Latest revision as of 09:03, 27 August 2010

HW1, ECE301, Prof. Boutin

In this homework assignment, we were asked to write a Matlab code to play the "Hail Purdue" song with different speeds and pitch.

% Shweta Saxena
% ECE 301
% Hail Purdue Chorus

clc;

A=220;

B=247;

C=261.94;

Db=277;

D=294;

E=329.77;

F=349.13;

Gb=370;

G=392;

delta=0.0005;

stop=0.4;

notes=[A,B,C,Db,D,E,Gb,gB,G,G,D,E,F,Gb];

t=0:delta:stop;

for i=length(notes)

   x=sin(2*pi*t*notes(i));

sound(x,i/delta); end

pause(4);

% to play the song twice as fast for T=1:length(notes);

   t=0:delta:.5*lenght(notes(T));
   Y=sin(2*pi*t*notes(T));
   sound(Y,1/delta);

end

pause(4); % to play the song with double frequency for T=1:length(notes)

   t=0:delta:length(notes(T));
   Z=(sin(2*2*pi*t*notes(T))
   sound(Z,1/delta)

end

@@ Line 1: / Line 1: @@
-% Shweta Saxena
+=[[Homework_1_ECE301Fall2008mboutin|HW1]], [[ECE301]], Prof. [[user:mboutin|Boutin]]=
-% ECE 301
+In this homework assignment, we were asked to write a Matlab code to play the "Hail Purdue" song with different speeds and pitch.
-%Registration  number: 00224-61047
-% Hail Purdue Chorus
+----
+ % Shweta Saxena
+ % ECE 301
+  % Hail Purdue Chorus
 clc;
@@ Line 25: / Line 28: @@
 delta=0.0005;
 stop=0.4;
 notes=[A,B,C,Db,D,E,Gb,gB,G,G,D,E,F,Gb];
 t=0:delta:stop;
 for i=length(notes)
      x=sin(2*pi*t*notes(i));
@@ Line 34: / Line 41: @@
 pause(4);
 % to play the song twice as fast
 for T=1:length(notes);
@@ Line 41: / Line 50: @@
 end
-pause(4)
+pause(4);
 % to play the song with double frequency
 for T=1:length(notes)