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%Daniel Sabo
+
%Daniel Sabo<br>
%ECE 301  
+
%ECE 301<br>
%HW 1  
+
%HW 1<br>
  
%Part 1
+
%Part 1<br>
  
delta = .00005;  
+
delta = .00005;<br>
  
bps = 112/60;  
+
bps = 112/60;<br>
  
whole = 0:delta:bps;  
+
whole = 0:delta:bps;<br>
half = 0:delta:bps/2;  
+
half = 0:delta:bps/2;<br>
quarter = 0:delta:bps/4;  
+
quarter = 0:delta:bps/4;<br>
eighth = 0:delta:bps/8;  
+
eighth = 0:delta:bps/8;<br>
dotted_q = 0:delta:bps*.375;  
+
dotted_q = 0:delta:bps*.375;<br>
  
G = 391.995;  
+
G = 391.995;<br>
Bf = 466.164;  
+
Bf = 466.164;<br>
C = 523.251;  
+
C = 523.251;<br>
Df = 554.365;  
+
Df = 554.365;<br>
  
note_G = sin(2*pi*G*quarter);  
+
note_G = sin(2*pi*G*quarter);<br>
note_Bf = sin(2*pi*Bf*quarter);  
+
note_Bf = sin(2*pi*Bf*quarter);<br>
note_C_dotted = sin(2*pi*C*dotted_q);  
+
note_C_dotted = sin(2*pi*C*dotted_q);<br>
note_C_half = sin(2*pi*C*half);  
+
note_C_half = sin(2*pi*C*half);<br>
note_Df = sin(2*pi*Df*eigth);  
+
note_Df = sin(2*pi*Df*eigth);<br>
  
normal = [note_G,note_Bf,note_C_dotted,note_G,note_Bf,note_Df,note_C_half,note_G,note_Bf,note_C_dotted,note_Bf,note_G];
+
normal = [note_G,note_Bf,note_C_dotted,note_G,note_Bf,note_Df,note_C_half,note_G,note_Bf,note_C_dotted,note_Bf,note_G];<br>
 
        
 
        
bps = bps/2;  
+
bps = bps/2;<br>
  
whole = 0:delta:bps;  
+
whole = 0:delta:bps;<br>
half = 0:delta:bps/2;  
+
half = 0:delta:bps/2;<br>
quarter = 0:delta:bps/4;  
+
quarter = 0:delta:bps/4;<br>
eigth = 0:delta:bps/8;  
+
eigth = 0:delta:bps/8;<br>
dotted_q = 0:delta:bps*.375;  
+
dotted_q = 0:delta:bps*.375;<br>
  
note_G = sin(2*pi*G*quarter);  
+
note_G = sin(2*pi*G*quarter);<br>
note_Bf = sin(2*pi*Bf*quarter);  
+
note_Bf = sin(2*pi*Bf*quarter);<br>
note_C_dotted = sin(2*pi*C*dotted_q);  
+
note_C_dotted = sin(2*pi*C*dotted_q);<br>
note_C_half = sin(2*pi*C*half);  
+
note_C_half = sin(2*pi*C*half);<br>
note_Df = sin(2*pi*Df*eigth);  
+
note_Df = sin(2*pi*Df*eigth);<br>
  
faster = [note_G,note_Bf,note_C_dotted,note_G, note_Bf,note_Df,note_C_half,note_G,note_Bf,note_C_dotted,note_Bf,note_G];
+
faster = [note_G,note_Bf,note_C_dotted,note_G, note_Bf,note_Df,note_C_half,note_G,note_Bf,note_C_dotted,note_Bf,note_G];<br>
  
whole = 0:delta:bps;  
+
whole = 0:delta:bps;<br>
half = 0:delta:bps/2;  
+
half = 0:delta:bps/2;<br>
quarter = 0:delta:bps/4;  
+
quarter = 0:delta:bps/4;<br>
eigth = 0:delta:bps/8;  
+
eigth = 0:delta:bps/8;<br>
dotted_q = 0:delta:bps*.375;  
+
dotted_q = 0:delta:bps*.375;<br>
  
