sin(2*pi*659*t4);
E64 = sin(2*pi*1319*t4);
D64 = sin(2*pi*1175*t4);
B64 = sin(2*pi*988*t4);
C64 = sin(2*pi*1047*t4);
G64 = sin(2*pi*1568*t4);
F64 = sin(2*pi*1397*t4);
A64 = sin(2*pi*880*t4);
A54 = sin(2*pi*440*t4);
B54 = sin(2*pi*494*t4);

C55 = sin(2*pi*523*t5);
C65 = sin(2*pi*1047*t5);
E55 = sin(2*pi*659*t5);
C6f = sin(2*pi*1047*tf);

A6 = sin(2*pi*880*t1);
B6 = sin(2*pi*988*t1);
C6 = sin(2*pi*1047*t1);
D6 = sin(2*pi*1175*t1);
E6 = sin(2*pi*1319*t1);
F6 = sin(2*pi*1397*t1);
G6 = sin(2*pi*1568*t1);
p = sin(2*pi*1*t1);

sound([G53,E54,C52,E5,G5,C62,p,E63, ...

   D64,C62,E5,FS,G52,p,G53,G53,E62, ...
D63,C6,B62,p,A63,B64,C62,C6,G5,E5, ...
C52,p,E5,G53,C52,E5,G5,C62,p,E6, ...
D63,C62,E5,FS,G52,p,G5,G53,E62,D6, ...
C6,B62,p,A6,B63,C62,C6,G5,E5,C5,p, ...
E64,E64,E62,F6,G6,G62,p,F64,E64,D62, ...
E6,F6,F62,p,F6,E62,D64,C6,B62,p,A64, ...
B64,C62,E5,FS,G52,p,G5,C6,C6,C64, ...
B64,A6,A6,A6,D6,F63,E6,D63,C62,B6, ...
p,G53,G53,C62,D63,E63,F63,G62,p,C63, ...
D63,E62,F6,D6,C6f]);

Alumni Liaison

has a message for current ECE438 students.

Sean Hu, ECE PhD 2009