G = 2*G; Bf = 2*Bf; C = 2*C; Df = 2*Df;  
+
G = 2*G;<br>
 +
Bf = 2*Bf;<br>
 +
C = 2*C;<br>
 +
Df = 2*Df;<br>
  
note_G = sin(2*pi*G*quarter);  
+
note_G = sin(2*pi*G*quarter);<br>
note_Bf = sin(2*pi*Bf*quarter);  
+
note_Bf = sin(2*pi*Bf*quarter);<br>
note_C_dotted = sin(2*pi*C*dotted_q);
+
note_C_dotted = sin(2*pi*C*dotted_q);<br>
note_C_half = sin(2*pi*C*half);  
+
note_C_half = sin(2*pi*C*half);<br>
note_Df = sin(2*pi*Df*eigth);  
+
note_Df = sin(2*pi*Df*eigth);<br>
  
higher = [note_G,note_Bf,note_C_dotted,note_G,note_Bf,note_Df,note_C_half,note_G,note_Bf,note_C_dotted,note_Bf,note_G];
+
higher = [note_G,note_Bf,note_C_dotted,note_G,note_Bf,note_Df,note_C_half,note_G,note_Bf,note_C_dotted,note_Bf,note_G];<br>
 
    
 
    
wavwrite(normal, 1/delta,'Normal');  
+
wavwrite(normal, 1/delta,'Normal');<br>
wavwrite(faster, 1/delta,'Twice_Speed');
+
wavwrite(faster, 1/delta,'Twice_Speed');<br>
wavwrite(higher, 1/delta,'Higher_Pitch');  
+
wavwrite(higher, 1/delta,'Higher_Pitch');<br>
  
%Part 2  
+
%Part 2<br>
[beatles, fs, bits] = wavread('Beatles.wav');  
+
[beatles, fs, bits] = wavread('Beatles.wav'); <br>
sound(beatles, fs, bits);  
+
sound(beatles, fs, bits);<br>
reverse = flipud(beatles);  
+
reverse = flipud(beatles);<br>
sound(reverse,fs);  
+
sound(reverse,fs);<br>
wavwrite(reverse,fs,'Beatles_Reverse');
+
wavwrite(reverse,fs,'Beatles_Reverse');<br>
 +
 
 +
%I hear "Turn me on Desmond". Who Desmond is I have no idea.

Revision as of 11:59, 14 January 2011

%Daniel Sabo
%ECE 301
%HW 1

%Part 1

delta = .00005;

bps = 112/60;

whole = 0:delta:bps;
half = 0:delta:bps/2;
quarter = 0:delta:bps/4;
eighth = 0:delta:bps/8;
dotted_q = 0:delta:bps*.375;

G = 391.995;
Bf = 466.164;
C = 523.251;
Df = 554.365;

note_G = sin(2*pi*G*quarter);
note_Bf = sin(2*pi*Bf*quarter);
note_C_dotted = sin(2*pi*C*dotted_q);
note_C_half = sin(2*pi*C*half);
note_Df = sin(2*pi*Df*eigth);

normal = [note_G,note_Bf,note_C_dotted,note_G,note_Bf,note_Df,note_C_half,note_G,note_Bf,note_C_dotted,note_Bf,note_G];

bps = bps/2;

whole = 0:delta:bps;
half = 0:delta:bps/2;
quarter = 0:delta:bps/4;
eigth = 0:delta:bps/8;
dotted_q = 0:delta:bps*.375;

note_G = sin(2*pi*G*quarter);
note_Bf = sin(2*pi*Bf*quarter);
note_C_dotted = sin(2*pi*C*dotted_q);
note_C_half = sin(2*pi*C*half);
note_Df = sin(2*pi*Df*eigth);

faster = [note_G,note_Bf,note_C_dotted,note_G, note_Bf,note_Df,note_C_half,note_G,note_Bf,note_C_dotted,note_Bf,note_G];

whole = 0:delta:bps;
half = 0:delta:bps/2;
quarter = 0:delta:bps/4;
eigth = 0:delta:bps/8;
dotted_q = 0:delta:bps*.375;

G = 2*G;
Bf = 2*Bf;
C = 2*C;
Df = 2*Df;

note_G = sin(2*pi*G*quarter);
note_Bf = sin(2*pi*Bf*quarter);
note_C_dotted = sin(2*pi*C*dotted_q);
note_C_half = sin(2*pi*C*half);
note_Df = sin(2*pi*Df*eigth);

higher = [note_G,note_Bf,note_C_dotted,note_G,note_Bf,note_Df,note_C_half,note_G,note_Bf,note_C_dotted,note_Bf,note_G];

wavwrite(normal, 1/delta,'Normal');
wavwrite(faster, 1/delta,'Twice_Speed');
wavwrite(higher, 1/delta,'Higher_Pitch');

%Part 2
[beatles, fs, bits] = wavread('Beatles.wav');
sound(beatles, fs, bits);
reverse = flipud(beatles);
sound(reverse,fs);
wavwrite(reverse,fs,'Beatles_Reverse');

%I hear "Turn me on Desmond". Who Desmond is I have no idea.

Alumni Liaison

Questions/answers with a recent ECE grad

Ryne Rayburn